Patent ID: 6643878
Filing Date: 2003-11-11
Classification: A61G,B65G,Y10S

Abstract:
A loading ramp made up of a plurality of substantially rectangular links, said ramp device formed such that said plurality of rectangular links may be placed in a substantially circular coil, each of said rectangular links comprising:a link body having a rectangular link surface said link surface having an upper link surface and a lower link surface, a left and a right outer edge and a front and rear outer edge; said link body further having a left and right link rail attached perpendicularly to said rectangular link surface along said left and right outer edges respectively; a left and right front pivot tab on said left and right link rail respectively and a left and right rear pivot tab on said left and right link rail respectively said pivot tabs positioned on said link rails below said lower surface of said rectangular link surface, said left and right front pivot tabs being laterally offset in the same first direction in reference to said link rails, said left and right rear pivot tabs being laterally offset in the same second direction in reference to said link rails and said second direction being the opposite direction of said first direction; and said left and right front pivot tabs extending forward of said front edge of said rectangular surface and said left and right rear pivot tabs extending rearward of said rear edge of said rectangular surface.