Winch having drum of two diameters for alternative engagement by

Details Winch having drum of two diameters for alternative engagement by Winch having drum of two diameters for alternative engagement by

1995-08-18

1998-11-03

Walsh, Donald P.

Implements or apparatus for applying pushing or pulling force

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

Device includes rotatably driven, cable contacting drum

254374, 254295, 242903, B66D 126

Patent

active

058297367

ABSTRACT:
A sailboat winch used for trimming lines of alternate sails, such as a jib and a spinnaker, has a drum with upper and lower drum portions of different diameters separated by a continuous radially projecting lip. The upper drum portion has a first diameter and is used for trimming the jib at maximum power. The lower drum portion has a diameter greater than the first diameter and is used for trimming the spinnaker lines. The radial extent of the lip is sufficient to prevent a line, when wrapped on the lower drum, from slipping upwardly and becoming disengaged from the lower drum.

REFERENCES:
patent: 1235504 (1917-07-01), Ross
patent: 1424990 (1922-08-01), Coyle et al.
patent: 1565720 (1925-12-01), Estes
patent: 1568406 (1926-01-01), Le Bus
patent: 2435580 (1948-02-01), Glennon
patent: 2513095 (1950-06-01), Hunt
patent: 3432146 (1969-03-01), Schubert et al.

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