Electromagnetically operated friction brake having automatic adj

Details Electromagnetically operated friction brake having automatic adj Electromagnetically operated friction brake having automatic adj

1987-01-23

1988-11-29

Kashnikow, Andres

Brakes

Operators

Spring

188196BA, 188 7962, B60T 1304

Patent

active

047874848

ABSTRACT:
A brake comprises a base on which a pair of brake shoes are mounted, springs to resiliently bias the brake shoes into engagement with a drum which is fixed relative to a rotatable member to be braked, to apply the brake, an electromagnet to move the brake shoes against the springs to release the brake, the electromagnet comprising a coil and an armature movable relative to the coil when the coil is energized, and a lost motion device automatically to maintain the movement of the armature relative to the coil within a predetermined range of movement irrespective of the amount of wear of the brake shoes.

REFERENCES:
patent: 1835008 (1931-12-01), Browall
patent: 3160240 (1964-12-01), Harding et al.
patent: 3348639 (1967-10-01), Ames
patent: 3710897 (1973-01-01), Moody
patent: 4031987 (1977-06-01), Webb
patent: 4116308 (1978-09-01), Sever

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