Patent ID: 6719521
Filing Date: 2004-04-13
Classification: B62B

Abstract:
A hand truck comprising:a platform for accommodating a load, a frame attached to the platform, a pair of wheels rotatably attached to the frame, an operating construction hingably attached to the frame and extending from a first end comprising a pair of legs having bottom ends close to the platform to a second end comprising a pair of handles, and a pusher plate, perpendicular to the platform, that can be moved across the platform from a rear to a front thereof, a bottom edge of the pusher plate being hingably connected to the first end of the operating construction and a top edge of the pusher plate being hingably connected to the frame by an auxiliary frame, the frame has guide paths therein or thereon, the operating construction is hingably attached to the frame on a first axis, and the bottom ends of the legs of the operating construction are provided with guide elements, the pusher plate has guide paths in or on each side edge of the pusher plate, in which the guide elements at the bottom ends of the legs of the operating construction run, and the top edge of the pusher plate is provided with a second axis parallel to the first axis, top ends of a pair of parallel auxiliary arms of the auxiliary frame are pivotably fixed on the second axis, bottom ends of each of the auxiliary arms are provided with guide elements, and the auxiliary arms are pivotably fixed to the legs of the operating construction on a third axis parallel to the first and second axes.