Patent ID: 6666621
Filing Date: 2003-12-23
Classification: E04G

Abstract:
A trench cover for temporarily covering a trench comprising:a pair of longitudinally extending rails having substantially identical predetermined lengths, each said rail including a web extending between an upper flange and a lower lip, said flange having an upper and lower surface, said web intersecting the lower surface of said upper flange at its mid-portion to thereby form a T-shaped member, said lower lip extending outwardly from said web, said web and said lower lip forming an L-shaped member, that portion of said upper flange extending outwardly over said lower lip, said web and said lower lip forming a C-shaped channel, the lower surface of that portion of said upper flange not extending outwardly over said lower lip adapted to abut the upper surface of said trench adjacent the edge thereof; said pair of rails being spaced apart and substantially parallel to each other with the C-shaped channels of each of said rails facing each other; and a substantially flat cover member having a length, width and thickness, said cover member having longitudinally extending side edges positioned within said C-shaped channels of each of said rail.