Abstract: A vehicle seat includes a seat frame made of metal; and a reinforcing member that is locally attached to a portion in which stress concentration occurs in the seat frame, the reinforcing member being attached in a state in which the reinforcing member disperses a stress, the reinforcing member having specific gravity smaller than specific gravity of the seat frame.

Abstract: A back frame of a vehicle seat including: a pair of side frames; an upper frame; and a reinforcing member attached to at least one of the pair of side frames, wherein the at least one of the pair of side frames has a pair of side surface portions and a rear surface portion, wherein the reinforcing member has a pair of side wall portions and a rear wall portion, wherein the rear wall portion is thicker than the pair of side wall portions, and wherein in a state where the reinforcing member is put on the at least one of the pair of side frames, the pair of side wall portions is in contact with and connected to the pair of side surface portions, and the rear wall portion is in contact with and connected to the rear surface portion by bonding or adhesion.

Abstract: A vehicle seat including: a seat adjuster serving as an angle adjustment mechanism of a seat component; a seat frame integrally coupled to the seat adjuster and having a through-hole through which an outer surface portion of the seat adjuster is exposed; and a holding member which holds the seat adjuster in a state of being coupled to the seat frame by being coupled with the outer surface portion of the seat adjuster exposed through the through-hole and protruding outward than the through-hole in a hole diameter direction of the through-hole such that the seat frame is sandwiched between the seat adjuster and the holding member.

Abstract: A vehicle seat including: a seat frame forming a framework of the vehicle seat; and a wire connected to the seat frame and to which an axial force in an axial direction thereof is configured to be applied, wherein a bent portion or a diameter-enlarged portion is provided to at least one end portion of the wire, wherein a flat part of the seat frame is provided with a locking portion into which the bent portion or the diameter-enlarged portion is inserted and which is configured to receive the axial force in an in-plane direction, and wherein a separation preventing member is attached to the flat part and prevents the wire from being separated from the flat part in a state where the bent portion or the diameter-enlarged portion is inserted into the locking portion.

Abstract: A recliner attachment bracket includes a closed-section structural material having a recliner attachment portion. The recliner attachment portion is configured such that surfaces of two plate materials are joined to each other by pressing a central part of the closed-section structural material while hollow closed-section structures are left on both sides of the closed-section structural material. A lower end of the recliner attachment portion is constituted by only one of the plate materials.

Abstract: A vehicle seat includes a skeleton member, panel members that are attached to the skeleton member and has a space inside, and a dynamic damper that is provided with a weight and an elastic body and arranged inside the space. The weight is fixed by being fitted into a fitting part, the fitting part being provided in the elastic body and formed so as to encircle and be able to be fitted to a part of an outer periphery part of the weight. A part other than the fitting part in the elastic body is fixed to the panel members.

Abstract: A vehicle seat includes a seat back, and a headrest that is provided above the seat back. The headrest includes a pair of stays that form a part of a skeleton of the headrest, a pair of panel members that sandwich parts of the pair of stays from front and rear or above and below so as to connect the stays with each other, and are joined to each other through outer peripheries so as to form a space inside and form a part of the skeleton of the headrest, a cushion material that covers the pair of panel members and the parts of the pair of stays, and a dynamic damper arranged inside the space.

Abstract: A vehicle seat includes a seat back and headrest provided with a stay, a pair of panel members that sandwich a part of the stay from front and rear or above and below, and joined to each other through outer peripheries so as to form a space inside, a cushion material formed so as to cover the panel members and the part of the stay, and a dynamic damper arranged inside the space. The dynamic damper has a weight, and an elastic body that fastens the weight and has a leg part extending in a direction away from the weight. A part of the leg part is attached to the pair of panel members by being sandwiched by the pair of panel members.

Abstract: A vehicle seat includes: a first member; a second member; an insertion fastening structure configured to apply an axial tension to an opposed surface portion of the first member and an opposed surface portions of the second member so as to be pressed against each other; and an adjustment member. The opposed surface portion of the second member includes different surface shape portions facing respective surfaces toward directions different from an application direction of the axial tension, and the adjustment member plastically deforms the opposed surface portion of the second member such that the opposed surface portion of the second member, including the different surface shape portions, is pressed and sandwiched between the adjustment member and the opposed surface portion of the first member by the application of the axial tension.

Abstract: A seat frame for a vehicle seat is configured to extend in a specific direction and having a closed cross sectional shape. The seat frame includes: a bent portion having a shape in which a part of a cross section shape of the seat frame is bent inward and outward of the closed cross section; and a shape-changing structure in which a bending shape of the bent portion changes in the specific direction.

