Abstract: In a cushion skin, left and right side surface skin front portions are fixed to a cushion frame of the seat cushion. The left and right side surface skin rear portions are respectively connected to the left and right side surface skin front portions, and each have a lower extending portion extending downward of the rear portion of the cushion pad. The connecting portion is disposed at the lower side of the rear portion of the cushion pad, and connects the distal end portions of each lower extending portion of the left and right side surface skin rear portions in the seat left-right direction. In each lower extending portion, a front side in the seat front-rear direction expands wider outward in the seat left-right direction than a rear side.

Abstract: A seat cover, comprising: a cover main body that is formed by stitching together a plurality of covering pieces at a plurality of seam allowances, and that covers a padding material of a vehicle seat, with a portion of the plurality of seam allowances disposed at a back face side of the cover main body facing the padding material being turned over to lie along a surface of the padding material; and a low friction cloth that is attached to the back face side of the cover main body in a state straddling across the portion of the plurality of seam allowances, and that is interposed between the cover main body and the padding material, with a surface of the low friction cloth that contacts the portion of the plurality of seam allowances having a lower coefficient of friction than a coefficient of friction of the surface of the padding material.

Abstract: The time until a headrest contacts the head of an occupant in the event of a rear collision is shortened with a simple configuration. In a seat device, a stay (46) (including grommets (22)) is set with bending rigidity towards the vehicle front lower than the bending rigidity towards the vehicle rear. Accordingly, when the headrest oscillates in the event of a vehicle rear collision, the headrest is initially displaced towards the vehicle rear, however the headrest changes direction in a short time and begins to be displaced towards the vehicle front. Moreover, there is a large displacement of the headrest towards the vehicle front since the stay (46) (including the grommets (22)) has a lower bending rigidity towards the vehicle front than the bending rigidity towards the vehicle rear. The time until the headrest contacts the head (H) of the occupant can accordingly be shortened.

Abstract: A seat cover, comprising: a cover main body that is formed by stitching together a plurality of covering pieces at a plurality of seam allowances, and that covers a padding material of a vehicle seat, with a portion of the plurality of seam allowances disposed at a back face side of the cover main body facing the padding material being turned over to lie along a surface of the padding material; and a low friction cloth that is attached to the back face side of the cover main body in a state straddling across the portion of the plurality of seam allowances, and that is interposed between the cover main body and the padding material, with a surface of the low friction cloth that contacts the portion of the plurality of seam allowances having a lower coefficient of friction than a coefficient of friction of the surface of the padding material.

Abstract: A vehicle seat comprising a pair of side frames configuring a portion of a seatback frame serving as framework for a seatback; a deformation origin portion provided to at least one of the pair of side frames and acting as an origin when the side frame deforms due to a collision force imparted to the seatback frame during a rear-on collision; and a deformation suppression unit provided to the side frame provided with the deformation origin portion, permitting deformation of the side frame originating at the deformation origin portion and suppressing deformation of the side frame by a reference amount or greater by the deformation suppression unit making contact with a contacted member provided to the seatback frame when the deformation amount of the side frame has reached the reference amount.

Abstract: A headrest including: a headrest body that supports a head portion of an occupant; a pair of side frame sections that supports the headrest body, the side frame sections extending along a seat height direction and disposed at a separation from each other along a seat width direction; and an inclined wall portion that is provided between the side frame sections, that is inclined towards a seat front-rear direction front side with respect to the side frame sections such that a lower end portion of the inclined wall portion is positioned further to the seat front-rear direction front side than an upper end portion of the inclined wall portion, and that bears load acting on the headrest body from a seat front-rear direction rear side.

Abstract: In a seat device, a stay including grommets is set with bending rigidity towards the vehicle front lower than the bending rigidity towards the vehicle rear. Moreover, there is a large displacement of the headrest towards the vehicle front since the stay including the grommets has a lower bending rigidity towards the vehicle front than the bending rigidity towards the vehicle rear. The headrest can be promptly displaced towards the side of the head of the occupant due to setting the bending rigidity of the stay including the grommets, thereby enabling the time until the headrest contacts the head of the occupant to be shortened with a simple configuration.

Abstract: A headrest including: a headrest body that supports a head portion of an occupant; a pair of side frame sections that supports the headrest body, the side frame sections extending along a seat height direction and disposed at a separation from each other along a seat width direction; and an inclined wall portion that is provided between the side frame sections, that is inclined towards a seat front-rear direction front side with respect to the side frame sections such that a lower end portion of the inclined wall portion is positioned further to the seat front-rear direction front side than an upper end portion of the inclined wall portion, and that bears load acting on the headrest body from a seat front-rear direction rear side.