Portable lifting jack

Details Portable lifting jack Portable lifting jack

1976-06-03

1977-04-19

Smith, Al Lawrence

Implements or apparatus for applying pushing or pulling force

Hoisting truck

Single throw lever

B66F 504

Patent

active

040184218

ABSTRACT:
A hydraulic lifting jack has a base supported on wheels, an elevating linkage, a hydraulic ram operating with the linkage and a handle for pressurizing and releasing the hydraulic ram. An integral block of rugged rectangular configuration serves a multiple purpose of providing a reservoir for hydraulic fluid, mounting the ram, mounting the pump and providing exteriorly precision drilled bores for all the hydraulic activity.

REFERENCES:
patent: 1951398 (1934-03-01), Dearsley
patent: 2264979 (1941-12-01), Jackson
patent: 2370681 (1945-03-01), Mueller

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