Patent ID: 7509988

Claim:
A device for securing the rim of a wheel to the arms of an assembly, without marring said wheel, comprising: a frame, having two mutually parallel and spaced apart sides, a panel scanning between said sides opposite said wheel; a means for adjusting the position of said frame upon an arm; a pin, connecting to said adjusting means, said pin being generally perpendicular to said adjusting means, said pin moving with said adjusting means slideably engaging said sides; said adjusting means passing through said panel and journaling into said pin; each of said sides having a slot therethrough, generally rectangular and in the direction of movement of said frame; a bar, extending through said slots and both sides, said bar having a centered aperture for admitting said pin; said pin having a length extending below said frame; said bar, said slots, and said adjusting means cooperate in avoiding the tilting of said pin during movement of said frame; and, at least one non-marring wheel upon said frame opposite said adjusting means and said pin, said wheel having a circumferential notch suitable for gripping the rim.