Fold down multi-purpose vehicle seat back core with inmolded metal reenforcing member

Claim 1

A load floor for the core of a fold down vehicle seat or the like automotive structural member comprising A. a hollow blow-molded member of synthetic resin whose overall thickness is substantially less than its size and which is generally rectangular in configuration, B. including a pair of generally parallel walls extending over substantially all of said member and having a peripheral connecting wall joining them around the member, C. a plurality of tying links extending between the parallel walls on the interior of the member and comprising: i. each such link being integral with a first parallel wall and comprising an indented formation having a bottom which is generally parallel with said first parallel wall from which the indented formation extends, ii. the depth of the indented formation being such as to carry the said bottom into engagement with the interior surface of the second and opposite parallel wall and forming a web therewith which is approximately twice the thickness of either of the parallel walls, iii. the indented formation being produced during the blow-molding operation whereby the said bottom and the said portion of the respective parallel walls are permanently welded together, D. said tying links being distributed throughout the entire area of said member whereby to rigidify and strengthen said member throughout its area to serve as weight support, E. said member having means to accommodate if not enable securement of automotive hardware, and F. at least one of said indentations extending a substantial distance along the length of said load floor and having a channel shaped reenforcing member of metal locked to the bottom and sides thereof.