B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
An electric brake system (100) for braking a vehicle comprises a central transmission gear (3), a first engagement member (7) configured to rotate with the central transmission gear (3) around the axis (A), and a second engagement member (11) configured to selectively engage or disengage the first engagement member (7) depending on a position of the second engagement member (11). A parking brake actuator (15) is configured to move the second engagement member (11) between a service brake position (S) and a parking brake position (P). In the service brake position (S) the engagement members (7, 11) are mechanically disengaged, and the central transmission gear (3) is free to rotate independent of the second engagement member (11). In the parking brake position (P) the engagement members (7, 11) are mechanically engaged to prevent the central transmission gear (3) from rotating in the brake deactivating direction.
B60T 1/00 - Arrangements of braking elements, i.e. of those parts where braking effect occurs
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
F16D 55/226 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially
F16D 63/00 - Brakes not otherwise provided for; Brakes combining more than one of the types of groups
F16D 65/18 - Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together
The reducer includes a screw, threaded internal rollers, and a tapped internal casing. The internal rollers each being in mesh firstly with the screw and secondly with the internal casing by means of at least one thread of opposite hand to a thread of the screw and of the same hand as a thread of the internal casing. The reducer further includes a tapped external casing and external rollers each in mesh firstly with the internal casing and secondly with the external casing. The external rollers are provided with at least one thread of opposite hand to a thread of the internal casing and of the same hand as a thread of the external casing.
B60L 7/00 - Electrodynamic brake systems for vehicles in general
F16H 25/22 - Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
F16D 65/18 - Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together
The vehicle brake actuator which includes a screw, a tapped inner casing in mesh with the screw by means of an irreversible connection, an electric motor controlling movement of the screw in relation to the inner casing or of the inner casing in relation to the screw so that said movement actuates a braking element, threaded inner rollers, the inner rollers each being in mesh firstly with the screw and secondly with the inner casing by means of at least one thread, a tapped outer casing, and outer rollers each in mesh firstly with the inner casing and secondly with the outer casing, the outer rollers having at least one thread oriented in the opposite direction to a thread of the inner casing and in the same direction as a thread of the outer casing.
F16D 65/18 - Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together
F16H 25/22 - Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
B60T 13/00 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
The invention relates to a fixed brake caliper (2, 2') comprising at least one pair (11) of brake pistons (114, 124) mounted in two half-housings (21, 22) joined together. According to the invention, said caliper comprises: a drive mechanism including a motorisation element (6) which rotatably drives a screw-nut mechanism coaxially arranged in relation to the first piston, in order to move it according to the axis thereof; and a mechanical transmission mechanism split between the two half-housings (21, 22), arranged so as to cooperate with said drive mechanism so as to rotatably drive a second screw-nut mechanism coaxially arranged in relation to the second piston, in order to generate the movement of said second piston in the opposite direction. Said transmission mechanism comprises a shaft (312, 322) parallel to the pistons, which couples together two pinions (311, 321), each engaging with the screw (112, 122) of one of the pistons.
F16D 55/228 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a separate actuating member for each side
6.
SLIDING GUIDE OR "SLIDER" FOR A DISC-BRAKE BRAKE LINING, AND ASSOCIATED METHODS OF PRODUCTION AND ASSEMBLY
A sliding guide, or slider, for a disc-brake brake lining, comprising at least one weight-bearing portion intended to be inserted between an abutment surface of a brake lining and a transverse weight-bearing surface of a rotationally fixed member inside a disc brake. According to the invention, this guide consists of a metallic plate that comprises two separate stacked layers in at least one weight-bearing portion. The second layer is formed, for example, by folding the plate on itself, or by at least one layer of a shock-absorbing coating, or both. The invention also relates to a method for producing such a sliding guide, a vehicle disc brake having such a sliding guide that is slidably mounted or stationary, as well as a method for assembling such a brake.
The invention relates to a disc brake calliper, in particular for floating installation, for an automatic parking brake having a mechanical actuator with hydraulic assistance. Said calliper includes a first and a second arm which are rigidly interconnected by an arch in order to clamp the brake disc therebetween. According to the invention, the calliper includes: a first single-part portion, referred to as an added cylinder, forming the first arm and supporting the link with the vehicle, and a second single-part portion, referred to as an added arch, forming the calliper arch and the second arm, which is assembled rigidly on said first portion by mechanical assembly means. The added cylinder is typically made of aluminium, and the added arch is typically made of cast iron. According to one specific feature, the calliper includes a recess arranged so as to form the mechanical chamber of the parking brake actuator, formed in a single piece with the added cylinder. The invention also relates to a method for industrialisation and to an assembly method, including the definition and the assembly of a plurality of models of added arches on a single added cylinder model, and vice versa.
F16D 55/2265 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially the axial movement being guided by one or more pins
F16D 121/04 - Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
A motor vehicle disc brake includes a cover with two tiered bores of parallel axes, each bore includes at least one first section; a caliper slidably mounted axially with respect to the cover by two pins of parallel axes rigidly connected to the caliper and each including at least one guiding section which is slidably mounted, with a radial clearance, in the tiered bore of the cover; and brake, wherein a cylindrical outer guiding surface of the sliding guiding section of each pin includes at least two opposed axial portions, extending angularly about the axis of each pin according to an angle less than 90°, a median axial plane of the two portions being parallel with a plane passing through the axes of the two pins.
F16D 55/2265 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially the axial movement being guided by one or more pins
F16D 55/227 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially the axial movement being guided by one or more pins by two pins
A motor vehicle drum brake (10) includes: two braking segments (18A, 18B); an anchoring element (28) including two bearing surfaces (32A, 32B) of two second ends (24) of the braking segments (18A, 18B); a wheel cylinder (34) which, in a first “simplex” operating mode, is suitable for transversally separating the adjacent first ends (22) of the segments (18A, 18B); the anchoring element (28) including: a fixed body (42) wherein two sliding pistons (50A, 50B) each carry a bearing surface (32A, 32B); and elements (44) for separating the pistons (50A, 50B) between an anchoring position wherein they abut against the body (42), and a sliding position wherein the pistons (32A, 32B) are separated to allow the sliding thereof during operation in so-called “servo-dual” mode.
