A seating system for a vehicle having a seat bottom and a seat back connected to and manually rotatable relative to the seat bottom may include a manually-actuated dump-and-return arrangement for the seat back and a manually-actuated slide arrangement for the seat bottom. It may also include a motor-actuated dump-and-return arrangement for the seat back and a motor-actuated slide arrangement for the seat bottom.

A device for adjusting a seat of a vehicle is capable of implementing functions including adjusting a position of the seat back and forth, a height of the seat up and down, and tilting or the like by using a plurality of actuators having pistons. The functions of adjusting the position of the seat back and forth, the height of the seat up and down, and tilting or the like are carried out by providing connections between a floor panel and a seat cushion frame through a plurality of actuators and a single link, and selectively moving a piston of each actuator back and forth.

A seat position controller performs seat position change processing by performing longitudinal position change processing and at least one of vertical position change processing and tilt angle change processing. When the seat position controller performs the seat position change processing, a change degree setting part sets the degree of speed change in the longitudinal direction of a seat main body during the longitudinal position change processing smaller than the degree of speed change in the vertical direction of the seat main body during the vertical position change processing, and the degree of speed change in a tilt angle direction of a seat back during the tilt angle change processing.

A vehicle seat that includes a lateral occupant support structure that is movable based on a position of a backrest. The vehicle seat includes a lateral occupant support structure setting system that adapts a position of one or more lateral occupant support structures based on one or more of a position of the backrest and movement of the backrest.

A vehicle seat, which is provided in a vehicle equipped with a head portion protecting airbag that protects a head portion of a vehicle occupant at a time of a side collision, includes: a head portion restraining portion that is provided at an upper portion side of a seatback so as to be able to tilt rearward from an upright state, and that restrains a head portion of a vehicle occupant, wherein, when the seatback is tilted rearward beyond a predetermined angle with respect to a vertical direction, the head portion of the vehicle occupant can be protected due to at least a side portion that is at a vehicle transverse direction outer side of the head portion restraining portion covering a side of the head portion of the vehicle occupant.

A vehicle seat includes: a seat cushion; a seatback that is rotatably connected to a seat rear side of the seat cushion; a headrest that is provided at a seat upper side end portion of the seatback, and that is configured to support a head portion of a vehicle occupant; and a hardness changing section that changes a hardness of a seat front side of the headrest by compressing a pad at an interior of the headrest, in a case in which an angle of inclination of the seatback with respect to the seat cushion is smaller than a predetermined angle, and canceling a compressed state of the pad, in a case in which the angle of inclination is larger than the predetermined angle.

A vehicle seat (10, 100, 200, 300, 400) includes a seat base (14,114, 214, 314, 414) a backrest (12, 112, 212, 312, 412) with a seat base and backrest pivot connection between the seat base and the backrest. An armrest (16, 216, 216, 316, 416) is connected to the vehicle seat at an armrest to vehicle seat support connection (20,120, 220, 320, 420). An armrest linkage system changes an inclination of the armrest relative to the backrest upon changes in inclination of the backrest relative to the seat base, over a pivot range of motion of the backrest relative to the seat base. This may maintain the inclination of the armrest relative to the seat base and the seat floor or may change the inclination of the armrest relative to the seat base and the seat floor.

A reversible seat for an automotive vehicle having a head restraint which rotates to a fold flat position between a forward-facing position and a rearward-facing position as the seat is moved between opposing forward-facing and rearward-facing positions. The head restraint folds towards the seat back as the reversible seat passes through the peak of its locus to increase clearance with a headliner of the automotive vehicle. The head restraint returns to an upright inclined position as the seat reaches the opposing position.

An adjustment device for the automatic seat position change in a vehicle from an actual setting into a predefinable target setting including an electronic control unit for automatically setting at least one actuator for adjusting at least one seat-position-dependent adjustable vehicle component depending on detected vehicle occupant data. In this case, the control unit has an analysis unit for determining an efficiency-oriented adjustment space requirement for the adjustment of the actual setting into the target setting depending on the vehicle occupant data and the vehicle interior geometry.

A decentralized seat control system for seats, each seat having several linearly or angularly movable seat elements. The control system includes a serial data bus; a power supply; smart devices with drives connected to the serial data bus and the power supply, each smart device having a basic function and selectably functioning as an active system master; non-smart devices lacking a control function; a smart control device for controlling the non-smart devices; and a program control unit, wherein the active system master provides control commands to the other smart devices.