Air balancing hoist combination

Details Air balancing hoist combination Air balancing hoist combination

1995-06-14

1997-01-14

Matecki, Katherine

Implements or apparatus for applying pushing or pulling force

Apparatus for hauling or hoisting load, including driven...

Device includes rotatably driven, cable contacting drum

254288, 254360, B66D 110

Patent

active

055931383

ABSTRACT:
A combination of air balancing hoists is described in which two or more hoists are connected end to end each with a load cable connected at spaced locations on the load item to enable raising a bulky load item. Force transmission rods axially interengage axially moving components of the connected hoists to insure that the cables are raised and lowered together to maintain the attitude of the load item as it is raised or lowered.

REFERENCES:
patent: 810884 (1906-01-01), Pilling
patent: 2710107 (1955-06-01), Powell
patent: 3428298 (1969-02-01), Powell
patent: 4061311 (1977-12-01), Yamasaki et al.
patent: 5370367 (1994-12-01), Zaguroli, Jr.
patent: 5439200 (1995-08-01), Braesch et al.

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