F16D 51/24 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots fluid actuated
F16D 51/50 - Self-tightening brakes with pivoted brake-shoes with two linked or directly-interacting brake-shoes mechanically actuated
A motor vehicle disc brake including a cover (12) including two bores, a sliding caliper, two pins (16) for guiding the caliper, each whereof includes a guiding section (24) which is slidably mounted in a section (28) of a bore wherein each pin (16), engaging with the wall of the bore (29), defines an axial channel (65), and each pin (16) receives a tubular sealing cap wherein an inner wall includes at least one radial groove or a radial channel communicating with the axial channel (65) defined by the associated pin.
F16D 55/2265 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially the axial movement being guided by one or more pins
F16D 55/227 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially the axial movement being guided by one or more pins by two pins
11.
Drum brake provided with a member for holding a brake segment
The vehicle drum brake comprises a plate, at least one segment comprising a core and a brake lining, a spring able to keep the core of the segment in an axially balanced position, means for prestressing the spring wherein said means for prestressing the spring include stop means limiting the ability of the core of the segment to move axially.
F16D 65/09 - Pivots or supporting members therefor
F16D 51/28 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes both extending in the same direction from their pivots mechanically actuated
12.
Return spring of a brake shoe including wear play compensation means, disk brake and replacement kit
A spring (48) includes successively a portion (50) for fixing the spring to the disk brake, a rigid branch (B2) connected to the fixing portion (50) by a bend (P1) plastically deformable about a first deformation axis (A1), another rigid branch (B3) connected to the aforementioned rigid branch (B2) by a second plastically deformable bend (P2), and a further rigid branch (B4) connected to the aforementioned rigid branch (B3) by a third plastically deformable bend (P3) that cooperates directly or indirectly with an associated portion of the brake shoe, each rigid branch (B2, B3, B4) being a strip that lies in a plane parallel to the first deformation axis (A1).
F16D 65/54 - Slack adjusters mechanical self-acting in one direction for adjusting excessive play by means of direct linear adjustment
F16D 65/097 - Resilient means interposed between pads and supporting members
F16D 55/225 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads
13.
Sliding caliper disk brake including a central return spring of an exterior brake shoe including wear play compensation means, spring and replacement kit
A sliding caliper disk brake (10) that includes an exterior brake shoe (18E) mounted to slide in the fixed support of the brake, wherein the disk brake includes a central exterior spring (48E) for returning the exterior brake shoe (18E) to its inactive position that is fixed to an associated central portion (63) of the exterior brake shoe (18E) and a front portion (50) of which is fixed axially to an associated central portion (58) of the fixed support (14). For returning it to its inactive position, the interior brake shoe is constrained to move axially with the brake piston.
F16D 65/54 - Slack adjusters mechanical self-acting in one direction for adjusting excessive play by means of direct linear adjustment
F16D 55/2265 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially the axial movement being guided by one or more pins
F16D 65/097 - Resilient means interposed between pads and supporting members
14.
Fixed caliper disk brake having stabilized brake pads, and related assembly and pad replacement methods
A fixed caliper brake includes a caliper housing that includes two opposing blocks. Each of the opposing blocks includes an axial recess, an axial surface for supporting a brake pad, and elements for mounting and axially and slidably guiding the brake pad. The elements include a pad spring that is attached to each related lug of the brake pad, and a steel lamellar element having a spring and being received in the related recess.
F16D 55/22 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
F16D 65/097 - Resilient means interposed between pads and supporting members
F16D 55/2265 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially the axial movement being guided by one or more pins
F16D 55/228 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a separate actuating member for each side
The vehicle brake actuator (10) comprises: - a screw (12), - a tapped internal casing (18) in mesh with the screw (12) by means of an irreversible connection, - an electric motor (M) commanding a movement of the screw (12) with respect to the internal casing (18) or of the internal casing with respect to the screw so that this movement actuates a brake element (E), - threaded internal rollers (14), the internal rollers (14) each being in mesh firstly with the screw (12) and secondly with the internal casing (18) by means of at least one thread (14A), - a tapped external casing (30), and - external rollers (28) each in mesh firstly with the internal casing (18) and secondly with the external casing (30), the external rollers (28) being provided with at least one thread (28A) of opposite hand to a thread (18A) of the internal casing (18) of the same hand as a thread (30A) of the external casing (30).
F16D 65/18 - Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
F16H 25/22 - Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
F16D 65/16 - Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
The reducer (10; 23; 34) comprises: - a screw (12), - threaded internal rollers (14), - a tapped internal casing (18). The internal rollers (14) each being in mesh firstly with the screw (12) and secondly with the internal casing (18) by means of at least one thread (14A) of opposite hand to a thread (12A) of the screw (12) and of the same hand as a thread (18A) of the internal casing. The reducer (10; 23; 34) further comprises: - a tapped external casing (30), - external rollers (28) each in mesh firstly with the internal casing (18) and secondly with the external casing (30). The external rollers (28) are provided with at least one thread (28A) of opposite hand to a thread (18A) of the internal casing (18) and of the same hand as a thread (30A) of the external casing (30).
F16H 25/22 - Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
F16D 65/18 - Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together
The invention proposes a planet carrier (50) for a planetary gear train of a reducing mechanism of an electromechanical actuator for actuating a parking brake of a motor vehicle, which carries planet pinions (52), each of which is accommodated between two parallel support plates (56, 58) belonging to a reinforcement (54) of the planet carrier and each of which is mounted in rotation on the planet carrier (50) about a rotation guide pin (74) that is mounted between the two support plates (56, 58) to which it is linked by the two opposing axial ends thereof, characterized in that each rotation guide pin (74) is a tubular pin.
