Abstract: A chair has a seat shell, a cushion having a front edge which extends outwardly beyond a front edge of the seat shell, a shaft arranged under a seat surface, an actuating element connected with the shaft and also connected with the front edge of the cushion, at least one first toothed disc arranged on the shaft, an endless element guided on the toothed disc and connected with the seat shell, a second toothed disc which together with the first toothed disc is displaceable parallel to the seat shell, so that by raising or lowering of the actuating element the front edge of the cushion is displaceable forwardly or rearwardly.

Abstract: A vertical movement apparatus for a vehicle seat includes a first bracket adapted to be secured on a floor side member, a second bracket arranged to be adjustable relative to the first bracket, a sector gear disposed between the first bracket and the second bracket, and a braking mechanism having a pinion gear that meshes with the sector gear. The first bracket and the second bracket are pivotally connected to each other and the sector gear is pivotally connected to the second bracket and engages the first bracket via a slide member secured on the sector gear.

Abstract: A seat pad adjusting structure of a chair includes a base having a first side formed with an oblique catch extending downward in an inclined manner, and a second side provided with a backrest connecting bracket, a bottom plate mounted on the base and including a base plate secured on the base, an elongated hollow flexible member having a first side formed on one side of the base plate, a swingable flap formed on a second side of the flexible member and located above the oblique catch of the base, and an elongated elastic pad mounted in the flexible member, and a seat pad, mounted on the base plate.

Abstract: A vehicle seat has a rear cushion part and a front cushion part which is movable relative to the rear cushion part for adjusting the depth of the vehicle seat. The front cushion part and the rear cushion part are designed and constructed separate from each other and covered with a common cover.

Abstract: An aircraft passenger seat is formed of a mounting frame having a tilt axis about which a seat part containing a seating surface and a backrest is tiltable. To ensure simple measures for adjusting the seat part with little movement in a region of the front edge, the tilt axis is disposed in a middle portion of the seating surface and a device is provided in a front portion of the seating surface which reduces the thigh pressure in the front portion of the seating surface on reclining the seat part. This may be achieved for example by a forwards downswept outer contour of the seating surface in the front portion.

Abstract: An adjustable vehicle seat comprises a structurally fixed part, at least one adjustable part mounted for moving relative to the structurally fixed part, and an inflatable cushion positioned between the adjustable part and the structurally fixed part. The inflatable cushion is operative for pneumatically adjusting the position of the adjustable part relative to the structurally fixed part. The pneumatic adjustment of parts of the vehicle seat has the advantage that the compressed air supply which is already available can be shared, making additional electric motors for adjustment purposes unnecessary.

Abstract: Apparatus for use in an easy chair for manual fore and aft, longitudinal adjustments of the seat cushion. A flexible seat cushion rests upon a carriage assembly. The carriage assembly has a pair of straight, laterally spaced-apart, fixed tracks and, longitudinally coplanar therewith, a pair of pliable tracks that extend rearwardly from the fixed tracks. The fixed and pliable tracks are received by, and slidably engage, a pair of laterally spaced-apart channels mounted between vertical frame supports of the chair. The channels extend rearwardly from a front portion of the chair, behind and downwardly from the back of the chair. When fully retracted, the carriage assembly and seat cushion likewise extend partially behind and down from the back of the chair. The carriage assembly can be locked in any one of a plurality of positions by manual manipulation of a handle attached to a bale.

Abstract: A seating unit is provided having a base assembly, a back frame pivoted to the base assembly for movement between upright and reclined positions, and a seat slidably supported on the base assembly and pivoted to the back frame so that the seat moves forwardly and its rear moves forwardly and downwardly with the back frame upon recline. A flexible back is connected to the back frame at top and bottom locations and is provided with lumbar adjustment for improved lumbar force/support and shape. A seat is provided with seat depth adjustment and with active and passive thigh flex support. The seat includes a front section adjustably and/or flexibly supported on a rear section for optimal comfort while supporting a seated adult user's thighs, With the rear section being configured to carry a majority of the weight of a typical seated adult user. A novel energy mechanism is provided that includes a moment arm shift adjuster for adjusting the spring tension on the back frame.

Abstract: An adjustable vehicle seat comprises a seat cushion positioned on both a seat-shell front part and a seat-shell rear part. The seat-shell front part is formed separately from the seat-shell rear part and mounted for moving relative to the seat-shell rear part, so that the seat-shell front part can be adjusted relative to the seat-shell rear part. As a result of the fact that the seat-shell front part and the seat-shell rear part are formed separately, and the seat-shell front part can be adjusted, in particular independently of the seat-shell rear part, the seat-shell front part can be adapted individually to the seat user in inclination and/or length of the seat surface.

Abstract: Provided is a vehicle seat assembly which can prevent a submarine phenomenon in a reliable manner, and which is simple in structure so as to allow a high level of flexibility in layout. A slip preventing member for preventing the vehicle occupant from slipping forward under the seat belt in case of an impact is supported by a fixed part of a seat so as to be pivotable between a retracted position and a raised position, and an actuator is interposed between a fixed part of said seat and a part of said slip preventing member. To retain the slip preventing member at its raised position even after the power of the power unit is all used up, the assembly further includes a lock mechanism for retaining said slip preventing member at said raised position.

Abstract: A chair has a seat surface having a front region which is turned downwardly and is pullable rearwardly under the seat surface for reducing a seat depth.

