Electrical hydraulic jack

Details Electrical hydraulic jack Electrical hydraulic jack

1984-02-08

1986-07-08

Schmidt, Frederick R.

Implements or apparatus for applying pushing or pulling force

Fluid pressure

Vehicle attached

254 1, B66F 324

Patent

active

045988986

ABSTRACT:
An improved electrical hydraulic jack of the type having of a jack body with a lift structure and a manually adjustable crown rod telescopically disposed therein, a base plate integrally formed to the jack body, a motor assembly matched with a housing body fixed on the base plate in upright position, wherein the improvement comprises a transmission device installed in the upper portion of the housing body in connection with the motor assembly, and a driving device mechanically coupled between the transmission device and the jack body, thereby, the high revolution of the motor assembly will be reduced, and the revolving motion will be converted into straight line movement for effecting hydraulic lift operation therewith.

REFERENCES:
patent: Re26846 (1970-04-01), Weiss
patent: 2034605 (1936-03-01), Carman
patent: 2420910 (1947-05-01), Richards
patent: 2458590 (1949-01-01), Harris et al.
patent: 4077608 (1978-03-01), Nehrig

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