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
F16H 57/08 - General details of gearing of gearings with members having orbital motion
F16D 65/18 - Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together
An electromechanical actuator includes an actuator housing that contains an electric motor, a flexible printed circuit board placed on the motor and that includes an electrical connection part extending in a plane (PR), referred to as the connection plane, that is generally transverse to the axis of rotation of the shaft of the motor and that has at least two electrical connection holes, and an electrical connector including at least two internal conductive pins, each of which has a free rear electrical-connection end section, and in which, in the assembled position of the electric motor in the housing, each electrical connection section extends axially through a related connection hole of the electrical connection part wherein, before assembly of the motor in the housing, the electrical connection part extends in a plane (PM), referred to as the assembly plane, that forms an acute angle with the connection plane.
B60L 7/00 - Electrodynamic brake systems for vehicles in general
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
F16D 55/225 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads
H02K 11/00 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
F16D 65/18 - Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together
01 - Chemical and biological materials for industrial, scientific and agricultural use
12 - Land, air and water vehicles; parts of land vehicles
37 - Construction and mining; installation and repair services
Goods & Services
Chemical products for use in industry; brake fluids; braking
circuit fluids; fluids for hydraulic devices; fluids for
hydraulic circuits; coolants for vehicle engines. Vehicle brakes; brake force amplifiers; electronic
handbrakes; handbrakes and active anti-start devices;
electronic devices for braking power proportioning; brake
calipers; brake segments, cables, drums, rods, linings and
shoes; brake disks; brake pads; all these goods not intended
for bicycles. Installation, repair, servicing and maintenance of motor
vehicles and components thereof, other than bicycles, parts
and accessories thereof; information relating to
installation, repair, servicing and maintenance of motor
vehicles and components thereof, other than bicycles, parts
and accessories thereof.
20.
DRUM BRAKE DEVICE SUITABLE FOR INCLUDING A PARKING BRAKE THAT IS CONVENTIONAL OR THAT OPERATES IN DUO SERVO MODE
The invention relates to a drum brake device of a road vehicle, in particular for a motor vehicle. Said drum brake can operate as a service brake and as a parking or emergency brake. In service brake mode, a first actuator separates two movable ends of the brake shoes mounted on a plate that can rotate relative to the drum, while the opposite ends thereof both abut against an anchor element, performing a "simplex" type operation. According to the invention, the mechanism of said drum brake is mounted on a plate provided such as to be able to receive, as required: a stop plate which can be used as an anchor element for the simplex mode, in service brake mode by actuating the first actuator and in parking brake mode by pulling a lever actuated by a cable; or a second actuator separates the abutment ends of the brake shoes from one another while the movable ends thereof engage one another by means of a free element inserted relative to the plate, performing a "duo servo" type operation. The invention also relates to a vehicle including such a drum brake, and to a method for assembling such a drum brake including a step of selecting between mounting a basic stop plate or a second actuator.
B60T 13/02 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with mechanical assistance or drive
F16D 51/22 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots mechanically actuated
F16D 51/24 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots fluid actuated
F16D 65/09 - Pivots or supporting members therefor
F16D 65/46 - Slack adjusters mechanical non-automatic with screw-thread and nut
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
21.
DRUM BRAKE DEVICE INCLUDING A PARKING BRAKE OPERATING IN DUO SERVO MODE, ASSOCIATED VEHICLE AND ASSEMBLY METHODS
The invention relates to a "dual-mode" drum brake for a vehicle, which operates as a service brake in simplex mode and as a parking brake in duo servo mode. The invention also relates to a vehicle including such a drum brake, and to a method for assembling such a drum brake. When operating as a service brake, a first actuator separates two movable ends of the brake shoes while the opposite ends thereof both abut with the housing of a second actuator. When operating as a parking brake, said second actuator separates the two abutting ends from one another, while the movable ends engage one another via a floating inserted element, for example a wear-adjusting rod. All braking or holding torque is transmitted to the plate by the abutment end of a single brake shoe, by engaging, on one side, the housing of the second actuator. The second actuator uses two pistons, one of which is a "spring package", moved by a screw-and-nut system driven by a pre-assembled sub-assembly of gears with axes that are all parallel to the movement of the pistons. The system is driven, on the other side of the plate, by an electric motor-reducer with double planetary gearset sharing a single ring gear.
B60T 13/02 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with mechanical assistance or drive
B60T 13/12 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
F16D 51/22 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots mechanically actuated
F16D 51/24 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots fluid actuated
F16D 51/50 - Self-tightening brakes with pivoted brake-shoes with two linked or directly-interacting brake-shoes mechanically actuated
F16D 51/62 - Self-tightening brakes with pivoted brake-shoes with wedging action of a brake-shoe, e.g. the shoe entering as a wedge between the brake-drum and a stationary part mechanically actuated
F16D 51/66 - Self-tightening brakes with pivoted brake-shoes an actuated brake-shoe being carried along and thereby engaging a member for actuating another brake-shoe
F16D 65/09 - Pivots or supporting members therefor
F16D 65/46 - Slack adjusters mechanical non-automatic with screw-thread and nut
F16D 51/68 - Self-tightening brakes with pivoted brake-shoes an actuated brake-shoe being carried along and thereby engaging a member for actuating another brake-shoe mechanically actuated
22.
