The present disclosure pertains to apparatuses and methods for servicing a motor vehicle wheel or rim, which employ AI-based image processing. Employing AI-based image processing may help to enhance the speed, quality and safety of a tire servicing procedure. A method is provided which comprises the step of creating one or more images covering at least a portion of an apparatus for servicing the motor vehicle wheel or rim; and the step of applying an AI-based model to the one or more images. In some implementations, the step of applying an AI-based model comprises the sub-step of determining a current configuration of the apparatus and/or the vehicle rim. Moreover, an apparatus for servicing a motor vehicle wheel or rim is provided, which is specifically adapted for performing such methods.
A hand-held device for obtaining a three-dimensional topological surface profile of a tire includes: a base comprising an aperture; a light source arranged in use to generate an elongate pattern of light, and to project said pattern through the aperture onto a rolling surface of the tire; a detector arranged to image a region of the rolling surface of the tire; a plurality of pairs of guide wheels mounted on respective axles mounted on the base, wherein the guide wheels on adjacent axles are linked by gears; and a rotary encoder arranged to generate a signal corresponding to rotation of an axle.
B60C 99/00 - Subject matter not provided for in other groups of this subclass
G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
The present disclosure pertains to apparatuses and methods for servicing a motor vehicle wheel or rim, which employ AI-based image processing. Employing AI-based image processing may help to enhance the speed, quality and safety of a tire servicing procedure. A method is provided which comprises the step of creating one or more images covering at least a portion of an apparatus for servicing the motor vehicle wheel or rim; and the step of applying an AI-based model to the one or more images. In some implementations, the step of applying an AI-based model comprises the sub-step of determining a current configuration of the apparatus and/or the vehicle rim. Moreover, an apparatus for servicing a motor vehicle wheel or rim is provided, which is specifically adapted for performing such methods.
A method of generating a three-dimensional topological surface representation of a tyre on a vehicle, the method comprising: using a tread depth measurement device to record tread depth data for a tyre surface moving relative to the tread depth measurement device; generating a movement profile of the tyre surface; and using the movement profile of the tyre surface to map the tread depth data onto a base tyre structure, thereby generating a three-dimensional topological surface representation of the tyre.
G01B 11/02 - Measuring arrangements characterised by the use of optical techniques for measuring length, width, or thickness
G01B 11/22 - Measuring arrangements characterised by the use of optical techniques for measuring depth
G01B 21/18 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring depth
5.
METHOD FOR VERIFYING THE EXECUTION OF A PROCEDURE OF MOUNTING/DEMOUNTING TIRES ON/FROM RESPECTIVE RIMS OF VEHICLE WHEELS USING AN APPARATUS FOR HANDLING VEHICLE WHEELS, AND APPARATUS THEREFOR
Apparatus and method for mounting a tire on a wheel rim and/or for removing a tire from a vehicle wheel rim. Such an apparatus is usually known as a tire changer. The tire changer of the present invention is capable of verifying that the position of the inflation valve and/or of the TPMS sensor of the wheel, relative to the position of the portions of tire most subject to stresses and/or relative to the position of the mounting/demounting tools, as well as the intensity of such stresses, lie within ranges defined as acceptable. The result of such verifications is then made available via a suitable report document.
A hand-held device for obtaining a three-dimensional topological surface profile of a tire, the device comprising: a base comprising an aperture; a light source arranged in use to generate an elongate pattern of light, and to project said pattern through the aperture onto a rolling surface of the tire; a detector arranged to image a region of the rolling surface of the tire; a plurality of pairs of guide wheels mounted on respective axles mounted on the base, wherein the guide wheels on adjacent axles are linked by gears; and a rotary encoder arranged to generate a signal corresponding to rotation of an axle.
B60C 99/00 - Subject matter not provided for in other groups of this subclass
G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
A method and related apparatus are provided for determining the geometrical dimensions of a wheel, or at least one part of a wheel, with particular reference to vehicle wheels, in the context of a wheel maintenance process. The method uses contactless sensors which include a scanning radar system, preferably a millimeter-wave radar system, to scan the wheel, or at least one part of the wheel, quickly and accurately, moving the contactless sensors along a trajectory lying in at least one plane perpendicular to a central axis of the wheel.
Apparatus and method for mounting a tire on a rim of a wheel and/or for removing a tire from a rim of a wheel of a vehicle. This apparatus is generally known as a tire changer. The tire changer of the present invention uses contactless sensors, in particular radar sensors, to scan the geometric dimensions of the wheel to be maintained and, in general, to accurately control the mounting/demounting tools.
B60C 25/138 - Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis with rotary motion of tool or tyre support
9.
Method and apparatus for determining the geometrical dimensions of a vehicle wheel mounted that rotates about an axis of rotation
Method and related apparatus for determining the geometrical dimensions of a wheel, or at least one part of a wheel, with particular reference to vehicle wheels, in the context of a wheel maintenance process. This method uses contactless sensors which comprise a scanning radar system, preferably a millimeter-wave radar system, to scan the wheel, or at least one part of the wheel, quickly and accurately.
G01B 15/04 - Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons for measuring contours or curvatures
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Machinery and equipment, as far as included in this class,
for the maintenance, care, repair and assembly of motor
vehicles and parts for motor vehicles in motor vehicle
workshops; parts and accessories for all of the
above-mentioned goods, as far as included in this class. Application software; web application software; mobile
application software; downloadable software applications;
application software for smartphones; application software
for wireless devices; computer software for mobile
applications that enable interaction and interface between
machines and mobile devices; machines, apparatus and
equipment, included in this class, for measuring and testing
of motor vehicles and parts of motor vehicles in motor
vehicle workshops; parts and accessories for all the
aforesaid goods, as far as included in this class. Repair, servicing and maintenance of motor vehicles;
inspection of vehicles prior to repair; inspection of
vehicles prior to maintenance; advisory services relating to
the repair of motor vehicles and parts thereof; provision of
information relating to the maintenance and repair of motor
vehicles and parts of motor vehicles. Software development, programming and implementation;
hosting services, software as a service, and rental of
software; IT consultancy, advisory and information services;
maintenance and repair of software.
A tire removal apparatus has a base with a support for rotating a wheel. A frame having an upright with a longitudinal axis substantially parallel to an axis of rotation of the wheel is joined to the base. A support arm associated with the upright is movable by an actuator in a direction substantially parallel to the axis of rotation of the wheel. A tool for operating on the wheel is mounted on the support arm. A sensor for detecting a parameter representing contact between the tool and the wheel is associated with the actuator, and is operationally connected to a control unit to control the actuator and/or another actuator associated with the support arm to move the tool along a trajectory determined by the control unit depending on the parameter representing contact between the tool and the wheel.
