A vehicle seat includes a support structure, a seat surface (14) and a molded polymeric frame (18). The frame has an edge region and the seat surface (14) is mounted to the frame (18) and the frame is mounted to the support structure. At least a portion of the edge region is flexible.

A seatback support shell for a vehicle seat includes a shaped resinous sheet defining a top side, a bottom side, a first lateral side, and a second lateral side when the seatback support shell is positioned in a vehicle seat. The shaped resinous sheet has a convex section and a non-convex section with the convex section being positioned below the non-convex section when the seatback support shell is positioned in a vehicle seat.

A headrest support having a hollow cylindrical shape and into which a headrest stay is inserted, is inserted into a bracket that has a hollow cylindrical shape and is fixed to a seat back frame. A protrusion, a tip end of which is a pivot center of the headrest support, formed such that a protrusion amount thereof increases in response to insertion of the headrest stay, is provided on an outer peripheral surface of this headrest support.

There is provided a seatback frame integrally formed by resin molding, the seatback frame including: an upper side frame section that includes a headrest retaining portion that extends along a seat width direction; a pair of side frame sections that extend along a seat up-down direction; and a reinforcing section that is formed in the upper side frame section by forming plural recessed portions, at least from the headrest retaining portion to the seat width direction end portion, wherein at least one or more of the recessed portions is open toward the seat rear side so as to provide a first wall face at the seat front side; and another one or more of the recessed portions is open toward the seat front side so as to provide a second wall face at the seat rear side.

A kayak seat is provided that includes a seat base, and a seat pan supported by, and attached to, the seat base. The seat pan is made from a flexible material such that the seat pan is configured to be adjustable. The seat pan is configured to support the pelvis and thighs of a user seated in the seat pan. A seat back is attached to the seat base. A first adjustment mechanism is configured to adjust a position of the seat pan from a single point of adjustment. A second adjustment mechanism is configured to adjust a position of the seat back.

Provided is a conveyance seat in which a duct connected to a fan can be compactly disposed, and the fan is provided in a pan-frame-type seat cushion. The vehicle seat includes a seat cushion (S2) and a blower (48) provided in the seat cushion (S2). The seat cushion (S2) is provided with a plate-shaped pan frame (42). The blower (48) is provided below the pan frame (42), a duct (49) is connected to the blower (48), and an opening (42a) through which the duct (49) extends is formed in the pan frame (42).

A seat back assembly for a vehicle such as an automobile or an aircraft includes a foam support structure. The foam support structure panel is configured to provide a support structure against which the upper body and/or back of a user rests in use. The foam structure may include two or more regions having different foam density and/or firmness.

Described is a passenger seat that includes a seat bottom assembly (201) with a forward edge and a rear edge and a seat back assembly (101) extending up from the rear edge of the seat bottom assembly (201). The seat back assembly (101) may include a frame (103), a plurality of panels (104-107) within a perimeter of the frame (103), and at least one attachment member (161) configured to attach the plurality of panels (104-107) to the frame (103). The seat bottom assembly (201) may include a frame (203) and a plurality of panels (204,205,206) within a perimeter of the frame (103).

A seating system for a vehicle has a positioning insert configured for attachment at a predetermined location to a portion of a seat cushion arrangement forming a part of the seating system such that the positioning insert facilitates positioning a seated occupant at a desired fore-aft position. The positioning insert may include a first side having a generally arcuate portion configured to be oriented toward a seated occupant and to receive a seated occupant's buttocks to facilitate positioning of the seated occupant at the desired fore-aft position.

A vehicle seat and frame thereof which minimize the size of an attachment mechanism of a support structure for supporting the back of a seated person are provided. A seat frame has side frames positioned at right and left sides of a seat back frame and extending in an up to down direction. The side frame has a side portion extending along a side portion of the seat, a rear portion projecting from a rear end of the side portion to an inner side of the seat, and a support member spanned between the right and left side frames, and receives a load of the seated person. The support member has a connecting portion for connecting to the side frame and is attached to the rear portion of the side frame in a state where the positional relationship between the connecting portion and the side frame is fixed.