Vehicle service jack

Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support

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Details

187 5, 254 89H, B66B 100

Patent

active

043196667

ABSTRACT:
A service jack to be mounted on a vehicle lift rack for movement into desired places along the runways of the lift rack. The service jack includes a carriage suspended between the runways, an elongated vehicle lifting jack assembly operably supported by the carriage for vertical movement toward and away from the frame members of a vehicle supported on the runways, a fluid pressure lifting member between the carriage and the vehicle lifting jack assembly, releasible safety device responsive to raising of the vehicle lifting jack assembly for preventing accidental reverse movement thereof, and devices for guiding and maintaining the vehicle lifting jack assembly in a substantially level attitude in all positions.

REFERENCES:
patent: 2201147 (1940-05-01), Barg et al.
patent: 2240756 (1941-05-01), Bristol
patent: 2790683 (1957-04-01), Clark
patent: 2849084 (1958-08-01), Hott et al.
patent: 3317004 (1967-05-01), Harrison, Jr.
patent: 3563345 (1971-02-01), MacMillan
patent: 3789958 (1974-02-01), Masaitis
patent: 4050545 (1977-09-01), Hunter

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