MOTOR-REDUCER WITH ELECTRIC MOTOR FOR DRUM BRAKE ACTUATOR
The invention relates to a motor-reducer (5) driving an actuator provided for separating brake shoes of a drum brake for a vehicle, as well as a drum brake and a vehicle including said motor-reducer. Said motor-reducer includes an electric motor (52) driving an output shaft (557) via a planetary reduction mechanism (55), which are contained in an elongate motor-reducer casing (51). According to the invention, the electric motor (52) is positioned longitudinally inside a recess (25) which has shape, size and motor attachment features suitable for receiving any of a plurality of models of electric motors having different diameters. The invention also relates to a method for assembling such a drum brake including a step of selecting an electric motor and a cylindrical fitting shell which matches the motor. Specifically, said motor-reducer drives an actuator mounted in a drum brake in order to provide operation in "duo servo" mode. Said drum brake can be built into a "drum in hat" composite brake. The drum brake can also form a dual-mode drum brake, operating in "simplex" mode as a service brake and in "duo servo" mode as a parking brake.
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
F16D 51/00 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
F16D 51/22 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots mechanically actuated
F16D 51/50 - Self-tightening brakes with pivoted brake-shoes with two linked or directly-interacting brake-shoes mechanically actuated
F16D 65/16 - Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
23.
MOTOR-REDUCER WITH PLANETARY GEARSET, DRUM BRAKE, DISC BRAKE, AND BRAKING DEVICE PROVIDED WITH SAME
The invention relates to a motor-reducer, in particular for powering an actuator of a disc or drum brake of a motor vehicle, for example in the context of a "dual-mode" drum brake. The invention also relates to a drum brake and to a braking device provided with same. The motor-reducer includes an electric motor, a reduction gear and a rotary output coupled with the electric motor via the reduction gear. Typically, the motor-reducer also includes a housing which contains the motor. The reduction gear has a planetary gearset and includes at least one internal gear ring which is secured to the housing and integrally formed with the housing.
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
F16D 51/22 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots mechanically actuated
F16D 51/50 - Self-tightening brakes with pivoted brake-shoes with two linked or directly-interacting brake-shoes mechanically actuated
F16D 65/22 - Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for pressing members apart
24.
ACTUATOR WITH NON-REVERSIBLE SCREW-AND-NUT SYSTEM, DRUM BRAKE AND BRAKING DEVICE PROVIDED WITH SAME
The invention relates to an actuator with a screw-and-nut system, in particular for actuating the brake shoes of a drum brake of a motor vehicle. The invention also relates to a drum brake and a braking device provided with such an actuator. The linear actuator includes a transmission sub-assembly driven by a rotary motor and driving a linear actuator assembly. Said assembly includes a rotary element and a second element engaging with one another by means of respective male and female threads in order to form a screw-and-nut system. The actuator is arranged such as to press the brake shoes selectively against the drum of the brake, separating the first ends of the brake shoes from one another when the rotary element is rotated via the transmission sub-assembly. The helix angle β of the threads of the screw-and-nut system is smaller than the angle of friction φ, with a deviation of no more than 3% of the value of the angle of friction, for example β = 0.98 x φ.
F16D 51/22 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots mechanically actuated
F16D 51/50 - Self-tightening brakes with pivoted brake-shoes with two linked or directly-interacting brake-shoes mechanically actuated
F16D 65/56 - Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
25.
ACTUATOR WITH GEARED TRANSMISSION SUB-ASSEMBLY, AND DRUM BRAKE AND BRAKING DEVICE PROVIDED WITH SAME
The invention relates to an actuator for brake shoes inside a drum brake of a motor vehicle, in particular with an electric motor. The invention also relates to an assembly method, as well as to a drum brake and a braking device provided with such an actuator. The actuator includes a linear actuator assembly including a screw-and-nut system and is capable of separating the first ends of the brake shoes. Said screw-and-nut system is driven by a transmission gear which in turn is driven by an electric motor. Said transmission gear is made in the form of a pre-assembled sub-assembly, referred to as gear cartridge, and includes external gears, all the axes of which are parallel to the movement direction of the elements of the linear actuator assembly.
B60T 13/02 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with mechanical assistance or drive
B60T 13/12 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
F16D 51/22 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots mechanically actuated
F16D 65/22 - Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for pressing members apart
26.
ACTUATOR DRIVEN BY A GEAR HAVING AN AXIAL GUIDE RAIL, AND DRUM BRAKE AND BRAKING DEVICE PROVIDED WITH SAME
The invention relates to an actuator for brake shoes inside a drum brake of a motor vehicle, in particular with an electric motor. The invention also relates to a brake provided with such an actuator, for example a "drum-in-hat" composite brake or a dual-mode brake combining a service brake in "simplex" mode and a parking brake in "duo-servo" mode. The actuator includes a linear actuator assembly including a screw-and-nut system and is capable of separating the ends of the brake shoes. Said screw-and-nut system is driven by a transmission sub-assembly which in turn is driven by an electric motor. Said transmission sub-assembly rotates an element for actuating the linear actuation assembly using a guide rail connection. In particular, said actuator element is translatably movable in a single direction and rotatably fixed to a gear of the transmission sub-assembly.
B60T 13/02 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with mechanical assistance or drive
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
F16D 51/22 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots mechanically actuated
F16D 51/24 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots fluid actuated
F16D 51/50 - Self-tightening brakes with pivoted brake-shoes with two linked or directly-interacting brake-shoes mechanically actuated
F16D 51/62 - Self-tightening brakes with pivoted brake-shoes with wedging action of a brake-shoe, e.g. the shoe entering as a wedge between the brake-drum and a stationary part mechanically actuated
F16D 51/66 - Self-tightening brakes with pivoted brake-shoes an actuated brake-shoe being carried along and thereby engaging a member for actuating another brake-shoe
F16D 65/09 - Pivots or supporting members therefor
F16D 65/46 - Slack adjusters mechanical non-automatic with screw-thread and nut
F16D 51/68 - Self-tightening brakes with pivoted brake-shoes an actuated brake-shoe being carried along and thereby engaging a member for actuating another brake-shoe mechanically actuated
27.