Abstract: A sleeper seating unit for an aircraft, and including a primary seat having a seat frame for being stationarily-mounted to the aircraft deck, a seat back for being selectively moved by a seat occupant among fully upright, semi-reclined and fully reclined positions, a scat bottom for moving between retracted and extended positions in coordination with the seat back, and an ottoman for being positioned on the deck forward of the primary seat. The ottoman has a top cushion positioned on a top surface thereof and a leg rest cushion positioned on a side of the ottoman facing the primary seat. The leg rest cushion is movable between positions wherein when the primary seat is in an upright position, the leg rest cushion is positioned at an angle to engage and support the bottom of the feet, and when the primary seat is in a reclined position, the leg rest cushion is in a generally horizontal position adjacent to and forming an extension of the seat bottom.

Abstract: A seat, for example, a wheelchair, comprises a seat part, a backrest part, armrests, and footrests. The seat part and the backrest part have a commonly adjustable width, e.g. the side support portions can essentially be inserted into portions of a central frame part, and transversal bars in the backrest have adjustable widths. The seat part also has adjustable front and rear edges, obtained by adjusting adjustable front and rear support portions. The inclination of the backrest is adjusted by clamping screws mounted in side plate portions provided with slots. The height of the backrest can also be adjusted by displacing an upper portion thereof. The inclination of the footrests is varied by moving hinges having a large frictional force normally holding them stationary.

Abstract: A seat includes a seating platform having a front, a back, opposite sides and a base for supporting the platform above a support surface so that a person can sit on the platform with feet engaging the support surface. A pair of mirror-image thigh restrainers are mounted to the platform at the opposite sides thereof, the restrainers being movable in opposite directions between upright positions wherein they curve toward one another above the platform so that they can engage over the thighs of a person sitting on the platform and a stowed position wherein the thigh restrainers extend down below the platform.

Abstract: An adjustable chair device and method of use for supporting a user in either a traditional seated position in which a pair of legs of the user rest upon a floor, or in a relaxed seated position in which the legs of the user are supported above the floor, provides a base supporting an aft cushion assembly, a forward cushion assembly, and an upwardly extending seat back which cooperate to support the user in a seated position. The forward cushion assembly is adjustably attached to the aft cushion assembly with an adjustment assembly that allows both horizontal and vertical adjustment of the forward cushion assembly.

Abstract: A seat structure for a chair which has a frame with a front frame section and a rear frame section, the front frame section and rear frame section being joined by an articulation joint such that the front frame section may be articulately moved with respect to the rear frame section. There are provided stopper means to limit the degree of articulation of the front frame section. There is also provided means for connecting the front and rear frame sections together.

Abstract: A vertical movement apparatus for a vehicle seat includes a first bracket adapted to be secured on a floor side member, a second bracket arranged to be adjustable relative to the first bracket, a sector gear disposed between the first bracket and the second bracket, and a braking mechanism having a pinion gear that meshes with the sector gear. The first bracket and the second bracket are pivotally connected to each other and the sector gear is pivotally connected to the second bracket and engages the first bracket via a slide member secured on the sector gear.

Abstract: An adjustable chair for vehicles in which the frame structure is easy to manufacture and includes few components while still providing adjustment in several directions. By adjustment in several directions, it is meant, for example, adjustment of the length of the chair seat, as well as the height of the back of the chair. By manufacturing each frame in one piece with integrated attachments and similar, it is also possible to utilize the same frames for both manually and electrically operated chairs. The chair includes a seat part and a back part each of which have several possibilities for adjustment for individual and ergonomic adaption of the chair; including the aspects of length, height, side support and lumbar support. An operator is provided for adjusting the seat and the back parts, together with components that form parts thereof.

Abstract: Multi-function, adjustable seats and methods and systems for their manufacture and utilization are disclosed. Such seats are especially, although not exclusively, designed for use in commercial aircraft in response to consumer requests for enhanced comfort during long-haul flights. In addition to providing rocking motion, the seats have bottoms whose lengths are adjustable and provide stowable tables adapted not only to permit vertical adjustment, but also to tilt out of a horizontal plane and latch in an as-tilted position to function as a rest for a book, magazine, computer, or other object. Digital control technology, including a touch screen or similar device, may be employed to actuate features of the disclosed seats.

Abstract: A child seat, in particular for a motor vehicle, has a seat-surface structure, which extends generally in a longitudinal direction and defines the seat surface, and a backrest. One part of the seat-surface structure can be adjusted and secured in the longitudinal direction relative to those remaining parts of the seat-surface structure which define the seat surface. A substructure that carries the seat-surface structure is operative so that the inclination of the seat-surface structure can be adjusted relative to the substructure. A belt-retaining device is carried by the backrest and operative in one operating mode to clamp the seatbelt, in response to the seatbelt traveling in a first pulling direction, and to release the seatbelt, in response to the seatbelt traveling in a second pulling direction. In another operating mode, the belt-retaining device loosely surrounds the seatbelt.

Abstract: A task chair has a buttocks portion, with a size sufficient only for the bottom of a person sitting on it, and a thigh support separate from it. The thigh support is displaceable to at least partway under the buttocks portion and can be pulled forward while under the buttocks portion. As a result, the length of the seat surface can be adjusted to the body size of a person using the stool. The guide for the displacement is curved. The front edge of the buttocks portion is formed by padding that tapers in wedge-like fashion. The front part of the cushion rests on the thigh support, and the rear part is retained by a bearing shell. The buttocks portion can be designed to be pivoted together with the backrest.