A tyre-removal apparatus includes a base having a support for receiving and rotating a wheel, and a frame joined to the base having an upright with a longitudinal axis substantially parallel to an axis of rotation of the wheel. A support arm associated with the upright is movable substantially parallel to the axis of rotation of the wheel. A tool for operating on the wheel is mounted pivoting on the support arm. A sensor associated with the tool detects a parameter representing contact between the tool and the wheel, and is connected to a control unit controlling an actuator associated with the support arm, to pivot the tool between a withdrawn position with respect to the axis of rotation of the wheel and an advanced position with respect to the axis of rotation of the wheel, depending on the parameter representing contact between the tool and the wheel.
B60C 25/138 - Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis with rotary motion of tool or tyre support
A method of generating a three-dimensional topological surface representation of a tyre on a vehicle, the method comprising: using a tread depth measurement device to record tread depth data for a tyre surface moving relative to the tread depth measurement device; generating a movement profile of the tyre surface; and using the movement profile of the tyre surface to map the tread depth data onto a base tyre structure, thereby generating a three-dimensional topological surface representation of the tyre.
G01B 11/02 - Measuring arrangements characterised by the use of optical techniques for measuring length, width, or thickness
G01B 11/22 - Measuring arrangements characterised by the use of optical techniques for measuring depth
G01B 21/18 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring depth
A hand-held device for obtaining a three-dimensional topological surface profile of a tire, the device comprising: a base comprising an aperture; a light source arranged in use to generate an elongate pattern of light, and to project said pattern through the aperture onto a rolling surface of the tire; a detector arranged to image a region of the rolling surface of the tire; a plurality of pairs of guide wheels mounted on respective axles mounted on the base, wherein the guide wheels on adjacent axles are linked by gears; and a rotary encoder arranged to generate a signal corresponding to rotation of an axle.
G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
B60C 99/00 - Subject matter not provided for in other groups of this subclass
15.
Method for mounting a tyre on a rim or demounting a tyre from a rim and apparatus therefore
The present invention relates to a method and an apparatus for mounting a tyre on a rim or demounting a tyre from a rim. The method includes the steps of rotating the wheel (tyre/rim assembly) by an electric motor about an axis, checking the current consumption of the electric motor during the mounting and demounting operation, and continuously and automatically adjusting a specific combination of torque and speed of the electric motor during the mounting/demounting operation. The apparatus for mounting a tyre on a rim or demounting a tyre from a rim comprises an electric motor for rotating the wheel (rim/tyre assembly) about an axis, a sensing device for sensing the motor current and transmitting corresponding signals to a control device and an adjustment controller for continuously and automatically adjusting a specific combination of torque and speed of the electric motor during the mounting/demounting operation.
B60C 25/138 - Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis with rotary motion of tool or tyre support
A method of generating a three-dimensional topological surface representation of a tyre on a vehicle, the method comprising: using a tread depth measurement device to record tread depth data for a tyre surface moving relative to the tread depth measurement device; generating a movement profile of the tyre surface; and using the movement profile of the tyre surface to map the tread depth data onto a base tyre structure, thereby generating a three-dimensional topological surface representation of the tyre.
G01B 11/02 - Measuring arrangements characterised by the use of optical techniques for measuring length, width, or thickness
G01B 11/22 - Measuring arrangements characterised by the use of optical techniques for measuring depth
G01B 21/18 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring depth
A hand-held device for obtaining a three-dimensional topological surface profile of a tyre, the device comprising: a base comprising an aperture; a light source arranged in use to generate an elongate pattern of light, and to project said pattern through the aperture onto a rolling surface of the tyre; a detector arranged to image a region of the rolling surface of the tyre; a plurality of pairs of guide wheels mounted on respective axles mounted on the base, wherein the guide wheels on adjacent axles are linked by gears; and a rotary encoder arranged to generate a signal corresponding to rotation of an axle.
G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
B60C 99/00 - Subject matter not provided for in other groups of this subclass
18.
Wheel servicing machine with force detecting device
The present invention relates to a wheel clamping system for reversibly clamping a motor vehicle wheel with a rim onto a wheel servicing machine, wherein the wheel clamping system comprises at least one force measuring device for measuring the value of a clamping force exerted by the wheel clamping system on a rim of a motor vehicle wheel held on the main shaft.
A wheel clamping system, for reversibly clamping a motor vehicle wheel with a rim onto a wheel servicing machine, includes a handle for acting on a rim of the wheel mounted on a rotatable spindle. The handle has a coupling surface for engaging with clamping jaws of a pull rod when the clamping jaws are open. The handle includes a force detecting device for determining an amount of force exerted by the handle on the rim of the wheel, and a signal emitter operatively connected to the force detecting device. The signal emitter is configured to wirelessly transmit a control signal to a signal receiver of the wheel balancer operatively connected to an actuator causing axial movement of the pull rod when the determined amount of force reaches a predefined threshold, such that the actuator is actuated and the wheel clamping system performs a reversible clamping operation.
A tyre changing machine includes a frame; a wheel support assembly mounted on the frame for locking and setting in rotation a rim of a wheel; at least a bead breaking arm; and a bead breaking tool adapted to carry out the bead breaking operation of the tyre of the wheel. The bead breaking arm is movable between a disengaged position, in which the bead breaking tool is substantially distanced with respect to the tyre, and a working position, in which the bead breaking tool can engage on the tyre. A motor device has an output drive shaft for moving the bead breaking arm. The tyre changing machine further includes means for transmitting drive from the motor device to the bead breaking arm or to the wheel support assembly and adapted to activate the bead breaking arm or the wheel support assembly.
B60C 25/138 - Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis with rotary motion of tool or tyre support
B60C 25/13 - Machines for only breaking the beads acting axially at localised regions of the bead or side wall
A method is presented for fitting a tyre onto a rim or removing a tyre from a rim in a tyre fitting machine using an appropriate tool. A wheel, a tyre/rim assembly, or the rim alone is caused to rotate about an axis of rotation, and at least one operating parameter of the tyre fitting machine is continuously monitored during the rotation to determine every actual value. Change in or gradient of such actual value is automatically monitored over time and each actual value found and/or the change in the value over time is compared with corresponding predetermined threshold values. The predetermined threshold values define a range of present values and/or change in values delimiting an accepted operating range for the tyre fitting machine, and the machine is controlled to maintain each measured present value and/or change therein over time within the range of corresponding predetermined threshold values.
B60C 25/138 - Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis with rotary motion of tool or tyre support
A tyre changing machine includes a wheel support assembly for locking and setting in rotation a rim of a wheel from which to demount or on which to mount a tyre, and a bead breaking tool disposed at an end of a bead breaking arm and able to carry out the bead breaking operation. The bead breaking arm is movable between a disengaged position and a working position. A motor device has an output drive shaft for moving the bead breaking arm between the disengaged and working positions. Means for transmitting the drive from the motor device to the bead breaking arm include threaded means having an external screw-thread and hollow counter-threaded means operatively coupled with the threaded means. Connecting means operatively associate the means for transmitting the drive to the bead breaking arm.