DISK BRAKE COMPRISING A PARKING BRAKE HAVING HYDRAULIC ACTUATION
The invention relates to a hydraulic control disk brake comprising a hydraulic actuation parking brake, that comprises a brake caliper (12), a first piston (16), a piston rod (120), a wheel (120) for locking the piston rod (120), a transverse axial abutment plate (100), an intermediate cavity (IC), and a rear cover that is connected to a rear axial end (68) of an intermediate tubular body (63), in which a secondary hydraulic cavity (SHC) is formed. Said disk brake is characterized in that the transverse abutment plate (100) is generally disk-shaped and has a peripheral portion (101) that is mounted such as to be axially clamped between two portions facing the rear end of the tubular body (63) and the front end of the cover (74).
F16D 55/226 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially
F16D 65/56 - Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut
The invention relates to a disk brake that comprises a brake caliper (12), a first piston (16), a piston rod (120), a wheel (140) for locking the piston rod (120), and a transverse axial abutment plate (100). Said disk brake is characterized in that the brake comprises a secondary hydraulic cavity, a secondary piston (82) capable of engaging with the piston rod (120), and an automatic wear adjustment unit (43); in that the piston rod (120) comprises a locking section (126) that extends through a hole (112) of the transverse abutment plate (100), and the rotatably attached element, either an adjustment screw or adjustment nut, is rotatably connected to the piston rod (120); and in that the threading direction of the threaded section of the piston rod is the reverse of the threading direction of the wear adjustment screw.
F16D 55/226 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially
F16D 65/56 - Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut
The invention relates to a disk brake that comprises a piston, a piston rod (120), a wheel (140) for axially locking the piston rod (120), a motor for electrically rotating the locking wheel (140), and a transverse axial abutment plate (100). Said disk brake is characterized in that it comprises an automatic wear adjustment unit (44, 46), one of the two elements of which is non-rotatable. The piston rod (120) comprises a rotation lock section (126) that extends through a central hole (112) of the transverse abutment plate (100), and the non-rotatable element, either an adjustment screw or an adjustment nut, is rotatably connected to the piston rod (120).
F16D 55/226 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially
F16D 65/56 - Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut
The invention relates to a disk brake that comprises a caliper (12), a main piston that is slidably mounted in a main hydraulic cavity of the caliper, a piston rod (120), and a wheel (140) for axially locking the piston rod (120). Said disk brake is characterized in that the locking wheel (140) is rotated by an electric motor (166) via an irreversible mechanical transmission (176, 144) in such a way that the locking wheel (140) is kept rotationally stationary when an output shaft (168) of the electric motor (166) is not rotated.
F16D 55/226 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially
F16D 65/56 - Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut
The invention relates to a hydraulic control disk brake comprising a hydraulic actuation parking brake, which comprises a caliper (12), a main piston (16), a piston rod (120), a wheel (140) for locking the piston rod (120), and a transverse axial abutment plate (100) that is axially stationary and comprises a front transverse abutment surface (116). Said disk brake is characterized in that the piston rod (120) comprises a section (126) for rotationally locking the piston rod (120) that axially extends through a central hole (112) of the transverse abutment plate (100).
F16D 55/226 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially
F16D 65/56 - Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut
The invention relates to a brake that comprises a brake caliper (12), a main piston (16), and a piston rod (100) that is axially movable with the main piston (16), in relation to the housing (14), characterized in that said brake comprises: a secondary hydraulic cavity; and a secondary piston (82) that is slidably mounted into the secondary hydraulic cavity in which said secondary piston defines, axially toward the front, a secondary hydraulic chamber (24S) and is capable of engaging with the piston rod (120) such as to exert a secondary axial thrust force (SBF) on same, from the rear to the front, when the secondary hydraulic chamber (24S) is supplied with pressurized fluid.
F16D 55/226 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially
F16D 65/56 - Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut
The vehicle drum brake (10) comprises a plate (12), at least one segment comprising a core (16) and a brake lining (22), a spring (24) able to keep the core (18) of the segment (16) in an axially balanced position, means (28) for prestressing the spring (24) characterised in that said means (26) for prestressing the spring comprise stop means (32) limiting the ability of the core (18) of the segment (16) to move axially.
The invention relates to a drum brake (10) of a motor vehicle, which comprises: two brake shoes (18A, 18B); an anchoring element (28), comprising two surfaces (32A, 32B) for supporting two second ends (24) of the brake shoes (18A, 18B); a wheel cylinder (34) which, in a first "simplex" operating mode, is capable of transversely spreading apart the first adjacent ends (22) of the brake shoes (18A, 18B); characterized in that the anchoring element (28) comprises: a stationary body (42) in which the two sliding pistons (50A, 50B) each support a supporting surface (32A, 32B); the means (44) for spreading apart the pistons (50A, 50B) between an anchoring position in which they abut against the body (42), and a sliding position in which the pistons (32A, 32B) are spread apart in order to allow the connected sliding thereof during an operation in the so-called "duo servo" mode.
F16D 51/18 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes
F16D 51/48 - Self-tightening brakes with pivoted brake-shoes with two linked or directly-interacting brake-shoes
F16D 51/24 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots fluid actuated
F16D 51/50 - Self-tightening brakes with pivoted brake-shoes with two linked or directly-interacting brake-shoes mechanically actuated
The invention relates to an arrangement for blind assembling a brake cable (52) on a lever (46) for actuating a drum brake (20) of a motor vehicle, the arrangement comprising: an end piece (62) of the cable (52) having a retention surface (66); an actuation lever (46) comprising an axial passage opening (60) receiving the brake cable (52); characterized in that the passage opening (60) has a section greater than that of the retention surface (66) of the end piece (62), and in that the abutment element (68) threaded on the brake cable (52) comprises a rear surface (70) in abutment with the rim of the passage opening (60) and a front surface (72) abutting against the retention surface (66) of the end piece (62). The invention further relates to a method for assembling the brake cable (52).
