Land vehicles – Wheeled – Tiltable vehicles – stabilized by attendant or article
Patent
1991-02-01
1993-01-19
Mitchell, David M.
Land vehicles
Wheeled
Tiltable vehicles, stabilized by attendant or article
16114R, 280 4726, 280 795, B62B 104
Patent
active
051801795
ABSTRACT:
A removable handle for gas cylinder hand trucks allows storage of the truck in a smaller space by decreasing the height of the truck. The invention is for trucks of the type having a tubular handle extending upward from the frame. The joint (or joints) where the handle removes is formed by making a cut in the tube, preferably just above the level of the top of the frame. This cut becomes a joint by adding to the cut a dowel and a bracket. The dowel is permanently fastened into the handle part of the tube, and snugly fits into the lower, or frame, end of the tube. The dowel both aligns and angularly braces the two tube sections. The bracket part consists of two plates, one fastened to the removable handle part and one fastened to the frame, which are bolted together when the joint is fastened. The plates are radially attached to adjoining parts of the handle tube and frame tube. Each plate has a hole for the bolt. The bolted plates prevent relative twisting of the two tubes and also reinforce the dowel. The invention is applicable to either a single-joint upright tubular handle or a double-joint U-shaped tubular handle.
REFERENCES:
patent: 841489 (1907-01-01), Drane
patent: 2986401 (1961-05-01), Altadonna
patent: 3241852 (1966-03-01), Muller et al.
patent: 4666179 (1987-05-01), Adams
Litman Richard C.
Mitchell David M.
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