B60C 25/138 - Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis with rotary motion of tool or tyre support
B60C 25/13 - Machines for only breaking the beads acting axially at localised regions of the bead or side wall
A pneumatic valve unit for use in a tire changer for selectively connecting at least one pressure source of the tire changer to at least one operating member of the tire changer upon successive operation of at least one pedal of the tire changer, the pneumatic valve unit comprising a pneumatic valve with a valve housing and a plunger axially slidably received in the valve housing, the plunger being operatively coupled to the pedal and movable between at least two predetermined axial positions upon successive operation of the pedal, and a selection mechanism for selectively connecting the pressure source to the operating member upon successive operation of the pedal, wherein the selection mechanism comprises a selector housing for axially slidably receiving the plunger therein, a cam body comprising a plurality of cam surfaces, a spacer body comprising a plurality of spacer surfaces for acting together with the cam surfaces, and a biasing means for biasing the spacer body towards the cam body.
F16K 31/122 - Operating meansReleasing devices actuated by fluid the fluid acting on a piston
F16K 11/07 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only sliding valves with linearly sliding closure members with cylindrical slides
F16K 31/528 - Mechanical actuating means with crank, eccentric, or cam with pin and slot
F16K 31/52 - Mechanical actuating means with crank, eccentric, or cam
F16K 31/143 - Operating meansReleasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves the fluid acting on a piston
F16K 31/163 - Operating meansReleasing devices actuated by fluid with a mechanism, other than pulling- or pushing-rod, between fluid motor and closure member the fluid acting on a piston
B60C 25/138 - Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis with rotary motion of tool or tyre support
24.
Method and apparatus for uniquely identifying tyres for wheels of vehicles as part of vehicle wheel maintenance processes
A method and associated apparatus for uniquely identifying tyres for wheels of vehicles as part of wheel maintenance processes. The method envisages that a vehicle wheel is mounted on a support of a wheel maintenance apparatus, said wheel comprising a rim and a tyre. Moreover, a digital code is created to uniquely identify the tyre. Finally, via a marking system, preferably of the optical type, at least one marking is created on the surface of one side wall of the tyre of said wheel, corresponding to the previously created digital code.
B41J 2/44 - Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using single radiation source, e.g. lighting beams or shutter arrangements
G09F 3/00 - Labels, tag tickets, or similar identification or indication meansSealsPostage or like stamps
G06K 7/10 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation
G06K 19/06 - Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
G01M 1/04 - Adaptation of bearing support assemblies for receiving the body to be tested
B60C 25/138 - Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis with rotary motion of tool or tyre support
A machine body for a wheel servicing apparatus includes a casing and a display support unit configured to support a display unit, such as a touchscreen unit, that is connectable with a processing unit of the wheel servicing apparatus. The display support unit is movably arranged at the casing to provide a first position in which a display front surface of the display unit attachable to the display support unit is visible to a user, and a second position in which a display front surface of the display unit attachable to the display support unit is shielded from the outside such that the display front surface is not visible to the user.
The present invention relates to a method and an apparatus for mounting a tyre on a rim or demounting a tyre from a rim. The method includes the steps of rotating the wheel (tyre/rim assembly) by an electric motor about an axis, checking the current consumption of the electric motor during the mounting and demounting operation, and continuously and automatically adjusting a specific combination of torque and speed of the electric motor during the mounting/demounting operation. The apparatus for mounting a tyre on a rim or demounting a tyre from a rim comprises an electric motor for rotating the wheel (rim/tyre assembly) about an axis, a sensing device for sensing the motor current and transmitting corresponding signals to a control device and an adjustment controller for continuously and automatically adjusting a specific combination of torque and speed of the electric motor during the mounting/demounting operation.
B60C 25/138 - Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis with rotary motion of tool or tyre support
The present invention relates to a tyre changing machine (1) comprising: a frame (2) restable on a rest surface (A); a wheel support assembly (6) mounted on the frame (2) for locking and setting in rotation a rim (C) of a wheel (R) from which to demount or on which to mount a respective tyre (P); at least a bead breaking arm (7) associable to the frame (2); a bead breaking tool (8) associated to the bead breaking arm (7) and adapted to carry out the bead breaking operation of the tyre of the wheel. The bead breaking arm (7) is movable between a disengaged position, in which the bead breaking tool (8) is substantially distanced with respect to the tyre (P) of the wheel (R) to be debeaded, and a working position, wherein the bead breaking tool (8) can engage on said tyre. A motor device (10), preferably an electric motor, has an output drive shaft (10a) for moving the bead breaking arm (7) between the disengaged position and the working position and/or vice versa. The tyre changing machine (1) further comprises means (11) for selectively transmitting drive from the motor device (10) to the bead breaking arm (7) or to the wheel support assembly (6) and adapted to selectively activate the bead breaking arm (7) or the wheel support assembly (6).
B60C 25/138 - Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis with rotary motion of tool or tyre support
The present invention relates to a tyre changing machine (1 ) comprising: a frame (2) restable on a rest surface (A); a wheel support assembly (6) mounted on the frame (2) and configured for locking and setting in rotation a rim (C) of a wheel (R) from which to demount or on which to mount a respective tyre (P); a bead breaking arm (7) having a first end associable to the frame (2); a bead breaking tool (8) associated to a second end of the bead breaking arm (7) and able to carry out the bead breaking operation of the tyre of the wheel (P). The bead breaking arm (7) is movable between a disengaged position, in which the bead breaking tool (8) is substantially distanced with respect to the tyre (P) of the wheel (R) to be debeaded, and a working position, wherein the bead breaking tool (8) can engage on said tyre. A motor device (10), preferably an electric motor, has an output drive shaft (10a) for moving the bead breaking arm (7) between the disengaged position and the working position and/or vice versa. Means (18, 22, 24) for transmitting the drive from the motor device (10) to the bead breaking arm (7) comprise threaded means having an external screw-thread and hollow counter-threaded means operatively coupled with the threaded means. Connecting means (25) are configured for operatively associating said means (18, 22, 24) for transmitting the drive to the bead breaking arm (7). The connecting means (25) are able to engage, in a free sliding coupling, the means for transmitting the drive from the motor device (10) to the bead breaking arm (7), and the means for transmitting drive further comprise a striker element (30) able to engage with the connecting means (25) and/or the bead breaking arm (7).
