A seat adjustment mechanism includes a first component and a second component movable relative to the first component. A drive mechanism is drivingly connected to the second component for moving the second component relative to the first component. The drive mechanism includes a drive motor drivingly connected to a first gear member having conical involute teeth. A second gear member includes conical involute teeth in meshing engagement with the conical involute teeth of the first gear member. The conical involute teeth have a tapered tooth thickness, a tapered root and a tapered outside diameter.
B60N 2/16 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
B60N 2/02 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
B60N 2/14 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable rotatable, e.g. to permit easy access
B60N 2/225 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms
2.
VEHICLE SEAT ADJUSTMENT ASSEMBLY WITH REDUCED-BACKLASH GEAR SYSTEM
A seat adjustment mechanism includes a first component and a second component movable relative to the first component. A drive mechanism is drivingly connected to the second component for moving the second component relative to the first component. The drive mechanism includes a drive motor drivingly connected to a first gear member having conical involute teeth. A second gear member includes conical involute teeth in meshing engagement with the conical involute teeth of the first gear member. The conical involute teeth have a tapered tooth thickness, a tapered root and a tapered outside diameter.
B60N 2/22 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
B60N 2/225 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms
B60N 2/16 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
B60N 2/18 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other
B60N 2/015 - Attaching seats directly to vehicle chassis
B60N 2/02 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
F16H 55/24 - Special devices for taking up backlash
F16H 1/28 - Toothed gearings for conveying rotary motion with gears having orbital motion
3.
Vehicle Seat Adjustment System with Power Long Rails
A power rail system for a vehicle seat includes an outer track defining an elongated channel with an elongated lead screw mounted in the channel. An inner track is received in the elongated channel and a power length adjuster gear transmission is mounted to the inner track and drivingly engaged with the elongated lead screw. A seat structure is mounted to the inner track for movement along the power rail system.
B60N 2/06 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
B60N 2/02 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
A seat assembly may include a seatback, a seat bottom, and a pair of seat track assemblies. The seat bottom may be movable in an angular direction relative to the vehicle. The pair of seat track assemblies may include a first seat track assembly and a second seat track assembly. Each of the first and second track assemblies may include a lower track and an upper track slidably engaging the lower track. The upper tracks of the first and second seat track assemblies may be attached to the seat bottom. The upper tracks of the first and second seat track assemblies are independently movable along lengths of the respective lower tracks such that the upper tracks are configured to move along the lengths of the lower tracks at different linear velocities to move the seat bottom and the seatback in the angular direction.
B60N 2/14 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable rotatable, e.g. to permit easy access
B60N 2/02 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
B60N 2/06 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
A swivel assembly is provided for moving a vehicle seat in an angular direction. The swivel assembly may include a lower plate, a rotating plate, a gear ring, a motor, and a locking pin assembly. The lower plate may be attached to a vehicle floor. The rotating plate may be attached to the vehicle seat. The gear ring may be fixedly attached to the rotating plate. The motor may be coupled to the gear ring and drive the gear ring to move in the angular direction to cause corresponding movement of the rotating plate and the vehicle seat. The locking pin assembly may include a locking pin that is movable relative to the lower plate between an unlocked position and a locked position. The locking pin may move into and out of engagement with the rotating plate to selectively restrict and allow movement of the rotating plate.
B60N 2/14 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable rotatable, e.g. to permit easy access
B60N 2/02 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
A swivel assembly is provided for moving a vehicle seat in an angular direction. The swivel assembly may include a lower plate, a rotating plate, a gear ring, a motor, and a locking pin assembly. The lower plate may be attached to a vehicle floor. The rotating plate may be attached to the vehicle seat. The gear ring may be fixedly attached to the rotating plate. The motor may be coupled to the gear ring and drive the gear ring to move in the angular direction to cause corresponding movement of the rotating plate and the vehicle seat. The locking pin assembly may include a locking pin that is movable relative to the lower plate between an unlocked position and a locked position. The locking pin may move into and out of engagement with the rotating plate to selectively restrict and allow movement of the rotating plate.
