Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1981-07-14
1984-01-03
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
254 2B, B60S 1300
Patent
active
044237987
ABSTRACT:
A lift-pad assembly of adjustable height for use on a swing arm of a vehicle lift comprises a platform for contacting and at least partially supporting an undersurface of the vehicle, the platform being vertically adjustable in position while remaining horizontal by mounting it on the arm by means of pivotable support linkages the pivot axes of which are at the vertices of a parallelogram. Vertical positions for the platform other than fully up or fully down are provided by bars which can be interposed at will between the platform and a lower base support by operation of one or more slideable plates.
REFERENCES:
patent: 1234759 (1917-07-01), Hensley
patent: 1370002 (1921-03-01), Barrett
patent: 2543260 (1951-02-01), Teegarden
patent: 3362502 (1968-01-01), Clarke
Free Albert L.
Noland Kenneth
Rolla Joseph J.
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