B60C 25/138 - Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis with rotary motion of tool or tyre support
A wheel service machine and a method for servicing a wheel, such as a tire changer or a wheel balancer for a vehicle wheel, comprises a rotary mounting including a shaft to which the wheel is mounted, a frame work for carrying at least the rotary mounting, and a sensing device mounted to the frame work, for determining geometrical dimensions of the wheel, or parts of the wheel. The sensing device comprises a carrier element and a first sensing unit for sensing the wheel and a computing device for determining the geometrical dimensions of the wheel based on the data received from the sensing device, the first sensing unit being mounted on the carrier element. The wheel service machine further comprises a drive element for enabling a pivotal movement of the sensing device, wherein the drive element is a micro stepper motor.
The present invention relates to communication system for tyre service machine being configured for receiving tyre and/or rim of vehicle wheel rotatably about rotation axis, the communication system comprising at least one processing unit and at least one measuring unit, at least one measuring unit comprising at least one sensor component for measuring at least one property of wheel, processing component for processing data acquired by at least one sensor component and/or for processing input data received from at least one of at least one processing unit, at least one processing unit and at least one measuring unit each comprising data communication component for receiving data from and/or transmitting data to another data communication component. The data communication component of processing unit and data communication components of at least one measuring unit are arranged for communicating wirelessly with each other in accordance with at least one sensor-independent protocol.
The present invention relates to measuring unit for measuring forces generated by unbalance of rotor mounted on measuring shaft, particularly of vehicle wheel mounted on measuring shaft of wheel balancing machine, the measuring unit comprising stationary frame, first bearing for receiving measuring shaft rotatably about its shaft axis (Z), second bearing pivotally supporting first bearing about pivot axis (Y) which intersects shaft axis (Z) and being supported on stationary frame, first force sensor for measuring forces generated by unbalance of rotating rotor and acting on measuring shaft about pivot axis (Y), and second force sensor for measuring forces generated by unbalance of rotating rotor and acting on measuring shaft and on second bearing in direction intersecting shaft axis (Z), wherein second bearing and stationary frame are integrally formed of single element as support plate.
A holding device for a rim of a vehicle wheel, comprising a base plate, a plurality of retaining elements, a synchronization element, and a locking element for locking a rotational position of at least one of the plurality of retaining elements or the synchronization element. The plurality of retaining elements and the synchronization element comprise corresponding coupling portions for form-fitting coupling of the rotational movement of the plurality of retaining elements and the synchronization element. Any one of the synchronization element or at least one of the plurality of retaining elements comprises an elastic coupling portion, biasing the corresponding coupling portions of the synchronization element and the retaining elements towards each other for ensuring the form-fitting coupling of the synchronization element and the plurality of retaining elements.
G01M 1/04 - Adaptation of bearing support assemblies for receiving the body to be tested
B23Q 1/64 - Movable or adjustable work or tool supports characterised by the purpose of the movement
33.
Method for detecting the eccentricity of a tire for vehicle wheels within processes of maintenance of said wheels and apparatus for the maintenance of wheels of vehicles
An apparatus for the maintenance of wheels of vehicles, like a balancer or a device for mounting/dismounting tires, comprises a support adapted to support a rim of a wheel of a vehicle. A device for detecting the eccentricity of a tire of the wheel is mounted on the support. Such device comprises an optical system configured to capture a light beam reflected by a tread of the tire and focus it on a point of an optical sensor. The optical sensor emits a signal indicative of an average value of a radial distance of the linear portion from the main axis. A control unit processes a plurality of average values corresponding to different linear portions of the tread and obtained during the rotation of the tire, and detects the eccentricity of said tire.
A lifting device (10, 40) for at least one wheel (8) of a vehicle or for a tire (6), said device (10, 40) comprising at least one platform (12, 41, 42) on which the wheel (8) or tire (6) moves, said platform (12) being liftable relative to a fixed surface (P). The movable platform (12) is associated with a laser scanner (20) for detecting the state of wear of the tire (6).
A mounting/demounting tool for mounting/demounting a tire with respect to the rim of a vehicle wheel, comprising a tool body defining a first end of the tool, an extension from the tool body defining a second end of the tool, and a hook arranged at the extension in the vicinity of the second end. The hook has an inner surface section for gripping and guiding a tire bead during tire demounting, and a first outer surface section for guiding a tire bead during tire mounting. A protrusion extends from between the first outer surface section and a second outer surface section of the hook to the second end.
B60C 25/135 - Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis
B60C 25/138 - Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis with rotary motion of tool or tyre support
B60C 25/04 - Tyre levers or the like, e.g. hand-held pivotal about the wheel axis, or movable along the rim edge, e.g. rollable
A tire mounting/demounting tool assembly for a tire mounting/demounting machine comprises a carrier unit having a first as well as a second end and being provided with first support means for receiving a bead breaker tool and second support means for receiving a mounting support tool, a bead breaker tool for loosening the tire bead from the rim edge of a wheel, having a first as well as a second end, the first end is provided with at least one bead breaker tool element and the second end is adapted to be mounted to the carrier unit via the first support means, and a mounting support tool for supporting the mounting of at least one tire bead of a tire to be mounted on a rim, the mounting support tool having a first as well as a second end, the first end is provided with a mounting support tool element and the second end is adapted to be mounted to the carrier unit via the second support means. The shape of the bead breaker tool element and the shape of the mounting support tool are at least partially congruent to each other.
B60C 25/138 - Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis with rotary motion of tool or tyre support
The present invention relates to a mounting/demounting tool unit for mounting a tyre to or demounting a tyre from a rim of a vehicle wheel and for being adapted to be attached to a tyre mounting/demounting machine, including: a longitudinally extending tool carrier arm having a center line and a first as well as a second end, a mounting/demounting tool having a first as well as a second end and a hook arranged in the region of the second end, and being pivotally mounted to the tool carrier arm in the region of its first end, wherein means for reversibly urging the mounting/demounting tool in a resting/operating position and for positioning the mounting/demounting tool in said resting/operating position are provided.
The invention relates to a method for mounting/demounting a tyre (T) on a rim (R). The method comprises the steps of: determining an initial reference position for the mounting/demounting device (U1, U2), said initial reference position being proximal to an edge (E) of the wheel rim (R); linking the position of the mounting/demounting device (U1, U2) with the initial reference position; adjusting the position of the mounting/demounting device (U1, U2) with respect to either the first or the second direction; continuously detecting the position of the mounting/demounting device (U1, U2) with respect to said either first or second direction; and continuously and automatically adjusting the position of the mounting/demounting device (U1, U2), with respect to the other one of said either first or second direction, at least in dependence of the initial reference position.
B60C 25/138 - Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis with rotary motion of tool or tyre support
A lifting apparatus for a vehicle wheel comprising a wheel support which is selectively movable in order to lift or lower a vehicle wheel which is positioned thereon. An actuator group is connected to the wheel support in order to actuate the lifting and lowering thereof. A control unit is operationally connected to the actuator group in order to control the actuation. A lifting sensor member is provided to detect the height of the wheel support. At least one actuation instruction brings about the actuation of the actuator group in order to lift the wheel support from a lowered rest position to a predetermined lifting position, which is detected by the lifting sensor member.
