Vehicle elevating platform

Details Vehicle elevating platform Vehicle elevating platform

1977-12-27

1978-11-07

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Multiple lifters

B66F 714

Patent

active

041241916

ABSTRACT:
A two-pillar, above floor elevating platform for vehicles having lift trucks disposed in each of the two pillars respectively. A three-phase AC motor in each pillar drives each lift truck vertically along the pillar. Apparatus which synchronizes the movement of the two lift trucks is located in a base platform upon which the two pillars are mounted. One of the motors may be disconnected when the torque necessary to lift the vehicle can be developed by the other motor. A one-phase to three-phase converter may be used to power the vehicle elevating platform in areas where only one-phase power is available.

REFERENCES:
patent: 3554491 (1968-11-01), Tegtmeier
patent: 3958664 (1976-05-01), Perkins

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