Patent ID: 7871088
Filing Date: 2011-01-18
Classification: A61G,B62B

Abstract:
1. In combination: a walker that travels over a surface, including: hook means on a bottom portion of said first end of cart for hooking said cross bar of said walker for selectively attaching said cart to said walker such that in the attached position said pair of wheels is supported above and not touching the travel surface and said caster is in contact with the travel surface; such that the act of pushing or pulling by a user on said left and right frame members of said walker results in simultaneously propelling said wheel of said walker and said castors of said cart on the surface, and the act of differentially pushing or pulling by a user on said left and right frame members of said walker results in simultaneously steering said wheel of said walker and rolling said castors of said cart on the surface in the direction steered and such that in the unattached position, said pair of wheels also contacts the travel surface, allowing said cart to be used independently of said walker by a user using said handle to control said cart.