Part adapted to ensure comfort in a vehicle seat, especially an automotive vehicle seat

Claim 1

An improved vehicle seat back supporting system having a frame, a cushion and a one-piece flexible web whereby the improvement comprises: one-piece integrally flexible plastic web molded into a grid-like structure, said grid-like structure comprising a first pair of spaced-apart generally parallel rib members, a second pair of rib members interconnecting the ends of said first pair of rib members, at least one spacer rib member disposed intermediate said first pair of rib members and interconnecting the mid-portion of said second pair of ribs to provide support and flexibility in the vertical direction, a plurality of cross rib members interconnecting said first pair of rib members and said at least one spacer rib at selected spaced intervals along the length of said first pair of rib members to provide support and flexibility in the horizontal direction, a plurality of strap-like elements integrally formed with and extending intermediate at least selected rib members to prevent the foam of said cushion from extending through said grid, and a plurality of apertures formed in the peripheral portions of said grid-like structure at the intersections of said first pair and second pair of rib members and at the intersection of cross rib members and said first pair of rib members for enabling said grid to be connected to said frame.