B60N 2/14 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable rotatable, e.g. to permit easy access
B60N 2/02 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
A method of laser welding a recliner assembly includes positioning a first component of a vehicle seat recliner mechanism with respect to a second component of the vehicle seat recliner mechanism. The method further includes retaining a position of the first component and the second component. Retaining includes forming a plurality of tack welds between the first component and the second component. The method further includes fixing the first component to the second component. Fixing includes forming a finishing weld between the first component and the second component by laser welding the first component to the second component.
B60N 2/235 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms
A recliner mechanism for a vehicle seat may include a guide plate, a locking plate, a pawl, an actuator hub, and a coil spring. The guide plate includes a recess and a projection. The locking plate includes a surface having teeth formed thereon. The pawl is movable in the recess between a secure position in which the pawl is engaged with the teeth of the locking plate to restrict relative rotation between the guide plate and the locking plate and a release position in which the pawl is disengaged from the teeth of the locking plate to allow relative rotation between the guide plate and the locking plate. Rotation of the actuator hub causes corresponding movement of the pawl between the secure position and the release position. The coil spring includes a first end engaging the actuator hub and a second end that hooks the projection of the guide plate.
B60N 2/235 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms
B60N 2/225 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms
A recliner heart includes a first locking plate, a second locking plate, a hub, a pair of wedges, a first biasing member, and a second biasing member. The first locking plate includes first teeth. The second locking plate is rotatable relative to the first locking plate and includes second teeth. The first biasing member is configured to apply a first biasing force to the wedges. The second biasing member is configured to apply a second biasing force to the wedges. The hub is rotatable between a first position in which the first and second biasing forces are applied to the wedges to restrict rotation of the second locking plate relative to the first locking plate, and a second position in which the first biasing force applied to one wedge of the wedges is reduced to allow rotation of the second locking plate relative to the first locking plate.
B60N 2/23 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by linear screw mechanisms
B60N 2/225 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms
B60N 2/235 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms
B60N 2/20 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being tiltable, e.g. to permit easy access
A recliner assembly for a vehicle seat may include a pair of recliner hearts and a cross rod. Each of the recliner hearts includes a first plate and a second plate that is selectively rotatable relative to the first plate to recline a seatback relative to a seat bottom of the vehicle seat. The cross rod extends between the recliner hearts and is received in hubs of the recliner hearts. The cross rod transmits torque between the hubs. The cross rod includes ridges that are angularly spaced apart from each other. Each of the ridges includes a first sidewall, a second sidewall, and an end wall extending between the first and second sidewalls. The first and second sidewalls are defined by first and second axes that extend radially outward. The first and second axes are angled such that they do not converge with each other as they extend radially outward.
B60N 2/23 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by linear screw mechanisms
B60N 2/02 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
B60N 2/20 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being tiltable, e.g. to permit easy access
B60N 2/235 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms
A seatback adjustment assembly may include a recliner heart, an attachment plate, and a lever. The recliner heart is operable in an unlocked state permitting relative rotation between a seatback and a seat bottom and a locked state preventing relative rotation between the seatback and the seat bottom. The attachment plate is rotationally fixed to the recliner heart. The lever is rotatable between a first state in which the lever is engaged with the attachment plate and a second state in which the lever is disengaged from the attachment plate. When lever is in the first state and the recliner heart is in the unlocked state, rotation of the recliner heart causes corresponding rotation of the seatback relative to the seat bottom. However, the seatback is configured to rotate relative to the seat bottom without causing corresponding rotation of the recliner heart when the lever is in the second state.
B60N 2/02 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
B60N 2/235 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms
B60N 2/20 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being tiltable, e.g. to permit easy access
12.
