Patent ID: 7441783

Claim:
A size variable cart comprising: a) a frame with ground engaging wheels; the frame telescoping between a front and a rear of the cart to allow adjustment of the front to rear length thereof; b) a rigid bed of integral one piece construction that has a load bearing surface; said bed having first and second configurations with respect to the frame; in the first configuration said bed includes a lower first set of projections that are received in a cooperating first set of receivers on a front and a rear of the frame so as to fix the length of the cart when the bed is positioned directly on the frame in the first configuration; c) a set of front and rear trestles that are selectively mountable in spaced relationship to one another in a second set of receivers on a front and a rear of said frame respectively with said bed being thereafter mounted in the second configuration on said trestles so as to span between said trestles and fix the length of the cart when the bed is positioned on the trestles and so as to be supported by said trestles in the second configuration above said frame.