Abstract: A vehicle seat including: a seat adjuster serving as an angle adjustment mechanism of a seat component; a seat frame integrally coupled to the seat adjuster and having a through-hole through which an outer surface portion of the seat adjuster is exposed; and a holding member which holds the seat adjuster in a state of being coupled to the seat frame by being coupled with the outer surface portion of the seat adjuster exposed through the through-hole and protruding outward than the through-hole in a hole diameter direction of the through-hole such that the seat frame is sandwiched between the seat adjuster and the holding member.

Abstract: A back frame structure of a vehicle seat, the back frame structure including: a pair of side frames extending in an upper and lower direction; and an upper frame that connects upper end sides of the side frames in a bridging manner, the upper frame including: a main body part having a substantially inverted U-shaped cross-section opened downward; and a cover member attached to the main body part so as to close at least a part of an opening end side in the cross-section of the main body part.

Abstract: A back frame structure for a vehicle seat includes: a pair of right and left side frames extending in an up-down direction; and a lower frame configured to connect a lower end side of the right side frame and a lower end side of the left side frame, wherein: at least one side frame out of the pair of right and left side frames is fitted to one connection portion, which is a connection portion of the lower frame with respect to the one side frame, so as to form one fitting portion; and the one fitting portion is configured such that a geometrical-moment of inertia along an axis extending to a predetermined first direction gradually increases from an upper part of the one fitting portion to a lower part of the one fitting portion.

Abstract: A back frame structure of a vehicle seat including: first and second side frames; and an upper frame that connects the first and second side frames, wherein the first side frame has a constant cross section and the second side frame has a constant cross section, wherein an outline shape of the cross section of the first side frame and an outline shape of the cross section of the second side frame are in line symmetry with respect to a centerline of the back frame in a left and right direction, and wherein a geometrical moment of inertia of the cross section of the first side frame is larger than a geometrical moment of inertia of the cross section of the second side frame.

Abstract: A back frame structure for a vehicle seat includes a side frame extending in an up-down direction, wherein a webbing is disposed in the vehicle seat, and in a plan view, a direction along which a geometrical-moment of inertia of the side frame is at a maximum inclines toward an inner side of the vehicle seat with respect to a front-rear direction.

Abstract: A vehicle seat includes: a seat frame that is provided as a strength member and extends in a specific direction, the seat frame including: a closed section frame having a closed sectional shape and extending in the specific direction, an opened section frame having an opened sectional shape and extending in the specific direction in parallel with the closed section frame, wherein the opened section frame is coupled with the closed section in a state to have a closure forming part and a gradually changing structure, wherein the closure forming part forms a closed sectional shape between the opened section frame and the closed section frame, and wherein the gradually changing structure changes the closed sectional shape formed between the opened section frame and the closed section frame at the closure forming part.

Abstract: A vehicle seat includes: a first member; a second member; an insertion fastening structure configured to apply an axial tension to an opposed surface portion of the first member and an opposed surface portions of the second member so as to be pressed against each other; and an adjustment member. The opposed surface portion of the second member includes different surface shape portions facing respective surfaces toward directions different from an application direction of the axial tension, and the adjustment member plastically deforms the opposed surface portion of the second member such that the opposed surface portion of the second member, including the different surface shape portions, is pressed and sandwiched between the adjustment member and the opposed surface portion of the first member by the application of the axial tension.

Abstract: A vehicle seat including: a seat frame forming a framework of the vehicle seat; and a wire connected to the seat frame and to which an axial force in an axial direction thereof is configured to be applied, wherein a bent portion or a diameter-enlarged portion is provided to at least one end portion of the wire, wherein a flat part of the seat frame is provided with a locking portion into which the bent portion or the diameter-enlarged portion is inserted and which is configured to receive the axial force in an in-plane direction, and wherein a separation preventing member is attached to the flat part and prevents the wire from being separated from the flat part in a state where the bent portion or the diameter-enlarged portion is inserted into the locking portion.

Abstract: A console device provided lateral to a vehicle seat on a vehicle floor, the console device includes a console box provided with a container portion having an open top and a lid provided on the console box to open and close the container portion. A clearance allowing conditioned air to flow out toward a person sitting on the seat is provided between an upper end of a lateral surface of the console box and a lateral end of the lid.

Abstract: A slide rail by which a conveyance seat is slidably coupled to a floor of a conveyance includes: a lower rail attached on the floor; an upper rail slidably assembled to the lower rail and attached to the conveyance seat; and a locking spring supported by the upper rail and having a locking piece that is inserted into a locking slit formed in the lower rail to prohibit the upper rail and the lower rail from sliding relative to each other. The locking piece extends in a direction along a cross-section (the width direction) of the upper rail from a position in the locking spring, at which the locking spring is supported by the upper rail. The locking piece is inserted into the locking slit by deflection deformation of the locking piece in an in-plane direction of the cross-section (the height direction) of the upper rail.