Direct drive dual drum winch

Details Direct drive dual drum winch Direct drive dual drum winch

1983-01-27

1984-02-21

Levy, Stuart S.

Implements or apparatus for applying pushing or pulling force

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

Device includes rotatably driven, cable contacting drum

403 4, 403335, 464137, B66D 108, F16D 100, F16D 350

Patent

active

044325320

ABSTRACT:
For use in service and maintenance of oil and gas (or water) wells, a truck mounted line and cable winch. A winch has dual drums each of which is independently driven by a direct coupled radial piston hydraulic motor. An improved flexible coupling connects aligned motor and drum shafts.

REFERENCES:
patent: 1434759 (1922-11-01), Wilkinson
patent: 1638796 (1927-08-01), Cares et al.
patent: 1936573 (1933-11-01), Anger
patent: 1940777 (1933-12-01), Thompson
patent: 3448962 (1969-06-01), Miller
patent: 3912347 (1975-10-01), Pflugner et al.
patent: 4204664 (1980-05-01), Bryan
patent: 4398698 (1983-08-01), Crawford et al.

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