Open architecture power length adjuster assembly for a vehicle seat and method of manufacturing the same
A seat adjuster assembly for a vehicle seat assembly may include a housing, a worm, a spindle screw, a motor, and either a helical gear or a single-enveloping worm gear. The worm may be disposed within the housing for rotation about a first axis and having a thread. The helical gear or single-enveloping worm gear may be disposed within the housing for rotation about a second axis and meshingly-engaged with a pitch surface of the thread of the worm. The spindle screw may extend along the second axis and through the housing and the helical gear or single-enveloping worm gear. The spindle screw may be meshingly-engaged with the helical gear or single-enveloping worm gear. The motor may drive the worm to cause linear movement of the housing, worm, motor, and the helical gear or single-enveloping worm gear along the second axis.
B60N 2/02 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
B60N 2/06 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
A latch mechanism for a vehicle seat includes a latch, a plate and a second cam. The latch is movable between a first position in which the latch is engaged with a striker and a second position in which the latch is disengaged from the striker. The plate defines an arcuate slot. The second cam is coupled to the plate and includes a body and a protrusion extending outwardly from the body. The protrusion is received in the arcuate slot and is configured to traverse the arcuate slot when the latch is in the first position.
B60N 2/22 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
B60N 2/30 - Non-dismountable seats storable in a non-use position, e.g. foldable spare seats
A gearbox for a vehicle seat adjustment mechanism in accordance with the principles of the present disclosure includes first and second portions. The first portion includes a first body defining a first longitudinal recess and a first peripheral recess in fluid communication with the first longitudinal recess. The first body includes a concave first curved surface. The second portion includes a second body defining a second longitudinal recess and a second peripheral recess in fluid communication with the second longitudinal recess. The second body includes a convex second curved surface. The second curved surface has an equal and opposite curvature compared to the first curved surface. In an assembled configuration, the first and second curved surfaces are in contact, the first longitudinal and second longitudinal recesses cooperate to define a longitudinal passage, and the first and second peripheral recesses communicate to define a peripheral receptacle.
B60N 2/06 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
F16H 57/039 - Gearboxes for accommodating worm gears
A recliner mechanism includes a housing plate and a recliner heart. The housing plate includes a plate body. The recliner heart is mounted to the housing plate and operable in an unlocked state permitting relative rotation between a seat back and a seat bottom, and a locked state preventing relative rotation between the seatback and the seat bottom. The housing plate includes a fore end proximate a front of the seat bottom and an aft end opposing the fore end and proximate a rear end of the seat bottom. The plate body includes a protrusion extending outwardly therefrom at or near the aft end.
B60N 2/427 - Seats or parts thereof displaced during a crash
B60N 2/235 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms
A vehicle seat-track assembly is provided and may include a first track member having a series of locking features and a second track member slidably supported by the first track member. The seat-track assembly may also include a locking mechanism having locking pawls movable between a locked state engaged with the locking features to restrict relative movement between the first and second track members and an unlocked state disengaged from the locking features to permit relative movement between the first and second track members. The locking pawls may each include locking elements that are received within respective ones of the series of locking features in the locked state such that the locking elements restrict relative movement between the first track member and the second track member in two directions when the locking pawls are in the locked state.
B60N 2/08 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device
17.
Release handle for recliner mechanism of vehicle seat
A vehicle-seat-recliner assembly may include first and second recliner hearts, a release handle, a cross-member, a handle pin, a handle-travel-limiter, and a reinforcement member. The release handle is connected with the first recliner heart and is rotatable relative to the brackets to move the first recliner heart between locked and unlocked states. The cross-member is connected to the recliner hearts and transmits torque from the release handle to the second recliner heart to move the recliner hearts between the locked and unlocked states. The handle pin engages the release handle. The handle-travel-limiter may include a flange portion and a shaft portion. The shaft portion may include an aperture configured to receive the cross-member. The flange portion extends radially outward from the shaft portion. The handle pin engages the handle-travel-limiter. The reinforcement member may be fixed to the handle-travel-limiter and the handle pin.
