Patent ID: 7455349

Claim:
A truck platform construction in which a side panel erected at both side edges of a platform on a back surface of a cab has an outer panel which constitutes a side external wall of said platform and an inner panel which constitutes a side internal wall of said platform; said outer panel has an outer bent element formed at an upper edge thereof and an outer through hole formed in said outer bent element; said inner panel has an inner through hole formed at the upper part thereof so that a center of the inner through hole is aligned with a center of said outer through hole; and a fastener is inserted through said outer through hole and said inner through hole to fix said inner panel to said outer panel, whereby a top rail is formed, wherein either one or both of said inner panel and said outer panel are formed of a synthetic resin; and a weak portion for through hole is formed at a peripheral edge of either one or both of said inner through hole in the inner panel and said outer through hole in the outer panel.