Provided is a vehicle seat capable of stably supporting buttocks of a seated occupant in an adaptive manner according to each right-to-left width of the seated occupant's body, which width is different from occupant to occupant, during a turn of a vehicle. The vehicle seat includes a seat cushion (2) having a seat surface (8) and configured to support buttocks of the seated occupant from below, and a right and left pair of side supports (9, 9) provided on right and left sides of the seat surface, which side supports bulge upward to be higher than the seat surface and allowed to laterally support the buttocks of the seated occupant from either side. Each of the right and left pair of side supports (9, 9) is movable individually in the right-to-left direction with respect to the seat surface. During a turn of the vehicle, one of the side supports on an outer side of the turn is moved inward so as to support the buttocks of the seated occupant from the outer side of the turn. When the turn of the vehicle is completed, the moved side support is returned to its original position.

Provided is a vehicle seat for use with an occupant classification system (OCS). The seat comprises: a seat base including a seat base support, and a cushion pan mounted on the seat base support and forwardly moveable on the support to extend the seat base. The seat further comprises an intermediate layer fixed with respect to the seat base support and adapted for fastening to a component of the OCS so that when the seat base is extended by the cushion pan moving forward with respect to the seat base support, the intermediate layer does not move forward with the cushion pan but remains substantially stationary. The relationship between the various OCS components can therefore be maintained irrespective of the extension of the seat base.

A seat cushion extension device is provided which can slide a seat cushion via a single spring, and has high assembly efficiency and a low weight due to a simple structure. The seat cushion extension device includes: a base having first and second rack gears provided to face each other; a cushion part provided on an upper portion of the base to move forward/backward; a locking gear part combined with a shaft extending from the cushion part to the base and having a first gear provided to be engaged with the first and second rack gears; and a manipulation part combined with the cushion part to move forward/backward between the cushion part and the first gear, and having a protruding part provided on a lower surface thereof.

A passenger seat comprises a backrest, a seat element and a size increasing mechanism which is configured to convert a weight acting on the seat element when a user sits in the passenger seat into an increase in the depth of a seat pan of the seat element that can be used by the user from a rest-position depth to a to an operational-position depth.

A thigh support, a seat and a vehicle are provided. The thigh support includes a thigh-support fixing portion, a thigh-support moving portion, a thigh-support driving portion, and a thigh-support bracing portion disposed to the thigh-support fixing portion and located at a rear side of the thigh-support moving portion, in which the rear edge of the thigh-support moving portion is provided with a rear edge recessed portion recessed forwards, a front edge of the thigh-support bracing portion is formed with a front edge protruding portion protruding forwards, and the front edge protruding portion matches the rear edge recessed portion in shape. The seat and the vehicle have the above thigh support.

An occupant support includes a seat frame and a module assembly. The module assembly is arranged to cover the seat frame.

A seat assembly having an extendable thigh support. The extendable thigh support may include an attachment sled that may be moveably disposed on a lower guide and a seat cushion extension sled that may be moveably disposed on an upper guide. A linkage mechanism may operatively connect the attachment sled to the seat cushion extension sled.

A passenger seat comprises a backrest and a seat element that includes a first portion adjoining the backrest and a second portion that can pivot between a rest position and an operational position. In the operational position, the second portion of the seat element increases a depth of a seat pan of the seat element that can be used by the user. A locking mechanism is configured to prevent a pivoting movement of the second portion of the seat element from the operational position thereof into the rest position thereof when a weight of a user sitting in the passenger seat acts on the seat element.

A motor vehicle seating assembly comprises a seat frame, a cushion fixedly attached at a first end thereof to the seat frame, and a motor disposed on the seat frame and operably coupled with a displaceable second end of the cushion, wherein actuation of the motor operates the cushion between an extended position and a retracted position.

An aircraft seat device for an aircraft seat includes at least one mounting unit, having at least one seat bottom which is coupled with the mounting unit and is configured to implement a seating region and to this end has at least one main unit and at least one sub-unit that in relation to the mounting unit is implemented so as to be adjustable between a stowage position and a use position. The at least one adjustable sub-unit is configured for enlarging the seating region in at least one position, and having at least one actuation mechanism by means of which the adjustable sub-unit of the seat bottom is adjustable between its stowage position and its use position.