Vehicle hoist

Details Vehicle hoist Vehicle hoist

1979-06-22

1986-04-22

Rolla, Joseph J.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

403161, B60S 1300

Patent

active

045836205

ABSTRACT:
A hydraulically operated vehicle hoist having four extendable swivel arms each pivotally mounted for horizontal displacement on the head of a cylindrical plunger. Pivotting of each arm is provided by means of a vertical spacer tube disposed through the inboard end of the arm in a cavity spacing between a wear plate on the plunger head and a cover plate to which the spacer tube is threadedly connected. Individual adjustment of each cavity height to accommodate dimensional variations in thickness of the respective swivel arm supported thereby is afforded by rotationally locking the spacer tube to its associated arm via a bent rod or Allen wrench positioned through aligned apertures in each. Concomitant arcuate displacement of the locked spacer tube and arm causes threaded vertical displacement of the cover plate whereby the cavity height can be adjustably set to clearance specifications.

REFERENCES:
patent: 1774889 (1930-09-01), Kanning et al.
patent: 1915933 (1933-06-01), Hobler
patent: 1938550 (1933-12-01), Todd
patent: 2524652 (1950-10-01), Dalley
patent: 2878897 (1959-03-01), Cochin
patent: 3035662 (1962-05-01), Hott
patent: 3080018 (1963-03-01), Sinclair
patent: 3205977 (1965-09-01), Goldzwig et al.
patent: 4179038 (1979-12-01), Rosan, Jr.

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