A sliding rail transmission device and a vehicle include a driving portion and at least one sliding rail assembly, the sliding rail assembly includes a rail and a movable member, the rail is provided with a flanging which extends downward, the flanging forms a first transmission toothed belt, and the rail is provided with a damping strip at a position of the first transmission toothed belt, the damping strip forms a second transmission toothed belt, the first transmission toothed belt and the second transmission toothed belt are arranged side by side, the movable member is provided with a transmission gear, the transmission gear is arranged below the first transmission toothed belt and the second transmission toothed belt, and the transmission gear can mesh with the first transmission toothed belt and the second transmission toothed belt simultaneously; and the driving portion drives the transmission gear to rotate to drive the movable member to move along the rail. Such arrangement is beneficial to realizing stable driving, and foreign matters are not easy to fall into the first transmission toothed belt and the second transmission toothed belt. The first transmission toothed belt and the second transmission toothed belt are arranged side by side and mesh with the transmission gear together, which not only ensures the overall strength of the transmission toothed belts, but also achieves the object of vibration damping and is beneficial to enhancing the adaption of tolerance.

A lift mechanism for a vehicle seating assembly comprises a gear assembly that includes a first gear and a second gear. A mounting bracket is fixedly coupled to a vehicle and shares a common axis with the first gear, wherein the first and second gears are positionable in a fixedly coupled arrangement at an initial location relative to the mounting bracket or at a final location relative to the mounting bracket, such that, when the first and second gears are in the fixedly coupled arrangement at the initial location relative to the mounting bracket, the seating assembly is in a sitting position, and when the first and second gears are in the fixedly coupled arrangement at the final location relative to the mounting bracket, the seating assembly is in a standing position.

In an electric seat slide device of the present invention, a rear-side bracket 27 includes a first support member 41 fixed to a lower rail 2, a second support member 42 fixed to the lower rail 2 together with the first support member 41, a female screw member 43 as a first nut member through which a screw shaft 4 passes, and a second nut member 44 through which the screw shaft 4 passes. A pair of side wall portions 47 extending along a lower rail longitudinal direction and a vertical wall portion 62 of the second support member 42 which is formed orthogonal to the straight line along the lower rail longitudinal direction are sandwiched between the female screw member 43 and the second nut member 44.

A device for adjusting the length of the seating portion of a motor vehicle seat, the seating portion comprising a movable seating part, the adjustment device comprising a threaded rod, a rotating nut, and a housing receiving the nut and the threaded rod, the threaded rod comprising a first end in connection with the movable seating part and a second end opposite the first end, the threaded rod and the nut cooperating in rotation to move the movable seating part, wherein the nut comprises a nut weakness area for the breaking of said nut.

A lower leg support device for a vehicle seat, with a bracket and with a lower leg support displaceably arranged on the bracket, which can be moved between a non-use position and a use position upstream in longitudinal extension, wherein the lower leg support has at least two support parts which are moveable relative to each other to increase or reduce a lower leg support surface of the lower leg support. It is provided that the support parts can be moved transversely to the longitudinal extension to each other in order to increase or reduce the width of the lower leg support surface.

A vehicle seat comprising a base, a seating portion connected to the base by a front connecting rod, a backrest support lockable on the base, a backrest pivotally mounted on the backrest support by a hinge mechanism and connected to the seating portion by a pivot. The backrest support is connected to the base by two rear connecting rods configured so that the backrest is folded horizontally in a console position when the front connecting rod pivots forward after unlocking the backrest support while the hinge mechanism is not actuated.

An actuator for a vehicle seat comprises an electric motor in which the rotor rotates first and second output shafts of the electric motor; a first reduction gear rotated by the first output shaft, the first reduction gear having a first gear ratio, and driving a first notched shaft having a first notch pitch; a second reduction gear rotated by the second output shaft, the second gear having a second gear ratio, and driving a second notched having with a second notch pitch.

A base frame for a vehicle seat comprising two lateral parts and swing arms pivoting in relation to the lateral parts. The base frame can be height adjusted by pivoting the swing arms. Pivoting the swing arms can be caused by operating at least one actuator arm. The actuator arm is rotatably mounted on an anchor point on one of the swing arms so that the swing arms, upon operation of the at least one actuator arm, can be pivoted along a direction of adjustment about a pivot point and, thereby, the lateral parts of the base frame are movable in a direction of height adjustment.

The invention relates to a motor vehicle seat with a seat inclination adjustment device, with a first base element, a first seat frame element and a first actuator element, wherein the actuator element has a lower link arm connected to the base element via a lower link and movably arranged relative to the base element, an upper link arm connected to the lower link arm via a middle link and movably arranged relative to the lower link arm, wherein the upper link arm is connected to the seat frame element via an upper link and is arranged movably, and an inclination adjustment fitting with a first and a second fitting part, and wherein the inclination adjustment fitting is arranged on one of the links.

A frame structure of the vehicle seat includes: a seat frame that constitutes a seat surface part of the vehicle seat; a pinion that is rotatably attached to the seat frame, and protrudes from an outer side to an inner side in a vehicle width direction; a drive input gear that is disposed on the inner side in the vehicle width direction with respect to the seat frame, is rotatable about a rotary shaft at a position different from the pinion, and enmeshes with the pinion; a reinforcement member that is disposed between the seat frame and the drive input gear in the vehicle width direction, and is fixed to the seat frame; and a support member that is disposed on the inner side in the vehicle width direction with respect to the seat frame with the drive input gear and the reinforcement member interposed therebetween, supports part of the pinion, and is fixed to the seat frame, and part of the support member comes into contact with the seat frame through an insertion part provided to the reinforcement member.