B65D 75/58 - Opening or contents-removing devices added or incorporated during package manufacture
B65D 85/10 - Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles rod-shaped or tubular for cigarettes
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
Goods & Services
Tyre mounting machines. Tyre matching apparatus; Image analyzers; Wheel alignment measuring apparatus; Measuring apparatus and instruments; Wheel balancing apparatus; Graduation checkers [calibration checkers]; Vehicle wheel alignment machines; Tire balancing machines for land vehicles; Instruments for surveying physical data; Tire balancing units for land vehicles; Measuring, counting, alignment and calibrating instruments; Sensors and detectors; Testing and quality control devices; Controllers (regulators); Balance installations; Scales; Interfaces for computers; Graphical user interface software; Information technology and audiovisual equipment; Real-time data processing apparatus; Data processing apparatus; Electronic control systems for machines; Data processing terminals; Video monitors; Recorded computer software; Application software; Industrial controls incorporating software. Tire balancing; Retracking [alignment] of tyres; Tire rotating and balancing.
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
Goods & Services
Tyre mounting machines. Tyre matching apparatus; Image analyzers; Wheel alignment measuring apparatus; Measuring apparatus and instruments; Wheel balancing apparatus; Graduation checkers [calibration checkers]; Vehicle wheel alignment machines; Tire balancing machines for land vehicles; Instruments for surveying physical data; Tire balancing units for land vehicles; Measuring, counting, alignment and calibrating instruments; Sensors and detectors; Testing and quality control devices; Controllers (regulators); Balance installations; Scales; Interfaces for computers; Graphical user interface software; Information technology and audiovisual equipment; Real-time data processing apparatus; Data processing apparatus; Electronic control systems for machines; Data processing terminals; Video monitors; Recorded computer software; Application software; Industrial controls incorporating software. Tire balancing; Retracking [alignment] of tyres; Tire rotating and balancing.
42.
Tire changer and method of measuring force variations
A tire changer which comprises a mounting device for receiving at least a wheel rim of a wheel/tire assembly, wherein the mounting device has an axis (S), a roller which is able to contact a peripheral surface of the wheel/tire assembly and to apply a predetermined force to the peripheral surface of the wheel/tire assembly, a control device for controlling the predetermined force applied by the during a rotation of the wheel/tire assembly about the axis (S) of the mounting device and a sensor device for measuring force variations acting between the peripheral surface of the wheel/tire assembly and the roller, wherein supports of the roller and of the mounting device are designed for a relative movement of the roller and of the mounting device towards each other along a straight line to apply the predetermined force to the peripheral surface of the wheel/tire assembly.
B60C 25/138 - Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis with rotary motion of tool or tyre support
The invention provides a drive assembly for tire service machines comprising a drive motor having a rotatable output drive shaft, and a wheel support. The inventive drive assembly further comprises a gear unit having at least one gearbox, wherein the at least gear box has at least a gear box input shaft and a gear box output shaft. The wheel support is in 5 direct torque transmitting connection with the gear box output shaft, and the output drive shaft of the drive motor is in a direct torque transmitting connection with the gear box input shaft of the gear box. Furthermore, the drive assembly is adapted to provide structural support.
B60C 25/138 - Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis with rotary motion of tool or tyre support
The present invention relates to a method and an apparatus for mounting a tyre on a rim or demounting a tyre from a rim. The method includes the steps of rotating the wheel (tyre/rim assembly) by an electric motor about an axis, checking the current consumption of the electric motor during the mounting and demounting operation, and continuously and automatically adjusting a specific combination of torque and speed of the electric motor during the mounting/demounting operation. The apparatus for mounting a tyre on a rim or demounting a tyre from a rim comprises an electric motor for rotating the wheel (rim/tyre assembly) about an axis, a sensing device for sensing the motor current and transmitting corresponding signals to a control device and an adjustment controller for continuously and automatically adjusting a specific combination of torque and speed of the electric motor during the mounting/demounting operation.
B60C 25/138 - Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis with rotary motion of tool or tyre support
45.
Automotive shop service apparatus having a means for determining the rolling resistance coefficient of a tyre
A vehicle wheel service apparatus, in particular a wheel balancer or a tire changer, comprising a load means for applying a predetermined load onto a peripheral surface of a wheel/tire assembly, a sensor device arranged to determine forces acting between the peripheral surface of the wheel/tire assembly and the load means, wherein the forces comprise at least a first force acting in a radial direction of the wheel/tire assembly and a second force acting in a circumferential direction of the wheel/tire assembly, and an evaluation device arranged to determine a rolling resistance coefficient of the tire on the basis of the first and second forces.
The invention relates to a method for contactless determining a behavior of a loaded tire or wheel, comprising the steps of determining a contour of at least a portion of the tire or wheel; simulating loading of the tire or wheel with a virtual loading element bearing against the tire for at least one rotary position of the wheel on the basis of the determined contour, a displacement of the determined contour caused by the virtual loading element and at least one parameter associated to the tire or wheel or to a part of the tire; and determining the behavior of the loaded wheel using the simulation results.
G01B 21/32 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
B60G 17/019 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
47.
Tyre mounting and demounting apparatus with load belt apparatus
A tire changer, comprising: a mounting device for receiving at least a wheel rim of a wheel/tire assembly, the mounting device having an axis (S), a load belt apparatus being able to contact a peripheral surface of the wheel/tire assembly and to apply a predetermined force to the peripheral surface of the wheel/tire assembly, a control device for controlling the predetermined force applied by the load belt apparatus during a rotation of the wheel/tire assembly about the axis (S) of the mounting device and a sensor device for measuring force variations acting between the peripheral surface of the wheel/tire assembly and the load belt apparatus, wherein supports of the load belt apparatus and of the mounting device are designed for a relative movement of the load belt apparatus and of the mounting device towards each other to apply the predetermined force to the peripheral surface of the wheel/tire assembly.
B60C 23/00 - Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehiclesArrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanksTyre cooling arrangements
B60C 23/02 - Signalling devices actuated by tyre pressure
B60C 25/138 - Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis with rotary motion of tool or tyre support
48.
Method of determining rotary angle related data of a vehicle wheel
A method and an apparatus for determining rotary angle related measurement data of a body mounted rotatable about an axis of rotation, the body being a vehicle wheel or a part of a vehicle wheel, in particular a tire or a rim, the method comprising the steps of obtaining measurement data comprising a plurality of measurement data elements of the rotating body together with respective measuring times, determining at least one rotational speed or revolution period of the body for at least one point in time, and associating the obtained measurement data elements to respective rotary angles of the body based on the respective measuring times and the at least one rotational speed or revolution period of the body.
