Two-masted lifting apparatus

Details Two-masted lifting apparatus Two-masted lifting apparatus

1976-10-12

1977-11-15

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Multiple lifters

B66F 726

Patent

active

040582930

ABSTRACT:
A two-masted lifting apparatus for lifting a weighty object such as a vehicle or the like to a certain height with its original posture maintained and then inclining the lifted object at a desired angle so that inspecting, cleaning or repairing works upon the underside of the object are carried out easily and safely. The two-masted lifting apparatus comprises two opposing upright masts on each of which a carriage having means for supporting the object is slidably mounted. Both carriages are independently driven by separate driving means and are connected to each other by a chain so that the actuation of one of the driving means effects synchronous lifting of both carriages while the actuation of the other effects only the lifting of one of them. The means for supporting the object is of the telescopic structure and is horizontally movable toward or away from each mast.

REFERENCES:
patent: 3830466 (1974-08-01), Rusmussen et al.
patent: 3865346 (1975-02-01), Shirk

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