Patent ID: 7172207
Filing Date: 2007-02-06
Classification: B60D,B62B

Abstract:
1. A collapsible cart comprising: (a) two elongate handle bars; (b) four vertical telescoping bars; (c) two main vertical supports; (d) two horizontal cross-bars; (e) two anchor blocks; (f) four diagonal pivoting support bars; and (g) two wheel assemblies; wherein each vertical telescoping bar is fixedly attached at one end of the vertical telescoping bar to one of the horizontal cross-bars and at the other end of the vertical telescoping bar to one of the elongate handle bars, and wherein the vertical telescoping bars rotate at the point at which they attach to the elongate handle bars; wherein each main vertical support is attached at one end of the main vertical support to one of the anchor blocks, and wherein each elongate handle bar slides up and down on one of the main vertical supports; wherein each horizontal cross-bar is attached at one end of the horizontal cross-bar to one of the four vertical telescoping bars and at the other end of the horizontal cross-bar to another of the four vertical telescoping bars; and wherein each diagonal pivoting support bar is attached at one end of the diagonal pivoting support bar to the horizontal cross-bar on one side of the cart and at the other end of the diagonal pivoting support bar to the elongate handle bar on the other side of the cart, and wherein the diagonal pivoting support bars rotate at the points at which they attach to the horizontal cross-bars and elongate handle bars.