Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1976-04-01
1978-01-31
Saifer, Robert W.
Elevator, industrial lift truck, or stationary lift for vehicle
Stationary lift for roadway vehicle or required component...
Having specific drive means for support
187 11, 187 95, B66B 920
Patent
active
040711153
ABSTRACT:
A multi-story lift device, fixed to a trailer for over-the-road travel to and from a job site, particularly for use in the construction industry and related trades. The trailer mounted lift device is adapted for transportation by automotive vehicles such as a passenger car, pick-up truck, etc., and includes rigid, lift guide beams, pivotally movable relative to the trailer from an inclined angle at which the total height of the structure is within the legal limit for over-the-road travel, to an elevated, generally vertical position to accommodate movement of a lift platform from ground level to elevations generally ranging from two building levels up to a practical limit, five to six building levels, for example.
REFERENCES:
patent: 783699 (1905-02-01), Laffin
patent: 2241275 (1941-05-01), Shinn et al.
patent: 2284360 (1942-05-01), Berby
patent: 2732087 (1956-01-01), Pratt
patent: 3003584 (1961-10-01), Wiegand et al.
Nase Jeffrey V.
Saifer Robert W.
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