F16D 51/22 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots mechanically actuated
F16D 65/22 - Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for pressing members apart
F16C 1/12 - Arrangements for transmitting movement to or from the flexible member
F16C 1/14 - Construction of the end-piece of the flexible member; Attachment thereof to the flexible member
F16D 125/62 - Fixing arrangements therefor, e.g. cable end attachments
36.
MOTOR VEHICLE DISC BRAKE HAVING REDUCED TRANSVERSE CLEARANCE BETWEEN PINS AND BORES
The invention relates to a motor vehicle disc brake having a carrier (12) which has two stepped bores with parallel axes, each one of which has at least one first section (28, 30), and a caliper (10) which is mounted so as to slide axially with respect to the carrier (12) by way of two pins (16, 18) with parallel axes (A, B) which are secured to the caliper (10) and each have at least one guide section (24, 26) which is mounted so as to slide, with radial clearance, in the stepped bore (29, 31) of the carrier (12), in which brake an external cylindrical guide surface of the section (24, 26) for guiding the sliding of each pin (16, 18) has at least two opposite axial portions (64) that extend angularly around the axis (A, B) of each pin (16, 18) at an angle of less than 90°, an axial midplane of these two portions (64) being parallel to a plane passing through the axes (A, B) of the two pins (16, 18).
F16D 55/2265 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially the axial movement being guided by one or more pins
F16D 55/227 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially the axial movement being guided by one or more pins by two pins
The invention relates to a motor vehicle disc brake having a carrier (12) which has two bores, a sliding caliper, and two guide pins (16) for guiding the caliper, each of which has a guide section (24) which is mounted so as to slide in a section (28) of a bore, characterized in that each pin (16), in cooperation with the wall of the bore (29), delimits an axial channel (65), and each pin (16) receives a tubular sealing cap, an inner wall of which has at least one radial groove or radial slot which communicates with the axial channel (65) delimited by the associated pin.
F16D 55/2265 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially the axial movement being guided by one or more pins
A mounting system for a brake pad in the housings of a disk brake yoke in which the brake pad comprises at its ends two mounting ears (10), each ear being mounted in a housing of a disk brake yoke. The mounting system comprises for each pad ear, a spring (5) of linear or lamella shape, intended to bear, on the one hand, below a lower face (12) of the ear and, on the other hand, on the lower face of the housing of the yoke so as to separate the lower face (12) of the ear from the lower face of the housing.
A mounting system for a brake pad in the housings of a disk brake yoke in which the brake pad comprises at its ends two mounting ears (10), each ear being mounted in a housing of a disk brake yoke. The mounting system comprises for each pad ear, a spring (5) of linear or lamella shape, intended to bear, on the one hand, below a lower face (12) of the ear and, on the other hand, on the lower face of the housing of the yoke so as to separate the lower face (12) of the ear from the lower face of the housing.
The invention relates to a disk brake that has a fork (11) with two opposing arms (14) each having a C-shaped axial seat (16) designed to receive a brake pad (12) with two opposing lateral lugs (26), each lug (26) receiving a pad spring (40) having at least one lower sliding branch (42), in which a laminar element (22) is interposed between the lug (26) and the C-shaped seat, said element (22) having a first lower sliding flange (24) receiving the sliding branch (42) of the pad spring and a second upper vertical supporting flange (25) in the seat (16), characterized in that the laminar element (22) is elastically deformable between an initial free state in which the sliding flange (24) and the lower face (34) of the seat (16) form a first acute angle (α) and at least one state of loading by the pad spring (40) in which the sliding flange (24) forms a second acute or zero angle (β) that is less than the first acute angle (α), and in which the sliding branch (42) of the pad spring (40) is pre-stressed.
F16D 65/097 - Resilient means interposed between pads and supporting members
F16D 55/2265 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially the axial movement being guided by one or more pins
The invention relates to a fixed caliper brake comprising a caliper housing that comprises two opposing blocks (14), each of which comprises an axial recess (16), an axial surface (20) for supporting a brake pad, and means (40, 22) for mounting and axially and slidably guiding the brake pad, said means comprising a pad spring (40) that is attached to each related lug (26) of the brake pad (12), and a steel lamellar element (22) having a spring and being received in the related recess (16).
F16D 65/097 - Resilient means interposed between pads and supporting members
F16D 55/228 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a separate actuating member for each side
The invention proposes a disc brake of which a carrier (11 ) comprises two opposite arms (14F, 14B) each comprising a C-shaped axial housing (16F, 16B) accommodating a brake pad (12) comprising two opposite lateral lugs (26F, 26B), each lug (26) accepting a pad spring (40F, 40B) comprising at least one lower, sliding, branch (42F, 42B) and in which a lamellar element (22F, 22B) is interposed between the lug (26F, 26B) and the C-shaped housing (16F, 16B), this element (22F, 22B) comprising a lower first sliding flange (24F, 22B) accepting the sliding branch (42F, 22B) of the pad spring (40F, 40B) and an upper second flange (25F, 25B) for bearing vertically in the housing (16), characterized in that it comprises at least one tangential preload spring (60B) for tangentially preloading the pad (12) and which is interposed between an arm (14B) and the pad (12) and constantly urges the pad (12B) in a direction (DF) that is horizontal overall from the back forward.
