A vehicle seat includes a seat cushion and a seat back. The seat cushion includes a storage member configured to store fine particles, shaped into a bag, and made of a flexible and gas-impermeable material, and a gas supply/suction member. The gas supply/suction member fluidizes the fine particles stored in the storage member by supplying the gas to the storage member to make it easy to change a shape of the storage member. The gas supply/suction member solidifies the fine particles stored in the storage member by sucking the gas from the storage member to make it hard to change the shape of the storage member. The storage member includes a rigid inclined member disposed on at least one end of a periphery of the storage member and configured to be inclined downward from an outer periphery of the seat cushion toward a center of the seat cushion.

A vehicle seating assembly includes a cushion supported by a seat frame and a retention device disposed laterally through the cushion in front of a predetermined H-point so as to be able to restrain a seated occupant. The retention device is selectively deployable from a design position to a deployed position in response to a sudden deceleration of a vehicle.

A vehicle seat that includes: an inflator that is disposed at a seat front end portion, inside a seat portion of a seat cushion, and that generates gas by operating; a first bag portion that is disposed inside the seat portion, that internally houses the inflator, and that, by being supplied with gas from the inflator, is inflated in a longitudinal direction, which is a seat front-rear direction; and a second bag portion that is disposed inside the seat portion on a seat rear side of the first bag portion and communicates with the first bag portion, that has a longitudinal direction extending in a seat width direction, and that has a length in the seat width direction which is longer than that of the first bag portion.

Aspects of the disclosure relate to reducing the likelihood of injury to a passenger in a collision. In one example, a system for reducing the likelihood of a passenger submarining, may include a restraining device for restraining the passenger. A second restraining device for further restraining the passenger may also be included in the system. A locking mechanism may be configured to prevent a seat back from reclining when the second restraining device is not activated.

A vehicle seat includes a seat cushion including: a pad; and a support portion which supports the pad. The support portion deforms in accordance with a load applied to the pad, and allows sinking of the pad due to the deformation, and a deformation amount per unit load of the support portion, in a high load range equal to or greater than a predetermined load, is smaller than a deformation amount per unit load of the support portion, in a low load range less than a predetermined load.

An occupant protection device, for a vehicle which protects an occupant seated on a seating surface of a seat, includes: a first push-up mechanism which pushes up a waist portion of the occupant by raising a rear portion of the seating surface; a second push-up mechanism which pushes up a thigh portion of the occupant by raising a front portion of the seating surface; and a control unit which controls operations of the first push-up mechanism and the second push-up mechanism. The control unit operates the first push-up mechanism and then operates the second push-up mechanism when an impact applied to the vehicle from the front of the seat is detected or predicted.

A vehicle seat structure includes a vehicle seat including a seat cushion and a seatback, and a pushing apparatus provided inside the seatback at a predetermined height. The pushing apparatus includes a pushing portion that, at a time of a vehicle collision in which an occupant sitting on the vehicle seat moves to a seat forward side, pushes a portion of a seat front face of the seatback to the seat forward side.

Provided is a conveyance seat in which an increase in size is suppressed while an impact to be applied to a seated occupant when an impact such as a collision is generated is properly absorbed. A vehicle seat includes a seat cushion. The seat cushion includes a seat cushion frame including a pair of side frames provided to be separated from each other in a width direction of the vehicle seat, a seat cushion pad placed on the seat cushion frame, and an impact absorbing member provided below the seat cushion pad. The impact absorbing member is disposed between the pair of side frames in the width direction of the vehicle seat. The impact absorbing member is provided with a cavity portion. The impact absorbing member is supported from below by a plate-shaped member.

Aspects of the disclosure relate to reducing the likelihood of injury to a passenger in a collision. In one example, a system for reducing the likelihood of a passenger submarining, may include a restraining device for restraining the passenger. A second restraining device for further restraining the passenger may also be included in the system. A locking mechanism may be configured to prevent a seat back from reclining when the second restraining device is not activated.

An anti-submarining seat structure includes a seat frame, upholstery, an anti-submarining device, a sensor and a controller. The upholstery overlays the seat frame at least partially forming a seat cushion portion with a cavity between the seat frame and a portion of the upholstery adjacent to a front area of the seat frame. The anti-submarining device is installed within the cavity and is configured to transition from an unactuated orientation to an actuated orientation. In the actuated orientation, the anti-submarining device forms a restraining structure proximate the front area of the seat cushion portion. The sensor is configured to detect rapid changes in acceleration and velocity of the vehicle body structure. The controller is connected to the anti-submarining device and the sensor and is configured to actuate the anti-submarining device in response to signals from the sensor indicating a rapid change in acceleration and velocity of the vehicle body structure.