G01M 1/22 - Determining imbalance by oscillating or rotating the body to be tested and converting vibrations due to imbalance into electric variables
G01B 11/24 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
G01B 21/26 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapersMeasuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for testing the alignment of axes for testing wheel alignment
A method and system for inspection, maintenance or repair of a vehicle, especially a motor vehicle or of at least one part of the vehicle, wherein for determining position or geometrical data of the vehicle or of the at least one part of a vehicle, a light field image of the vehicle or of the part of the vehicle or of a target attached to the vehicle or to the at least one part of the vehicle is produced to localize the vehicle or the at least one part of the vehicle in three dimensions by determining distinct incident angles of light coming from the vehicle or form the at least one part of the vehicle or from the target attached to the vehicle or to the at least one part of the vehicle by light-sensitive elements which are positioned in predetermined locations.
G01B 11/275 - Measuring arrangements characterised by the use of optical techniques for measuring angles or tapersMeasuring arrangements characterised by the use of optical techniques for testing the alignment of axes for testing wheel alignment
G01M 1/28 - Determining imbalance by oscillating or rotating the body to be tested with special adaptations for determining imbalance of the body in situ, e.g. of vehicle wheels
G01B 11/00 - Measuring arrangements characterised by the use of optical techniques
Apparatus including a wheel balancing device and a tire changing device, comprising a spindle shaft for rotatably supporting a vehicle wheel or rim, unbalance measuring means operatively connected to the spindle shaft and having a spatial unbalance measuring area in which unbalance forces of the wheel or rim are detected, tire changer tools for assembling a tire onto a rim, spindle supporting means supporting the spindle shaft in a force acting range in which forces are created between the tire changer tools and the tire during the assembling or disassembling of the tire, tool supporting means supporting the tire changer tools within the force acting range which is arranged outside of the spatial unbalance measuring area, and drive means driving the spindle shaft with a rotational speed and torque adapted for assembling and disassembling the tire or for measuring unbalance forces of the wheel or rim.
The invention provides a drive assembly for tire service machines comprising a drive motor (22, 122, 222) having a rotatable output drive shaft, and a wheel support (60, 160, 260) and further comprises a gear unit (30, 130, 230) having at least one gearbox (40, 140, 240), wherein the at least gear box has at least a gear box input shaft (44) and a gear box output shaft (46, 146, 246). The wheel support is in a direct torque transmitting connection with the gear box output shaft, and the output drive shaft (26) of the drive motor (22, 122, 222) is in a direct torque transmitting connection with the gear box input shaft of the gear box. Furthermore, the drive assembly is adapted to provide structural support.
G01M 1/04 - Adaptation of bearing support assemblies for receiving the body to be tested
B60C 25/138 - Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis with rotary motion of tool or tyre support
52.
Automatic anti-slipping system and automatic anti-slipping method
An automatic anti-slipping system for a rotationally fixed attachment of a rim of a wheel in a wheel service machine, comprises a wheel supporting and rotating means (20), for supporting and rotating a wheel to be serviced. At least two driving pins (32) are provided at the wheel supporting and rotating means (20) for reversibly generating a rotationally fixed connection between a wheel supporting and rotating means (20) and a rim of a wheel to be serviced, wherein at least one of the at least two driving pins (32) is adapted to come in a positive locking engagement with at least one recess of a rim, and wherein the at least two driving pins (32) are adapted to be reversibly moveable, and actuator means (40) are able to reversibly move the driving pins (32) in an actuated state.
The invention relates to a method for contactless determining a behavior of a loaded tyre or wheel, comprising the steps of determining a contour of at least a portion of the tyre or wheel; simulating loading of the tyre or wheel with a virtual loading element bearing against the tyre for at least one rotary position of the wheel on the basis of the determined contour, a displacement of the determined contour caused by the virtual loading element and at least one parameter associated to the tyre or wheel or to a part of the tyre; and determining the behavior of the loaded wheel using the simulation results.
G01B 21/32 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
The invention relates to a method for contactless determining non-uniformities of a loaded wheel, comprising the steps of determining outer contour of at least a portion of the unloaded wheel; simulating loading of the wheel with a virtual loading element bearing against the tire tread for a plurality of rotary positions of the wheel on the basis of the determined outer contour, a displacement of the determined outer contour caused by the virtual loading element and a predetermined spring rate associated to the tire tread; and determining non-uniformities of the loaded wheel using the simulation results.
A tire changer which comprises a mounting device (18) for receiving at least a wheel rim of a wheel/tire assembly, wherein the mounting device (18) has an axis (S), a roller (26) which is able to contact a peripheral surface of the wheel/tire assembly (14) and to apply a predetermined force to the peripheral surface of the wheel/tire assembly (14), a control device (32) for controlling the predetermined force applied by the during a rotation of the wheel/tire assembly about the axis (S) of the mounting device and a sensor device (30) for measuring force variations acting between the peripheral surface of the wheel/tire assembly and the roller (26), wherein supports (20, 22) of the roller (26) and of the mounting device (18) are designed for a relative movement of the roller (26) and of the mounting device (18) towards each other along a straight line to apply the predetermined force to the peripheral surface of the wheel/tire assembly (14).
B60C 25/138 - Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis with rotary motion of tool or tyre support
The present application relates to a wheel balancer which includes a stationary frame, a measuring shaft mounted rotatably about a shaft axis on the stationary frame and adapted to receive coaxially a rim/tyre assembly. The wheel balancer further includes an encoder configured to determine the angular positions of the measuring shaft or of the rim/tyre assembly, a load device configured to apply a load to the periphery of the rim/tyre assembly, a first measuring device configured to measure forces resulting from an unbalance of the rotating rim/tyre assembly, a second measuring device configured to measure forces acting between the load device and the periphery of the rim/tyre assembly, and a locking device configured to keep the distance between the shaft axis and a contact portion at which the periphery of the rim/tyre assembly contacts the load device constant during the measurement of the forces acting between the load device and the periphery of the rim/tyre assembly.
The invention concerns vehicle wheel service machines, in particular automatic tire changers, having a wheel or rim mounting device (2) which is mounted rotatably about an axis (11) and to which a wheel (1) is to be fixed. The vehicle wheel service machine comprises first and second detectors (6, 7) and a controller to detect the rotational speeds of the rim mounting device (2) and the wheel (1) respectively. Furthermore, a method for controlling the rotational speed of the rim mounting device (2) is provided. If the detected rotational speeds are different, slipping is determined and eliminated by approximating the rotational speed of the rim mounting device (2) to that of the wheel (1). A rim mounting device (2) can comprise a rim mounting plate (23) having a rim support surface (24) with a high-friction lining adapted to increase friction between the rim mounting plate (23) and the wheel (1).