B60N 2/23 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by linear screw mechanisms
B60N 2/20 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being tiltable, e.g. to permit easy access
B60N 2/22 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
B60N 2/235 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms
18.
Open architecture power length adjuster assembly for a vehicle seat and method of manufacturing the same
A method of manufacturing a gear drive for a seat adjuster assembly may include applying a cutting process to a worm gear blank to cut gear teeth into the worm gear blank and form a single-enveloping worm gear; forming a worm with a helical thread that includes a pitch surface that is configured to mesh with the gear teeth of the single-enveloping worm gear. A longitudinal crown is created on the pitch surface of the helical thread of the worm such that the pitch surface has an arcuate profile moving from a proximal end of the worm to a distal end of the worm. In addition, a crowned tooth profile is created on the helical thread of the worm that extends in an angular direction between a top land and a bottom land of the helical thread. The crowned tooth profile bows outwardly along a convex curve.
A recliner heart may include a first locking plate, a second locking plate, a cam and a lubricant member. The first locking plate includes an outer diametrical surface having first teeth formed thereon. The second locking plate is rotatable relative to the first locking plate and includes an inner diametrical surface having second teeth formed thereon. Some of the second teeth are meshingly engaged with some of the first teeth. The cam is connected to the second locking plate and includes a groove formed therein. The lubricant member is disposed in the groove of the cam.
B60N 2/22 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
B60N 2/225 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms
A recliner heart for a vehicle seat recliner assembly may include a first plate, acsecond plate and one or more pawls. The first plate may define a recess. The second plate may include a first inner diametrical surface having first teeth formed thereon. The pawl may be slidably disposed in the recess between a secure position in which the pawl is engaged with a portion of the teeth of the second plate to restrict relative rotation between the first and second plates and a release position in which the pawl is disengaged from the portion of the teeth of the second plate to allow relative rotation between the first and second plates. One or both lateral sides of the pawl may include one or more slots.
B60N 2/20 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being tiltable, e.g. to permit easy access
B60N 2/235 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms
21.
Ultra-compact power length adjuster with anti-back drive capability and pinion-rack output for a vehicle seat
A seat adjuster drive including a stationary track that is fixed to a vehicle and a sliding track that is arranged in sliding engagement with the stationary track for movement fore and aft. A gear box, mounted to the sliding track, supports a pinion that is part of a rack and pinion drive assembly. The gear box houses a conical spiral gear set and one or more planetary gear sets. The conical spiral gear set includes a conical pinion gear that is coupled to an electric motor and a conical spiral gear that is arranged in meshing engagement with the conical pinion gear. The conical spiral gear is carried on the pinion in a sliding fit. The one or more planetary gear sets rotatably couple the conical spiral gear and the pinion through a gear reduction.
B60N 2/06 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
B60N 2/08 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device
22.
Recliner mechanism for seat assembly and method of manufacturing
A method for manufacturing a recliner mechanism may include movably attaching a first plate of a recliner heart to a second plate of the recliner heart, positioning a gap ring onto the first plate of the recliner heart, positioning an encapsulation ring around the first and second plates such that the gap ring is disposed axially between the first plate and the encapsulation ring, and removing at least a portion of the gap ring from between the first plate and the encapsulation ring to form a clearance gap between the first plate and the encapsulation ring.
B23P 11/02 - Connecting or disconnecting metal parts or objects by metal-working techniques, not otherwise provided for by making force fits
B21D 39/00 - Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
B60N 2/235 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms
B60N 2/90 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles - Details or parts not otherwise provided for
B60N 2/22 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
A power seat track assembly may include an elongated first rail, a second rail, a motor assembly, and a power-transfer assembly. The second rail may engage the first rail and may be movable along a length of the first rail. The motor assembly may be mounted to the second rail and may be operable to drive the second rail along the length of the first rail. The power-transfer assembly may include a first component mounted to the first rail and a second component mounted to the second rail. The first component may wirelessly transmit power to the second component. The second component may be electrically connected to the motor assembly to provide electrical current to the motor assembly.
