Air conditioner compressor hoist

Details Air conditioner compressor hoist Air conditioner compressor hoist

2008-04-01

2008-04-01

Marcelo, Emmanuel M (Department: 3654)

Implements or apparatus for applying pushing or pulling force

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

Device includes rotatably driven, cable contacting drum

C414S543000, C212S295000

Reexamination Certificate

active

11652443

ABSTRACT:
The present invention provides a portable hoist for use by air conditioner mechanics, or others, to lift compressors in and out of HVAC units (or other heavy objects). The hoist has a lifting arm rotatable relative to a base and preferably provides a compact storage configuration.

REFERENCES:
patent: 1456356 (1923-05-01), Bentley
patent: 1978999 (1934-10-01), Jones
patent: 3671015 (1972-06-01), Sullivan
patent: 3948482 (1976-04-01), Brophy
patent: 4771988 (1988-09-01), Scroggins, Sr.
patent: 5431526 (1995-07-01), Peterson et al.
patent: 5975499 (1999-11-01), Ostrobrod
patent: 6138991 (2000-10-01), Myers, Jr.
patent: 6189866 (2001-02-01), Harkins et al.

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