Portable lift

Details Portable lift Portable lift

1988-11-09

1990-04-24

Shaver, Kevin P.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

182141, 254 93R, 2807631, B66B 920

Patent

active

049192345

ABSTRACT:
The portable lift of the present invention includes a forward lift frame and a rear lift frame adapted to be connected to the forward and rear ends of the vehicle. Each of the lift frames includes a vertical tube or mast assembly having at least two telescopically extensible tube sections. Hydraulic extensible cylinders are within the tube assemblies of the forward and rear lift frames for causing the raising and lowering of the forward and rear lift frames between retracted and extended positions. An elongated support platform is pivotally connected to the upper ends of the tube lift assembly and is adapted to be raised and lowered in unison therewith.

REFERENCES:
patent: 2479623 (1949-08-01), Johnson
patent: 2576907 (1951-11-01), Wallace
patent: 2670811 (1954-03-01), Shaffer
patent: 3110359 (1963-11-01), Solomon
patent: 3556249 (1971-01-01), Jackson
patent: 3576233 (1971-04-01), Thatcher
patent: 3638757 (1972-02-01), Sampson
patent: 3664459 (1972-05-01), Stephens et al.
patent: 3735958 (1973-05-01), Hollingsworth
patent: 3820631 (1974-06-01), King et al.
patent: 3831901 (1974-08-01), Williams et al.
patent: 3858688 (1975-01-01), Galloway
patent: 4171033 (1979-10-01), Rust et al.

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