B60N 2/06 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
B60N 2/02 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
A power seat track assembly may include an elongated first rail, a second rail, a motor assembly, and a power-transfer assembly. The second rail may engage the first rail and may be movable along a length of the first rail. The motor assembly may be mounted to the second rail and may be operable to drive the second rail along the length of the first rail. The power-transfer assembly may include a first component mounted to the first rail and a second component mounted to the second rail. The first component may wirelessly transmit power to the second component. The second component may be electrically connected to the motor assembly to provide electrical current to the motor assembly.
B60N 2/06 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
F16H 19/04 - Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary motion and reciprocating motion comprising a rack
A recliner heart includes first, second and third locking plates and a pawl. The first locking plate defines a recess. The second locking plate includes a first inner diametrical surface having first teeth formed thereon. The third locking plate is disposed between the first and second locking plates and includes a second inner diametrical surface and an outer diametrical surface. The second inner diametrical surface has a notch formed therein. The outer diametrical surface has second teeth formed thereon. Some of the second teeth are meshingly engaged with some of the first teeth. The pawl is slidably disposed in the recess between a secure position in which the pawl is engaged with the notch of the third locking plate and a release position in which the pawl is disengaged from the notch of the third locking plate.
B60N 2/20 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being tiltable, e.g. to permit easy access
B60N 2/22 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
B60N 2/235 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms
26.
OPEN ARCHITECTURE POWER LENGTH ADJUSTER ASSEMBLY FOR A VEHICLE SEAT AND METHOD OF MANUFACTURING THE SAME
A seat adjuster assembly including a housing, a worm, a worm gear, and a spindle screw is provided. The worm is disposed within the housing for rotation about a first axis and includes a helical thread. The worm gear is disposed within the housing for rotation about a second axis and is meshingly-engaged with the worm. The spindle screw extends through the housing and the worm gear for rotation about the second axis. The spindle screw is meshingly-engaged with the worm gear. The helical thread of the worm may be longitudinally crowned or double-crowned.
F16H 55/22 - Toothed members; Worms for transmissions with crossing shafts, especially worms, worm-gears
F16H 1/16 - Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
F16H 1/18 - Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes the members having helical, herring-bone, or like teeth
A single-stage gear reduction output mechanism for an automotive seat assembly including a gear housing bracket, gear housing, axle shaft, eccentric, and first and second gears. The axle shaft extends through the eccentric with a slip fit, the first gear rotates with the axle shaft, and the second gear is carried on a first bearing surface of the eccentric and meshingly engages the first gear in a planetary arrangement. A locking plate including first, second, and third slot cutouts is disposed within the gear housing. A support pin extends from the gear housing through the first slot cutout and a second bearing surface of the eccentric extends through the second slot cutout to support the locking plate and limit its movement along a lateral axis. The second gear includes a first pin that extends through the third slot cutout to prevent the first gear from back-driving the second gear.
B60N 2/08 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device
B60N 2/02 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
28.
SINGLE-STAGE GEAR REDUCTION OUTPUT MECHANISM HAVING A LOCKING GEAR WITH PIN RECEIVING GUIDE HOLES AND ANTI-BACK DRIVE CAPABILITY FOR AUTOMOTIVE SEAT ADJUSTER DRIVES
A single-stage gear reduction output mechanism for an automotive seat assembly includes a gear housing bracket, gear housing, axle shaft, eccentric, and first and second gears. The axle shaft extends through the eccentric with a slip fit, the first gear rotates with the axle shaft, and the second gear is carried on a first bearing surface of the eccentric and meshingly engages the first gear in a planetary arrangement. The second gear includes an external flange with at least two guide holes. First and second support pins that are rigidly fixed in place relative to the axle shaft extend through the two guide holes in the external flange of the second gear. Forces acting at the interfaces between the first and second support pins and the two guide holes and between the eccentric and the second gear prevent the first gear from back-driving rotation of the second gear.
