Hydraulic jack system

Details Hydraulic jack system Hydraulic jack system

1993-08-25

1995-02-14

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Car-pusher type

254 93R, 254134, B60S 922

Patent

active

053888081

ABSTRACT:
A hydraulic jack system used for rerailing rail vehicles and for also lifting and lowering heavy loads comprises a base pivotable with respect to the horizontal, giving the hydraulic jack vertical and lateral lift motion. This is particularly advantageous when rerailing rail vehicles as both of these motions are necessary. The hydraulic jack of this invention also has the advantage of being small, portable and easy to assemble.

REFERENCES:
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patent: 2200133 (1940-05-01), Mandl
patent: 2268722 (1942-01-01), Picard
patent: 2420910 (1947-05-01), Richards
patent: 2494099 (1950-01-01), Mandelko et al.
patent: 2527428 (1950-10-01), Kemerer
patent: 3099435 (1963-07-01), Nixon
patent: 3615157 (1971-10-01), Trotta
patent: 3891187 (1975-06-01), Bearden, Jr.
patent: 4221362 (1980-09-01), Van Santen
patent: 4624447 (1986-11-01), Richmeier
patent: 4660806 (1987-04-01), Masters

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