Electro-shear brake

Details Electro-shear brake Electro-shear brake

1988-02-18

1990-05-01

Reger, Duane A.

Brakes

Operators

Spring

188264E, F16D 5526

Patent

active

049210785

ABSTRACT:
A motor brake unit comprising a housing member defining a fluid chamber disposed about the motor shaft of a motor, a shaft sleeve disposed within the fluid chamber nestingly engaging the motor shaft for rotation therewith, a first plurality of brake elements rotatable with the shaft sleeve, a brake collar secured to the housing member and disposed annularly about said shaft sleeve, a second plurality of brake elements non-rotatably supported by the brake collar, a pole piece for selectively engaging and disengaging the brake elements, biasing means for normally biasing the pole piece to engage the brake elements, and a plurality of electromagnetic coils for selectively attracting the pole piece axially opposite the biasing force to disengage the brake elements.

REFERENCES:
patent: 2077888 (1937-04-01), Larsh
patent: 2215909 (1940-09-01), McWhirter et al.
patent: 2262352 (1941-11-01), Arnold et al.
patent: 2368317 (1945-01-01), Meyer et al.
patent: 2410183 (1946-10-01), Ray
patent: 2620900 (1952-12-01), Du Rosto

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