Patent ID: 6336517
Filing Date: 2002-01-08
Classification: B62K,Y10T

Abstract:
A releasably attached cart chassis comprising:a front cart framework having a base plate with two supporting brackets, one on each of two sides of said base plate, a post standing on said base plate between said two supporting brackets, said post having two tail fins extending backwards, each being equipped with a hinge hole, a first insertion hole, and a first recessed slot with an opening; a rear cart framework releasably attached to said front cart framework and including a connecting rod, said connecting rod having two ends resting on said two supporting brackets, said rear cart framework further having at least one skid protrusion extending horizontally forwards for urging against the bottom surface of said base plate, and an extension adapter fitted to said connecting rod; a handle bar having a crossed portion which is inserted into said hinge holes of said both tail fins such that said handle bar is turnable; a turnable member engaged to said crossed portion and disposed between said two tail fins, said turnable member having at least one second insertion hole and at least one second recessed slot with an opening so that said first and said second recessed slots are mated with each other to form a confinement space when said front and said rear cart frameworks are coupled together; a fixing pin inserted through the first and the second insertion holes so as to tightly sandwich said turning member between said two tail fins; and a joint assembly including a stopper pin and a hinged joint, said stopper pin confined in the space formed by said first and said second recessed slots, and said hinged joint engaged to said extension adapter of said connecting rod; and wherein said front and said rear cart frameworks can be released from or conjoined to each other by operating said handle bar.