Patent ID: 7891735

Claim:
A hook member for latching an upholstery material of a vehicle seat comprising a seat frame having a plate body, the hook member comprising: an inner plate piece, an intermediate plate piece and an outer plate piece; a pinching portion that pinches the plate body; a fixing portion that fixes the upholstery material; and an introduction portion configured to define an opening that enables the upholstery material to extend into the fixing portion, wherein the pinching portion includes the inner plate piece and the intermediate plate piece, wherein the fixing portion includes the outer plate piece and the intermediate plate piece, faces an outer side of the plate body when the plate body is pinched by the pinching portion, and is configured to fix the upholstery material between the outer plate piece and the intermediate plate piece, wherein the outer plate piece is longer than the intermediate plate piece, defines the introduction portion and is configured to extend downwardly and inwardly in a length dimension towards the seat frame, and wherein a lower-most portion of the outer plate piece serves as a lower-most portion of the hook member so as to hide the pinching portion when the upholstery material is fixed in the fixing portion.