Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – Device includes rotatably driven – cable contacting drum
Patent
1998-02-09
1999-04-06
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
242319, B66D 100
Patent
active
058907017
ABSTRACT:
The present apparatus includes an improved weather resistant marine winch arranged to permit the control of lines on a ship and to minimize water intrusion into the winch. The winch comprises a base for attachment to surface of the ship, the winch including a vertically oriented drive shaft supported over the base. A cylindrically shaped drum is rotatively disposed about the drive shaft, the drum having an upper drum flange and a lower drum flange. The upper drum flange has an upper hub portion on which an annular peeler bar is arranged. The peeler bar has a central bore with a shoulder therearound. A ring cap is fit about an upper end of the drive shaft, with a downwardly extending flange mating radially about the shoulder of the peeler bar. An annular "U" shaped groove is arranged about the outer periphery of the shoulder to divert any weather elements from infiltrating under the ring cap, thereby protecting the winch from the weather. Other annular seals are disposed between the lower flange and the base of the winch, and between the peeler bar and the central hub of the upper drum flange, as further water diversions between other rotating and stationary surfaces, to prevent infiltration of water into the inner workings of the winch.
REFERENCES:
patent: 4463932 (1984-08-01), Shunker
patent: 4651949 (1987-03-01), Sato
patent: 4805849 (1989-02-01), Nanbu
patent: 5573193 (1996-11-01), Bernard et al.
Halgren Dan
Pham Minh-Chau
Walsh Donald P.
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