Electric winch apparatus

Details Electric winch apparatus Electric winch apparatus

1984-05-16

1985-12-03

Taylor, Billy 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

188171, 192 12D, 254362, 254375, B66D 530, B66D 146, B66D 112

Patent

active

045561990

ABSTRACT:
A drum winch apparatus having an alternating current motor and direct current operable clutch and brake coils together with a control circuit for energizing these member is disclosed. The control circuit includes alternating current switching of DC current flows, operator control of both reeling in and unreeling drum functions, and selected use of separate brake release and brake hold off coils with a combination of full wave and half wave energizing currents.

REFERENCES:
patent: 2512017 (1950-06-01), Hayes
patent: 2848087 (1958-08-01), Simson et al.
patent: 2936579 (1960-05-01), Reed
patent: 3516525 (1970-06-01), Skaggs
patent: 3543891 (1970-12-01), Mathers
patent: 3784165 (1974-01-01), Pruitt
patent: 3830344 (1974-08-01), Cervenec et al.
patent: 4306640 (1981-12-01), Morgan
patent: 4361312 (1982-11-01), Schreyer et al.

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