Mechanical lift device

Details Mechanical lift device Mechanical lift device

1988-07-12

1990-01-30

Watson, Robert C.

Material or article handling

Opposed shelf-type elevator and transporter

Load bridging vehicle

254 2R, B60B 2900

Patent

active

048970115

ABSTRACT:
A mechanical lifting device is the subject of the present invention. The device includes a framework which may be easily collapsed or assembled and comprises a plurality of tubular pieces which are held in place by bolts utilized as set screws. Two upright spaced apart frame sections support two spaced apart support bars and a gear rack and lever are employed to effect movement of the support bars. A platform may be mounted on the support bars to provide a scaffold. The platform may also be removed and the support bars positioned over a load to lift it straight upwardly.

REFERENCES:
patent: 3702139 (1972-11-01), Chaffin
patent: 3831791 (1974-08-01), Gonzales
patent: 3881689 (1975-05-01), Bury et al.
patent: 4306707 (1981-12-01), Roscoe
patent: 4491452 (1985-01-01), Matovich

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