Implements or apparatus for applying pushing or pulling force – Hoisting truck – Single throw lever
Patent
1987-09-28
1989-01-10
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Hoisting truck
Single throw lever
254124, 254134, 254DIG16, B66F 502
Patent
active
047968613
ABSTRACT:
A portable lifting jack with ram, engine stand and transmission cradle. The jack is comprised of a boom for hoisting objects, an engine stand, transmission cradle, and a hydraulic ram and press assembly. The ram press is incorporated into the front vertical base of jack and provides a counter weight and also allows the press, engine stand and transmission cradle to be used simultaneously. The jack is equipped with caster wheels and the legs and boom are extendable to enable the jack to be placed in any necessary position.
REFERENCES:
patent: 2814394 (1957-11-01), Witcher
patent: 2851247 (1958-09-01), Hilding
patent: 3059785 (1962-10-01), Buckeye
patent: 3667632 (1972-06-01), Tidswell
patent: 4118010 (1978-10-01), Hanscom
patent: 4190233 (1980-02-01), Godfrey
patent: 4479632 (1984-10-01), Colvette
patent: 4523888 (1985-06-01), Pezzner et al.
patent: 4669703 (1987-06-01), Hawkins et al.
Petty Donald W.
Robbins Glenn K.
Watson Robert C.
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