A vehicle seat in accordance with the present disclosure includes a seat bottom and a seat back. The seat back is coupled to the seat bottom to move relative to the seat bottom. The seat bottom is coupled to a floor of a vehicle and configured to move relative to the seat back.

A seat having a base support extending under a base of the seat and a squab support extending behind a squab of the seat, the squab support being integral with the base support, the seat presenting a base seating surface upward of the base support and a squab seating surface forward of the squab support, and the seat comprising a first inflatable bladder disposed between the squab support and the squab seating surface for permitting adjustment of the inclination of the squab seating surface relative to the base seating surface.

A vehicle seat including: a seat cushion including: a seating part formed of an elastic body; a side part formed of an elastic body harder than the elastic body forming the seating part; and a rear part; and a seat back including: a backrest part formed of an elastic body; a side part formed of an elastic body harder than the elastic body forming the backrest part; and a rotation-center-side end part; wherein the rear part and the rotation-center-side end part are in contact with each other, and wherein at least one of (i) at least one side portion of the rear part and (ii) at least one side portion of the rotation-center-side end part is formed of an elastic body softer than the elastic body forming the side part of the seat cushion and the elastic body forming the side part of the seat back.

A work machine includes an unload lever swingably supported by an operation box, the unload lever being configured to be swung to select whether or not to supply an operation fluid to the hydraulic actuator. The unload lever includes a second guide pin to move in a first guide groove in accordance with the swinging of the unload lever, the second guide pin being positioned on a first end of the first guide groove when the unload lever is positioned to a pushed-down position and positioned on a second end of the first guide groove when the unload lever is positioned to a pulled-up position. The first guide groove includes a first latch portion to latch the second guide pin at the first end of the first guide groove, and a second latch portion to latch the second guide pin at the second end of the first guide groove.

An attachment of a surface cover to a seat back in a vehicle seat having through-holes is described. A bucket seat includes a pad provided with through-holes, a surface cover configured to cover a front surface of the pad, and a back frame disposed on a back side of the pad. The back frame includes: a support portion provided with through-holes positioned to face the first through-holes, the support portion being configured to support the pad; and retaining portions provided around the through-holes and configured to retain hooks of the surface cover. The support portion and the retaining portions are integrally molded.

A seat assembly is provided having a seat bottom and a seat back mounted adjacent the seat bottom. A cushion is disposed on at least one of the seat bottom and seat back and defines a seating surface. The seating surface has a plurality of regions. A controller is in communication with the cushion and is programmed to independently vary a stiffness of each of the regions along the seating surface.

A seat back of a vehicle seat, including: a side frame provided inside a cushion member in which an accommodation portion is formed; a cover material that covers a surface of the cushion member; an airbag accommodated in a folded state in the accommodation portion; a cylindrical inflator provided in the accommodation portion; a first retaining cloth, one end portion of which is connected to a rupture portion; a second retaining cloth, one end portion of which is connected to the rupture portion; and a joining member that joins together the respective other end portions of the first retaining cloth and second retaining cloth at the accommodation portion, wherein, when viewed along an axis of the inflator, a front end portion of the side frame is disposed forward of the inflator and the joining member is disposed forward of a front end portion of the side frame.

An assembly is provided with a first layer connected to a second layer to form a bladder, with the first layer defining a first aperture therethrough, and one of the first or second layers defining a second aperture therethough. The third layer is connected to the first layer and positioned between the first and second layers within the bladder. The third layer is movable between a first position covering the first aperture, and a second position spaced apart from the first aperture. A seat assembly is also provided.

A kinetic structural component may have a flexible structure having at least one degree of freedom. The flexible structure can be moved between a compressed position and an expanded position or vice versa. The flexible structure may have at least one substructure which is configured, when said flexible structure is in the expanded position, to expand to form a curve or an arc and/or linearly.

A method of method of manufacturing an upholstered chair for a mass transit vehicle includes forming a seat insert and a backrest insert, injection molding a layer of upholstery having enveloping flanges and beads at a periphery thereof, placing the upholstery onto the seat and backrest inserts such that the flanges and beads engage with an underside of the inserts, and attaching the seat insert and the backrest insert onto a chair frame. The flanges and beads secure the upholstery to the seat and backrest insert.