Hoisting winch for lifting and lowering

Details Hoisting winch for lifting and lowering Hoisting winch for lifting and lowering

1999-02-05

2000-10-03

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

254362, B66D 122

Patent

active

061261432

ABSTRACT:
In a hoisting winch, a winding drum is arranged in an outer peripheral portion of a motor portion, a braking unit and an encoder are arranged on one end side of a rotor axis of the motor portion, an internal gear is fitted to an inner diameter area of the winding drum, a reduction mechanism in which planet gears are arranged between a sun gear and the internal gear is provided, the reduction mechanism, the braking unit, and the encoder are arranged in a coaxial fashion, and a wire rope fitting groove is provided on the winding drum on the braking unit side.

REFERENCES:
patent: 1585065 (1926-05-01), Wilsing
patent: 2246923 (1941-06-01), Meunier
patent: 2891767 (1959-06-01), Armington, Jr.
patent: 3024001 (1962-03-01), Worden et al.
patent: 3885656 (1975-05-01), Michling et al.
patent: 4328954 (1982-05-01), Logus
patent: 4430909 (1984-02-01), Magnuson
patent: 5010981 (1991-04-01), Heikkinen
patent: 5098068 (1992-03-01), Jussila

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