Hoist electric brake with shading coil

Details Hoist electric brake with shading coil Hoist electric brake with shading coil

1977-08-18

1979-03-27

Blix, Trygve M.

Implements or apparatus for applying pushing or pulling force

Step-by-step traveling bar

Pawl actuated

188171, 310 93, 310172, 336 73, 336172, B66D 530

Patent

active

041462106

ABSTRACT:
A hoist brake unit having a shading coil mechanically locked into the core of the brake unit's electromagnet. The mechanical lock is achieved by passing the coil through a cavity in the core having intervening core material between the cavity and an external surface of the core.

REFERENCES:
patent: 1364857 (1921-01-01), Hall
patent: 1722167 (1929-07-01), Wilson
patent: 1917289 (1933-07-01), Benson
patent: 2284406 (1942-05-01), D'Entremont
patent: 2406045 (1946-08-01), Stevens
patent: 2445408 (1948-07-01), Root
Abstract of application 732,605 filed Mar. 5, 1947 and published Mar. 13, 1951 (Pole Shades).

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