The present invention is related to a method and an apparatus for assembling a tire (1) onto the rim (2) of a vehicle wheel or for disassembling a tire (1) from the rim (2) of a vehicle wheel. There is provided an electric motor (3) for rotationally driving the rim (2) and the tire (1) during the assembling or disassembling operation, tools (4, 5) for assembling or disassembling the tire (1) onto the rim (2) or from the rim (2), measuring means (6, 15, 16, 18) for measuring the tire temperature and/or forces acting on the tire during the assembling or disassembling operation, and recording means (7) for recording on at least one data carrier the measured values of the tire temperature and/or of the forces acting on the tire during the assembling or disassembling operation.
A device for measuring forces generated by an unbalance of a rotor, said device comprising a stationary frame, a first bearing, measuring shaft mounted rotatably about its shaft axis in the first bearing, a mounting means provided on the measuring shaft designed for attachment of the rotor, wherein the rotor is designed to be balanced in at least one compensating plane, a second bearing pivotally supporting the first bearing about a pivot axis which intersects the shaft axis and being supported on the stationary frame, a first force sensor for measuring forces generated by the unbalance of the rotating rotor and acting about the pivot axis, and a second force sensor for measuring forces generated by the unbalance of the rotating rotor and acting on the measuring shaft and on the second bearing in a direction intersecting the shaft axis.
A brake test stand for testing vehicle brakes and for determining the brake forces acting on the respective vehicle wheel. The brake test stand comprises first and second pairs of rollers for positioning the two wheels mounted on a common axis of a vehicle thereon, wherein the rollers of each pair of rollers are arranged opposite to each other and the pairs of rollers are provided side by side. A control unit controls the test stand. First sensing devices are positioned respectively below and between the rollers of each pair of rollers for sensing the pattern of the running surface of each of the tires of the wheels mounted on the common axis. A processing and calculation unit processes the data obtained by the first sensing devices for calculating tire conditions based on a correlation of the data of the coaxially mounted tires.
B60T 17/22 - Devices for monitoring or checking brake systemsSignal devices
G01L 5/28 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for testing brakes
An apparatus and a method for synchronously moving first and second fitting or removal tools (300, 400) of a tire fitting or removing apparatus. When an operator moves the first fitting or removal tool (300) in a substantially radial direction with respect to a longitudinal axis (L) of a post (210) supporting the first and second fitting or removal tools (300, 400), a synchronization unit receives first and second input signals of first and second sensors (320, 420) coupled to the first and second fitting or removal tools (300, 400) and indicating a radial movement or position of the tools (300, 400). The synchronization unit generates, based on a comparison of the first and second input signals, an output signal causing an actuator (450) to move the second fitting or removal tool (400) synchronous to the first fitting or removal tool (300) in said substantially radial direction.
B60C 25/135 - Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis
B60C 25/138 - Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis with rotary motion of tool or tyre support
An apparatus measures the tread of a tire on a vehicle, in which a laser line generator (34) generates an elongate pattern of light. Mirrors (36) are arranged to reflect light from the laser line generator (34) onto the rolling surface of the tire. Mirrors (36, 38, 42) are arranged to reflect light from different regions of the rolling surface of the tire towards a camera (32). The camera images the regions of the rolling surface of the tire. The apparatus may be hand-held or arranged such that a tire to be aged is driven onto or over it.
G01B 11/245 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures using a plurality of fixed, simultaneously operating transducers
G01B 11/275 - Measuring arrangements characterised by the use of optical techniques for measuring angles or tapersMeasuring arrangements characterised by the use of optical techniques for testing the alignment of axes for testing wheel alignment
64.
TIRE CHANGER AND METHOD OF MEASURING FORCE VARIATIONS
A tyre changer which comprises a mounting device (18) for receiving at least a wheel rim of a wheel/tyre assembly, wherein the mounting device (18) has an axis (S), a roller (26) which is able to contact a peripheral surface of the wheel/tyre as- sembly (14) and to apply a predetermined force to the peripheral surface of the wheel/tyre assembly (14), a control device (32) for controlling the predetermined force applied by the during a rotation of the wheel/tyre assembly about the axis (S) of the mounting device and a sensor device (30) for measuring force variations acting between the peripheral surface of the wheel/tyre assembly and the roller (26), wherein supports (20, 22) of the roller (26) and of the mounting device (18) are designed for a relative movement of the roller (26) and of the mounting device (18) towards each other along a straight line to apply the predetermined force to the peripheral surface of the wheel/tyre assembly (14).
Method and apparatus for determining geometrical dimensions of a wheel, especially a vehicle wheel, or of at least a part of the wheel, comprising the steps of pivoting at least one sensing device for scanning the wheel surface or a part of the wheel surface about a pivot axis in plane perpendicular to the wheel axis and determining the geometrical dimensions of the scanned wheel surface in dependence from the angular position of the at least one sensing device, wherein the angular position is determined from measured accelerations of the sensing device in two predetermined directions during the pivotal movement of the sensing device.
G01B 7/315 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapersMeasuring arrangements characterised by the use of electric or magnetic techniques for testing the alignment of axes for testing wheel alignment
G01M 1/02 - Details of balancing machines or devices
G01B 17/06 - Measuring arrangements characterised by the use of infrasonic, sonic, or ultrasonic vibrations for measuring contours or curvatures
G01B 21/02 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
G01B 21/10 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
G01P 15/18 - Measuring accelerationMeasuring decelerationMeasuring shock, i.e. sudden change of acceleration in two or more dimensions
G01B 11/02 - Measuring arrangements characterised by the use of optical techniques for measuring length, width, or thickness
G01B 21/20 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
66.
Method for mounting A tyre on a rim or demounting A tyre from a rim and apparatus therefore
The invention relates to a method for controlling a current fed to an electric motor during an operation to mount a tire on a rim of a wheel including the tire and the rim, or to demount the tire from the rim. The wheel is rotated by an electric motor about an axis, and the motor current fed to the electric motor is controlled dependent on the rotational speed and torque required for the mounting and/or demounting operation. The motor current is automatically changed to cause the electric motor to apply a high torque peak to rotate the wheel, when the motor current is measured to be greater than a preset limit at a low rotational speed during a preset time. Furthermore, the invention relates to an apparatus for mounting a tire on a rim or demounting the tire from the rim.
The invention concerns a method and apparatus for mounting a tire on a rim to form a motor vehicle wheel and for demounting a tire from a rim with at least one fitting or removal tool. Images of the wheel (14) or the rim (12) are created by a vision system (21) and corresponding signals are sent to a computer (18, 28). Commands to move the at least one fitting or removal tool (16) are sent to the at least one fitting or removal tool (16) by the computer (18, 30), the signals of the vision system (21) and the commands sent to the at least one fitting or removal tool (16) are correlated to define the position of the at least one fitting or removal tool relative to the rim contour, and the movement of the at least one fitting or removal tool (16) is guided in dependence on the performed correlation without contacting the rim surface.
