Boat lift drive

Details Boat lift drive Boat lift drive

2009-01-24

2010-08-31

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

C254S342000

Reexamination Certificate

active

07784767

ABSTRACT:
A boat lift drive for connection to a winch having a winch shaft. The boat lift drive includes a power unit, a drive train engaged to and being driven by the power unit, and a drive shaft engaged to and being driven by the drive train. The drive shaft in turn is engaged to and drives the winch shaft. The drive shaft includes an interior threaded opening that engages a threaded end of the winch shaft to directly connect the drive shaft to the winch shaft. The drive shaft is further engaged to the winch shaft via a pin that extends through the drive shaft and is threaded into the winch shaft.

REFERENCES:
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patent: 4613273 (1986-09-01), Wagner
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patent: 5211124 (1993-05-01), Reiser
patent: 5284325 (1994-02-01), Sasaki et al.
patent: 5660373 (1997-08-01), Maslo et al.
patent: 6767004 (2004-07-01), Davis
patent: 7017887 (2006-03-01), Verakis
patent: 7226041 (2007-06-01), Ledford
patent: 7377485 (2008-05-01), Davis
patent: 2007/0200104 (2007-08-01), Davis

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