An aircraft passenger seat configured to facilitate ergonomic alignment of a passenger while in a sleeping position, including a seat bottom; and a seatback including a central opening corresponding to a shoulder region of a passenger, and a sleep support assembly mounted within the central opening, the sleep support assembly including an adjustable support member spanning a central portion of the seatback, where the adjustable support member is configured for at least one of translation and deformation; where, when the seat bottom is aligned with the seatback in a lie-flat seating position, a load provided by the shoulder region of the passenger, at least in a side-sleeping position, causes translation and/or deformation of the adjustable support member toward a floor of an aircraft cabin, thereby facilitating ergonomic alignment of the spine.

A vehicle seat comprises a seat cushion frame configuring a frame member of a seat cushion, and a seat unit that is supported by the seat cushion frame and on which an occupant sits, that has a higher seating face rigidity in a seat front-rear direction than a seating face rigidity in a seat width direction, and that has the seating face rigidity in the seat width direction set lower at a seat front-rear direction rear side than at a seat front-rear direction front side.

Described are passenger seat bottom assemblies that include a layered seat bottom assembly formed of a first face sheet, a lightweight core layer, and a second face sheet bonded together, preferably in a flat or substantially flat arrangement. The core layer can be a honeycomb structure, e.g. a metal or aluminum honeycomb, or a foam, that confers a high strength and stiffness to the seat bottom assembly with minimal forming and minimal weight.

A vehicle seat includes; a pair of frame members, the frame members forming a frame of at least one of a seat cushion and a seat back and being disposed at positions surrounding a seat region supporting an occupant with an interval therebetween; and a cloth spring member bridged between the frame members to cover the seat region. The cloth spring member has a shorter length in a bridging direction at least on one end side of the frame member in a longitudinal direction of the frame member than in a center portion of the frame member in the longitudinal direction; and the cloth spring member has elasticity.

A seat back suspension assembly for a vehicle, disposed in a seat back frame inside a vehicle seat, may include a main wire including side wires extending in a vertical direction at left and right side thereof; at least one first support wire extending in a horizontal direction between the side wires at both sides thereof to allow both ends thereof to contact the side wires; at least one second support wire disposed to be spaced from the first support wire and extending in a horizontal direction between the side wires at both sides thereof to allow both ends thereof to contact the side wires; and a side guide injection-molded to cover the side wire and end portions of the first and second support wires contacting the side wire.

To improve steering operability in a driver's seat, and to improve posture maintaining capability at the time of turning in the driver's seat and a seat other than the driver's seat. In a vehicle seat including a seat, a seat backrest, and a headrest, the seat backrest has a seat backrest frame formed in a frame shape and a net disposed to stretch in the seat backrest frame. The net has a first string portion arranged radially.

A seat pan for a vehicle seat. The seat pan includes a rear portion and a front portion. The seat pan includes a flexible area arranged between the rear portion and the front portion, said flexible area enabling the front portion to be arranged in a tilted state relative to the rear portion and wherein the seat pan is formed in a single piece.

A method of upholstering a seat having a seating frame, and a corresponding attachment assembly, comprises providing a diaphragm generally having a weave of warp and weft yarns with an attachment member for installation of the diaphragm to the seat. The attachment member comprises an adapter strip and a coil member. The coil member is adapted to be intertwined with the weave of the diaphragm and thereafter inserted into and held by the channel in the seating frame. The adapter strip may be connected to the coil member to facilitate feeding the assembly through the channel in the seating frame. Alternately, the adapter strip can replace the channel in the seating frame and instead provide a mounting structure to which the diaphragm can be attached through the coil member's engagement with the adapter strip. A retainer sheet may also be used to maintain a desired tension of the diaphragm during installation.

To provide a seat having a high cushioning property, excellent in a drainage property, and suitable for outdoor use. A belt-shaped support member 30 for seat back is supported on an upper portion of a seat back frame 10, a belt-shaped support member 40 for seat cushion having end portions 42, 43 connected to a front portion of a seat cushion frame 20 is connected to a lower portion of the belt-shaped support member 30 for seat back, and a base support member 50 is disposed on a seat cushion. A surface cushion layer 60 with which a cushioning part for seat back and a cushioning part for seat cushion are integrally formed is disposed by being supported on the upper portion of the seat back frame 10 and the front portion of the seat cushion frame 20. The end portions 42, 43 of the belt-shaped support member 40 for seat cushion connected to the front portion of the seat cushion frame 20 work as a fulcrum for supporting a portion from the waist to the vicinity of the pelvis of a seated person, and an upper portion of the surface cushion layer 60 supported on the upper portion of the seat back frame 10 works as a fulcrum for supporting a portion from the femoral region to the vicinity of the hip of the seated person.

A vehicle seat has a foot and/or calf support, a lower seat part which has a seat surface and can be coupled to a vehicle structure having an interior floor in a preferably longitudinally displaceable manner, and a backrest having a backrest surface. The foot and/or calf support has a support surface that is arranged in front of the lower seat part and is movable between a stowed position and a use position. The foot and/or calf support is arranged with a first seat-side edge in front of, on or under the lower seat part and includes a free edge which is remote from the seat-side edge and is arranged in front of the lower seat part so as to be spaced apart from the lower seat part and is coupled to the vehicle structure. The foot and/or calf support is formed by or has at least one support element having the support surface, the support element being designed as an at least two-dimensionally flexible sheet material.