A disk brake has a fork with two opposing arms each having a C-shaped axial seat designed to receive a brake pad with two opposing lateral lugs, each lug receiving a pad spring having at least one lower sliding branch, in which a laminar element is interposed between the lug and C-shaped seat, the element having a first lower sliding flange receiving the sliding branch of the pad spring and a second upper vertical supporting flange in the seat. The laminar element is elastically deformable between an initial free state in which the sliding flange and the lower face of the seat form a first acute angle and at least one state of loading by the pad spring in which the sliding flange forms a second acute or zero angle that is less than the first acute angle, and in which the sliding branch of the pad spring is pre-stressed.
F16D 55/228 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a separate actuating member for each side
F16D 55/2265 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially the axial movement being guided by one or more pins
F16D 65/097 - Resilient means interposed between pads and supporting members
Disc brake with a floating calliper and controlled brake piston, a movement conversion cartridge (200) comprising a rear part which is supported against the base of the receptacle in the calliper and a control shaft (220) which passes through the base. The cartridge (200) is retained in place by a cage (490) which is locked resiliently on the wall of the receptacle. The piston (270) comprises longitudinal ribs (274) which are placed in longitudinal grooves provided in the receptacle, with interposition of an anti-deformation device (400) interposed between the branches (274) of the piston (270) and the grooves of the receptacle of the calliper, and comprising a ring (410) which supports lugs (420) distributed according to the branches (274) and having cylindrical tongues which are curved according to the form of the cross section of the branches, and thus ensure the locking in rotation of the conversion piston (270), whilst permitting its movement of translation.
F16D 55/26 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with a plurality of axially-movable discs, lamellae, or pads, pressed from one side towards an axially-located member without self-tightening action
B60T 11/10 - Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
F16D 55/226 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially
F16D 65/18 - Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together
DRUM BRAKE COMPRISING A WHEEL CYLINDER WITH A REDUCED BEARING SURFACE ON THE PLATE AND WITH A GUIDE ELEMENT INTERPOSED BETWEEN THE CYLINDER AND THE PLATE
The invention concerns a drum brake (10) for a motor vehicle that comprises a wheel cylinder (24) of which a fastening face (32) is received against a fastened plate (12), of which a cylindrical bearing surface (36) passes through a bore (38) in the plate (12), and of which a fastening screw (48) is received in a tapped hole (46) of the fastening face (32), characterised in that a portion of the fastening face (32) excluding the tapped hole (46) comprises a recess (50) intended to limit the surface area (51) of the fastening face (32) that bears on the plate (12), and in that a translational guide element (54) is interposed between the bearing surface (36) and the bore (38) in the plate (12).
F16D 51/24 - Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots fluid actuated
F16D 65/22 - Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for pressing members apart
47.
ELECTROMECHANICAL ACTUATOR FOR A PARKING BRAKE, ELECTRIC MOTOR FOR SUCH AN ACTUATOR, AND ASSEMBLY METHODS
The invention relates to an electromechanical actuator (17) that includes an actuator housing that contains an electric motor (39), a flexible printed circuit board (102) placed on the motor and that includes an electrical connection part (110) extending in a plane (PR), referred to as the connection plane, that is generally transverse to the axis of rotation (A2) of the shaft of the motor and that has at least two electrical connection holes,and an electrical connector including at least two internal conductive pins (58), each of which has a free rear electrical-connection end section (70),and in which, in the assembled position of the electric motor (39) in the housing (18), each electrical connection section (70) extends axially through a related connection hole of the electrical connection part (110) characterized in that, before assembly of the motor in the housing, the electrical connection part (110) extends in a plane (PM), referred to as the assembly plane, that forms an acute angle (a) with said connection plane (PR).
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
F16D 65/18 - Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together
48.
PLANET CARRIER FOR AN ELECTROMECHANICAL ACTUATOR OF A PARKING BRAKE, ACTUATOR AND ASSEMBLY METHODS
The invention proposes a planet carrier (50) for a planetary gear train of a reducing mechanism of an electromechanical actuator for actuating a parking brake of a motor vehicle, which carries planet pinions (52), each of which is accommodated between two parallel support plates (56, 58) belonging to a reinforcement (54) of the planet carrier and each of which is mounted in rotation on the planet carrier (50) about a rotation guide pin (74) that is mounted between the two support plates (56, 58) to which it is linked by the two opposing axial ends thereof, characterised in that each rotation guide pin (74) is a tubular pin.
F16H 57/08 - General details of gearing of gearings with members having orbital motion
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
F16D 65/18 - Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together
The invention proposes an arrangement containing a brake piston (16) for the operation of at least one disk brake pad and a nut-and-screw unit (44, 46) for producing an axial thrust, from the rear to the front, of the piston (16) containing a nut (46) that is arranged in the interior (33) of the piston (16), in relation to which it is secured in order to prevent rotation, and inside which it is mounted so as to slide axially, the front axial end face (52) of which interacts with an internal section (54) facing the front wall of the piston (16) in order to push the piston axially (16) towards the front when the screw (44) is driven in a rotating manner in the direction of unscrewing, and a screw (44) containing a front section screwed into the nut (46), an intermediate radial flange and a rear section (66), characterized in that the piston (16) and the screw (44) contain means of centering (90, 92) that interact with one another when the screw (44) is in a predetermined front axial mounting position in relation to the piston (16) in order to center the rear section (66) of the screw (44) radially in relation to the piston (16).
F16D 55/226 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially
F16D 65/18 - Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together
F16D 121/04 - Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
An arrangement contains a brake piston for operating at least one disk brake pad and a nut-and-screw unit for producing an axial thrust, from the rear to the front, of the piston containing a nut arranged in the piston's interior, and secured thereto to prevent rotation, and mounted therein to slide axially, whose front axial end face interacts with an internal section facing the piston's front wall to push the piston axially towards the front when the screw is rotatably driven in the unscrewing direction, and the screw containing a front section screwed into the nut, an intermediate radial flange and a rear section, wherein the piston screw contain centering elements that interact with one another when the screw is in a predetermined front axial mounting position in relation to the piston in order to center the rear section of the screw radially in relation to the piston.
