Patent ID: 9592755
Date: 2017-03-14
CPC Classifications: B60N,B60R

Claim:
1. A vehicle seat comprising: a seatback that holds an upper torso of an occupant; a headrest that is provided above the seatback, the headrest including a pad portion that supports a head of the occupant and a support member that projects out from the pad portion and supports the pad portion; an attachment portion that is fixed to the seatback; a retaining member that is attached to the seatback via the attachment portion, the retaining member having an insertion hole into which the support member is inserted; a front side restriction portion that restricts bending of the retaining member towards a vehicle front at a vehicle front side part of the retaining member and the attachment portion; and a pair of rear side restriction portions that restricts bending of the retaining member towards a vehicle rear at a vehicle rear side part of the retaining member and the attachment portion; wherein: one of the pair of rear side restriction portions being located on a headrest side with respect to the front side restriction portion, such that the retaining member has a bending rigidity towards the vehicle front lower than a bending rigidity towards the vehicle rear; the retaining member is formed in a tube shape, and the pair of rear side restriction portions are provided in an axial direction of the retaining member such that each rear side restriction portion projects from the retaining member towards the vehicle rear; the front side restriction portion is disposed in the axial direction of the retaining member between the pair of rear side restriction portions such that the front side restriction portion projects from the retaining member towards the vehicle front; wherein the front side restriction portion fills a space between an inner wall of the attachment portion and the support member, the retaining member comprises front side voids on the vehicle front side portion of the retaining member, which voids leave respective spaces between the attachment portion and the support member, the spaces straddling the front side restriction portion axially, and the pair of rear side restriction portions fill a space between the inner wall of the attachment portion and the support member axially above and below a rear side void formed in the vehicle rear side part of the retaining member such that the rear side void leaves a space between the attachment portion and the support member on a rear side of the retaining member between the pair of rear side restriction portions.