The invention relates to a roller for a motor vehicle brake test bench comprising a roller body (11), wherein the outer wall (17) of the roller body (11) is made at least partially of plastic. The invention further relates to a brake test bench (12) for motor vehicles with such a roller (10).
According to the present invention there is provided a wheel diagnosis system (DS) for diagnosing a wheel (12) under test mounted to a vehicle and including at least a rim (18) and a tire (13). The wheel diagnosis system comprises a plurality of sensing units (1, 2, 3) being adapted for scanning predetermined surfaces of the wheel under test when the wheel under test is rotated, a supporting unit (5) to which the plurality of sensing units is mounted. Specifically, the supporting unit is freely movable relative to the wheel under test, and the sensing units are located at different positions on the supporting unit for scanning different portions of the predetermined surfaces of the wheel under test and collecting data of the operation result when the supporting unit is placed at the wheel under test at a predetermined scanning position. The present invention further refers to a method of diagnosing the condition of the wheel under test mounted to a vehicle.
Apparatus for measuring forces which are produced by an unbalance of a rotary member, the apparatus including a measuring shaft (2) which is supported in a rotary mounting (26) rotatably about its axis (23) and to which the rotary member (1) is fixed for the measurement operation, and a support device (3) having force measuring sensors (4, 5) for supporting the measuring shaft (2) on a stationary frame (6), wherein the support device (3) has an intermediate frame (7) on which the measuring shaft is supported in a mounting plane having a force measuring sensor (4), the intermediate frame (7) is supported on the stationary frame (6) by way of a further force measuring sensor (5) and by way of a first pair (11, 12) of support levers and pivots (15 to 18), the rotary mounting (26) is fixedly connected to a stiff holding device (29) at an axial spacing with respect to the mounting plane (8) in which the force measuring sensors (5, 6) are disposed, the holding device (29) is supported on the intermediate frame (8) by way of a second pair (13, 14) of support levers and pivots (19 to 22), and the support levers (11 to 14) are formed by stiff flat members arranged between the associated pivots (15 to 22).
A method of and an apparatus for fitting or removing a tire 4 of a vehicle wheel 1, in which at least one fitting or removal tool 5 is guided parallel to the axis 11 of the vehicle wheel 1 and the vehicle wheel 1 is moved controllably perpendicularly to its wheel axis 11 in dependence on a rim contour along which the fitting or removal tool 5 is to be guided at a small spacing.
A method and an apparatus of determining geometrical dimensions of a motor vehicle wheel (rim/tyre assembly) 1 by contact-less sensing, wherein the wheel is fixed on wheel receiving means 8 of a tyre changer, that at least one planar light beam 3 is emitted on to the wheel or at least a part of the wheel, wherein the light beam reflected at the impingement area is detected, and wherein the directions of the emitted and reflected light beams are evaluated for determining the shape and/or position of the respective impingement area 4 on the wheel 1.
A method and an apparatus of determining geometrical dimensions of a motor vehicle wheel (rim/tire assembly) 1 by contact-less sensing, wherein the wheel is fixed on wheel receiving means 2 of a tire changer, that at least one light beam 21 is emitted on to the wheel or at least a part of the wheel, wherein the light beam reflected at the impingement area is detected, and wherein the directions of the emitted and reflected light beams are evaluated for determining the shape and/or position of the respective impingement area on the wheel.
G01B 11/275 - Measuring arrangements characterised by the use of optical techniques for measuring angles or tapersMeasuring arrangements characterised by the use of optical techniques for testing the alignment of axes for testing wheel alignment
a horizontally extended frame; a wheel holder device provided on said frame and designed to support a tired wheel (14) with horizontally positioned wheel axis; a carriage supported movably along the frame; a tool holder provided on the carriage; at least one tire changing tool for mounting the tire onto the wheel and/or for demounting the tire from the wheel; and actuator means to move the tool holder on the carriage to operating positions in which the tire changing tool is able to act on the tire for mounting or demounting on both sides of the tire, wherein during the mounting operation or demounting operation the carriage is driven by an actuator device along the frame; the tool holder is movably supported on a tool holder carriage which is movably supported on said carriage and driven by an additional actuator device provided on said carriage, and said additional actuator device is in drive connection with the tool holder carriage via a mechanical speed-increasing transmission.
An apparatus for and a method of fitting or removing a motor vehicle tyre (4) comprising a rotatably supported wheel receiving device (2) to which the rim (3) is to be fixed, at least one fitting or removal tool (5), a rotary drive device (10) for the wheel receiving device and a sensing device (6), (7), (8) for sensing the radially outer rim contour (12), (14) along which the at least one fitting or removal tool is to be guided during the fitting or removal operation, wherein the sensing device (6), (7), (8) is a sensing device which contact-lessly senses the rim contour and the sensing signals of which are converted into electrical sensing signals, and connected to the sensing device (6), (7), (8) is a control device (9) which evaluates the electrical sensing signals and which controls the at least one fitting or removal tool (5) in the fitting or removal operation in dependence on the sensing signals without contact with the rim surface.
G01B 11/14 - Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
G01B 11/26 - Measuring arrangements characterised by the use of optical techniques for measuring angles or tapersMeasuring arrangements characterised by the use of optical techniques for testing the alignment of axes
G01B 11/30 - Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
G01B 11/24 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
An alignment measuring apparatus for 3D contactless measuring alignment of a wheel of an automotive vehicle, a system formed by several apparatuses for a total wheel alignment of all wheels of an automotive vehicle, and a respective method for carrying out 3D contactless wheel alignment in real time. The several embodiments provide a comprehensive diagnosis tool for the alignment operation of vehicle wheels by contactless scanning, in particular a real time measuring for total wheel alignment, and enable a respective hassle-free adjustment operation.
G01B 11/26 - Measuring arrangements characterised by the use of optical techniques for measuring angles or tapersMeasuring arrangements characterised by the use of optical techniques for testing the alignment of axes
78.
Method of optically scanning the tread surface of a pneumatic tyre of a vehicle wheel
A method of and an apparatus for optically scanning the tread surface of a pneumatic tire 10 which for forming a vehicle wheel 1 is mounted on a disc wheel 5, wherein measurement data are obtained along a plurality of peripheral lines by light beam scanning, said data corresponding to the spacings of the impingement points of the light beams on the tread surface from a reference position, wherein associated first or higher harmonics for quality classification of the rotational truth of the vehicle wheel are formed in a computer-aided evaluation apparatus 9 from the measurement data along the respective peripheral lines.
09 - Scientific and electric apparatus and instruments
Goods & Services
Wheel test beds for motorcycles, motor scooters, motor vehicles, lorries, buses and trailers, rollers for wheel test beds, coatings and coverings for wheel test beds.
