An assembly includes a seat bottom having a rear and a pair of sides extending in a seat-forward direction from the rear. The assembly includes a seatback rotatably supported by the seat bottom. The assembly includes an active actuator operatively connected to the seatback to rotate the seatback about a vertical axis toward one of the sides of the seat bottom.

An assembly includes a seat bottom having a rear and a pair of sides extending in a seat-forward direction from the rear. The assembly includes a seatback rotatably supported by the seat bottom. The assembly includes an active actuator operatively connected to the seatback to rotate the seatback about a vertical axis toward one of the sides of the seat bottom.

A vehicle seat reclining apparatus includes: a protruding portion protruding toward an inner side in a radial direction so as to be abutted by another pawl in a circumferential direction when a specific pawl abuts, in the circumferential direction, against a step formed at a boundary between a first region and a second region; and a restricting portion configured to restrict a movement range of the another pawl regulated by a regulating portion to an inner side in the radial direction than a position where the another pawl and the protruding portion interfere with each other in the radial direction.

A backrest recline mechanism including a first shaft attachable to a first seat assembly component and a second shaft attachable to a second seat assembly component. The first shaft has a slotted ring defining capture slots and an interior annular space. A control ring has a first end disposed in the annular space. The second shaft is engaged with a second end of the control ring. A first collar, having a plurality of release recesses, is rotatably disposed around the slotted ring. First bearings respectively retained within the capture slots are beneath the first collar. In a first rotational position of the first collar, the plurality of release recesses align with the capture slots to rotationally disengage the first and second components. In a second rotational position, the release recesses misalign with the capture slots to rotationally engage the first and second seat assembly components.

An electric seat and an angle adjustment device thereof are provided. The angle adjustment device includes an inner toothed plate and an outer toothed plate engaging with each other, and an eccentric cavity formed therebetween. An eccentric ring completely occupying a positive eccentric region of the eccentric cavity is provided in the eccentric cavity. The eccentric ring has a first accommodating region and a second accommodating region along a circumferential direction. The angle adjustment device further comprises a driving component for driving rotation of the eccentric ring. A damping component is provided in the first accommodating region and/or the second accommodating region, and the damping component is in a compressed state during operation of the driving component. The damping component eliminates a useless stroke in the above operation, thereby eliminating an adjustment lag experienced by a passenger during reverse adjustment of a seat and backrest.

In this vehicle seat reclining device, the annular protrusion of a ratchet has a first region, a second region, and a third region, which are arranged circumferentially, and the outer side surface of the ratchet has a fourth region. The protrusion is shaped so that the third region extends further radially outward than the second region. As a result, the portion of the fourth region, which corresponds to the third region, extends further radially outward than the portion of the fourth region, which corresponds to the second region.

A lock mechanism for controlling a rotating component including an outer shaft attachable to a stationary component and having a slotted ring defining capture slots and an interior annular space, a control ring having a first end disposed in the annular space, an inner shaft attachable to a rotating component configured to rotate relative to the stationary component, and the inner shaft engaged with a second end of the control ring, a first collar rotatably disposed around the slotted ring, the first collar having a plurality of release recesses, and a plurality of first bearings respectively retained within the capture slots beneath the first collar. In a first rotational position of the first collar, the plurality of release recesses align with the capture slots to rotationally disengage the rotating and stationary components. In a second rotational position of the first collar, the plurality of release recesses misalign with the capture slots to rotationally engage the rotating and stationary components.

In this vehicle seat reclining device, the annular protrusion of a ratchet has a first region, a second region, and a third region, which are arranged circumferentially, and the outer side surface of the ratchet has a fourth region. The protrusion is shaped so that the third region extends further radially outward than the second region. As a result, the portion of the fourth region, which corresponds to the third region, extends further radially outward than the portion of the fourth region, which corresponds to the second region.

A vehicle seat comprising a seatback pivoting relative to a frame around the first transverse axis, a seat cushion pivoting relative to the seatback around a second transverse axis, a link pivoting relative to the seat cushion around a third transverse axis, wherein the link is further pivoting relative to the frame around a fourth transverse axis, a mechanism for releasing the angular position of the seatback relative to the frame around the first transverse axis, and an actuator, attached under the seat cushion. The angular position of the seatback relative to the frame released, the actuator commands a movement of the link relative to the seat cushion and consequently of the seatback relative to the seat cushion, from a comfort position of the seat to a flat floor position.

A vehicle seat comprising: a seat cushion; a seat back; an actuator capable of changing an orientation of the seat back laterally by moving a pressure-receiving member; and a controller configured to exercise control over the actuator. The controller includes a posture control unit configured to execute, during turning of a vehicle, a seat posture control under which the actuator is caused to move the pressure-receiving member from an initial position to an advanced position to cause the seat back to orient toward a turning direction. The posture control unit is configured to activate, when an execution time of the seat posture control has become equal to or greater than an execution time threshold value, a control under which the actuator is caused to move the pressure-receiving member from the advanced position to an intermediate position to reversely change the orientation of the seat back.