B60N 2/02 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
B60N 2/04 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
A seat-track assembly is provided and may include a first track member having a series of locking features and a second track member slidably supported by the first track member. The seat-track assembly may also include a locking mechanism having at least two locking pawls movable between a locked state engaged with the locking features to restrict relative movement between the first and second track members and an unlocked state disengaged from the locking features to permit relative movement between the first and second track members. The at least two locking pawls may each include at least two locking elements that are received within respective ones of the series of locking features in the locked state such that each of the locking elements simultaneously restrict relative movement between the first track member and the second track member in two directions when the locking pawls are in the locked state.
B60N 2/06 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
A seat-track assembly is provided and may include a first track member having a series of locking features and a second track member slidably supported by the first track member. The seat-track assembly may also include a locking mechanism having at least two locking pawls movable between a locked state engaged with the locking features to restrict relative movement between the first and second track members and an unlocked state disengaged from the locking features to permit relative movement between the first and second track members. The at least two locking pawls may each include at least two locking elements that are received within respective ones of the series of locking features in the locked state such that each of the locking elements simultaneously restrict relative movement between the first track member and the second track member in two directions when the locking pawls are in the locked state.
B60N 2/06 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
A seat-track assembly is provided and may include a first track member having a series of locking features and a second track member slidably supported by the first track member. The seat-track assembly may also include a locking mechanism having at least two locking pawls movable between a locked state engaged with the locking features to restrict relative movement between the first and second track members and an unlocked state disengaged from the locking features to permit relative movement between the first and second track members. The at least two locking pawls may each include at least two locking elements that are received within respective ones of the series of locking features in the locked state such that each of the locking elements simultaneously restrict relative movement between the first track member and the second track member in two directions when the locking pawls are in the locked state.
B60N 2/06 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
A latch mechanism is provided and may include a housing, a locking mechanism supported by the housing and movable between a locked state and an unlocked state, and a first pin movable relative to the housing between a retracted state and an extended state. The first pin may engage an external structure in the extended state to retain the housing and the locking mechanism relative to the external structure.
B60N 2/08 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device
B60N 2/02 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
A latch mechanism is provided and may include a housing and a claw member rotatably supported by the housing between an unlocked state and at least two locked states. A pawl member may be rotatably supported by the housing and may be operable to lock the claw member in the at least two locked states relative to the housing.
B60N 2/08 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device
E05B 65/12 - for vehicles (E05B 71/00 takes precedence;locking arrangements for non-fixed vehicle roofs B60J 7/185)
An adjustment mechanism is provided and may include an upper housing plate and a lower housing plate. The adjustment mechanism may also include a recliner mechanism movable between an unlocked state permitting relative rotation between the upper housing plate and the lower housing plate and a locked state preventing relative rotation between the upper housing plate and the lower housing plate. A locking mechanism may selectively permit rotation of one of the upper housing plate and lower housing plate relative to the other of the upper housing plate and the lower housing plate when the recliner mechanism is in the locked state by permitting the recliner mechanism to rotate with the one of the upper housing plate and lower housing plate when in the locked state.
B60N 2/22 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
B60N 2/08 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device
B60N 2/20 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being tiltable, e.g. to permit easy access
An adjustment mechanism is provided and may include an upper housing plate and a lower housing plate. The adjustment mechanism may also include a recliner mechanism movable between an unlocked state permitting relative rotation between the upper housing plate and the lower housing plate and a locked state preventing relative rotation between the upper housing plate and the lower housing plate. A locking mechanism may selectively permit rotation of one of the upper housing plate and lower housing plate relative to the other of the upper housing plate and the lower housing plate when the recliner mechanism is in the locked state by permitting the recliner mechanism to rotate with the one of the upper housing plate and lower housing plate when in the locked state.
B60N 2/22 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
B60N 2/20 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being tiltable, e.g. to permit easy access
B60N 2/08 - Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device