B60T 11/10 - Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
B60T 1/06 - Arrangements of braking elements, i.e. of those parts where braking effect occurs acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission
B60T 11/04 - Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting mechanically
F16D 55/226 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially
F16D 121/04 - Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
Disc brake piston cap (3) interposed between the caliper (1) and the piston (2) to protect the piston (2). The cap (3) has a bulge (351) on the inner fold (35) which is engaged in the groove (22) of the piston (2), and has an overmolded insert (31) fixed to the annular groove (11) of the caliper. The folded cap (3), with the overmolded insert (31), intermediate folds (33, 34) and an outer fold (32), comprises longitudinal ribs (352) on the face of the inner fold (35) to stiffen this fold and allow air to pass from the inside to the outside around the bulge (351) of the inner fold (35), housed in the groove (22).
F16D 55/226 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially
F16D 55/2265 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially the axial movement being guided by one or more pins
A disc brake comprising a floating stirrup and a brake piston controlled via a motion conversion cartridge (200) comprising a rear part pressed against the bottom (114) of the housing (113) in the stirrup (100) and a control shaft (220) passing through the bottom. The front part (260) of the cartridge is pressed against the brake piston. It comprises a piston (270) provided with a plate cooperating with the plate of the control shaft (220) with the interposition of balls cooperating with tracks in the form of ramps to transform the relative rotational motion of one plate relative to the other into a translational motion of the piston (270). The cartridge (200) is held in place in its housing (113) by a cage (290) elastically attached to the wall (117, 118) of the housing (113). The piston (274) comprises longitudinal ribs (174) that fit in longitudinal grooves (119) produced in the wall of the housing (113) and thus ensuring the blocking of the rotation of the conversion piston (270) while allowing its translational motion.
F16D 55/26 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with a plurality of axially-movable discs, lamellae, or pads, pressed from one side towards an axially-located member without self-tightening action
F16D 55/226 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially
F16D 65/18 - Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together
A disc brake comprising a floating stirrup and a brake piston controlled via a motion conversion cartridge (200) comprising a rear part pressed against the bottom of the stirrup and a control shaft passing through the bottom. The front part of the cartridge is pressed against the brake piston. It comprises a piston (240) provided with a plate (242) cooperating with the plate (212) of the control shaft (210) with the interposition of balls cooperating with tracks in the form of ramps for transforming the relative rotational motion of the plate (212) relative to the other (242) into a translational motion of the piston (240). The cartridge (200) is held in place in its housing (113) by a cage (260) attached elastically to the wall of the housing. The plate of the piston (240) comprises longitudinal grooves (243) receiving the branches (233) of a lock (230) which is elsewhere blocked in rotation in the housing of the stirrup while leaving the conversion piston (240) free in translation.
F16D 55/26 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with a plurality of axially-movable discs, lamellae, or pads, pressed from one side towards an axially-located member without self-tightening action
F16D 55/22 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
F16D 65/18 - Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together
The invention relates to a disc brake piston cap (3) interposed between the caliper (1) and the piston (2) in order to protect the piston (2). The cap (3) has a bead (351) on the internal fold (35) inserted into the groove (22) in the piston (2) and an overmoulded insert (31) fixed to the annular groove (11) in the caliper. The cap (3), folded up with the overmoulded insert (31), intermediate folds (33, 34) and an external fold (32), comprises longitudinal ribs (352) on the face of the internal fold (35) in order to stiffen it and allow air to pass from the interior to the exterior, bypassing the bead (351) of the internal fold (35), housed in the groove (22).
F16D 55/2265 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially the axial movement being guided by one or more pins
The invention relates to a disk brake having a floating yoke and controlled brake piston, a motion-converting cartridge (200) including a rear portion bearing against the bottom of the recess in the yoke, and a control shaft (220) passing through the bottom. The cartridge (200) is held in place by a housing (490) that elastically engages with the wall of the recess. The piston (270) comprises longitudinal ribs (274) entering into longitudinal grooves provided in the recess, an anti-matting device (400) being positioned between the arms (274) of the piston (270) and the grooves of the recess of the yoke, and including a ring (410) having lugs (420) distributed in accordance with the arms (274) and having cylindrical tabs which are curved so as to match the shape of the cross-section of the arms and which thus blocking the rotation of the conversion piston (270) while still allowing the piston to translate.
F16D 55/226 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially
F16D 65/14 - Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
56.
Sleeve for disk brake caliper and disk brake fitted with such a sleeve
The present invention relates to a sleeve (9) for a disk brake fitted with a caliper slidably mounted in a carrier by means of pins fixed rigidly to the caliper, said sleeve (9) being designed to receive one of said pins in a bore of the carrier.
According to the invention, such a sleeve is characterized in that it has ribs (10, 11) on a surface designed to come into contact with the carrier so that said ribs (10, 11) may be deformed in order to increase said contact surface when the sleeve (9) is compressed by an activation of the brake.
F16D 55/2265 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially the axial movement being guided by one or more pins
F16D 65/14 - Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
A mounting system for a brake pad in the housings of a disk brake yoke in which the brake pad comprises at its ends two mounting ears (10), each ear being mounted in a housing of a disk brake yoke. The mounting system comprises for each pad ear, a spring (5) of linear or lamella shape, intended to bear, on the one hand, below a lower face (12) of the ear and, on the other hand, on the lower face of the housing of the yoke so as to separate the lower face (12) of the ear from the lower face of the housing.
Drum brake shoe, particularly for a motor vehicle, in which a brake cable (64) has an end terminal (66) for attachment to a lever (50) that acts on the shoe (4), this shoe comprising a rigid web one edge of which is formed with a cut-out (90) providing access to the cable (64) attachment end terminal (66) to make it easier to detach this cable.
