Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1983-07-25
1985-07-30
Rolla, Joseph J.
Elevator, industrial lift truck, or stationary lift for vehicle
Stationary lift for roadway vehicle or required component...
Having specific drive means for support
187 841, 254 89H, B66F 716
Patent
active
045316147
ABSTRACT:
A portable hydraulic service lift for elevating equipment such as industrial vehicles. The lift includes a base assembly including a platform which supports the elevated lift and allows the lift to be readily moved to a different location. A pair of rigid support legs extend upwardly from one end of the base platform and are spaced transversely to receive a portion of the equipment to be elevated therebetween. A pair of elongate lifting arms are joined in a cantilevered fashion to the support legs along the sides of the base platform. Rollers join the lifting arms to the adjacent support leg so that the arms can be raised and lowered in a cantilevered fashion while rolling along the support legs. Lifting bars extending transversely across the lifting arms are adapted to engage with the underside of the vehicle to be lifted. Power lifting mechanism are provided to raise and lower the arms and the vehicle supported on the lifting bars. Safety locking mechanism connected between said lifting arms and support legs releasably locks the arms in any of a plurality of positions. Control mechanism are also provided to energize the lifting mechanism and safety locking mechanism to selectively raise and lower said arms and said equipment.
REFERENCES:
patent: 3838783 (1974-10-01), Tune
patent: 3920101 (1975-11-01), Richards
patent: 4267901 (1981-05-01), Tsujimora
patent: 4328951 (1982-05-01), Laupper
"Fork Truck Service Lifts", Autoquip Corporation, 1973, 8 pages.
Autoquip Corporation
Pedersen Nils E.
Rolla Joseph J.
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