Winch for raising and lowering persons

Details Winch for raising and lowering persons Winch for raising and lowering persons

2004-02-25

2008-10-14

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

C254S334000, C254S380000, C005S085100, C005S087100, C104S089000, C294S081560, C294S081540, C212S327000

Reexamination Certificate

active

07434787

ABSTRACT:
The invention relates to a winch (6) for raising and lowering persons, of the type that comprises a housing with an attachment member (16), an electric motor (39) driving a reel (27), a lifting strap (7) connected to the reel for winding and unwinding the lifting strap whereby the lifting strap is guided through one of two openings (17,19) formed in the housing.

REFERENCES:
patent: 3784165 (1974-01-01), Pruitt
patent: 4372452 (1983-02-01), McCord
patent: 4884784 (1989-12-01), Nix et al.
patent: 5295664 (1994-03-01), Kamper
patent: 5573091 (1996-11-01), Hung
patent: 6035465 (2000-03-01), Rogozinski
patent: 6085368 (2000-07-01), Robert et al.
patent: 7159772 (2007-01-01), Vande Berg

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