Hinge system for combination hand truck, step ladder and...

Details Hinge system for combination hand truck, step ladder and... Hinge system for combination hand truck, step ladder and...

2005-04-12

2005-04-12

Lev, Bruce A. (Department: 3634)

Fire escape, ladder, or scaffold

Convertible

C182S129000, C280S047160

Reexamination Certificate

active

06877586

ABSTRACT:
A multi-use move, lift, and support device is disclosed. The device is made of a step ladder frame containing a plurality of steps and a hand truck frame. At least one hinge pivotally connects the step ladder frame to the hand truck frame. An anti-wobble hook may be used to lock the frames in a step ladder configuration. The hook is moved in position by the force of gravity.

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