Truck bed liner

Claim 1

A protective liner for a rectangular truck bed having a bottom wall, a front wall, opposed side walls, and an open rear end, closable by a tailgate, each front wall and side wall having an interior surface, an exterior surface and a top ledge projecting outward from each interior surface and terminating in a free rim, comprising: (a) an integral bottom liner wall, front liner wall and opposed side liner walls of continuous, semi-rigid material adapted to fit within the interior surfaces of the corresponding bottom wall, front wall and opposing side walls of the truck bed, in operative position, (b) said side liner walls terminating in rear end portions spaced apart to form a rear opening to substantially conform with the open rear end of the truck bed, in operative position, (c) each of said side liner walls having a top portion, and a hook-shaped flange integrally formed with, and projecting laterally outward from, said top portion, (d) each of said hook-shaped flanges having a substantially transverse flange portion projecting outward across the top ledge of the corresponding truck bed side wall, and an outer lip projecting downward from said flange portion outside of and substantially against the free rim of said corresponding truck bed wall, in operative position, and (e) each of said hook-shaped flanges being substantially semi-rigid for fitting over said corresponding top ledge and free rim, to hold said side liner walls upon their corresponding truck bed side walls without any independent fastener member in operative position.