Lockable manual release device for a brake

Details Lockable manual release device for a brake Lockable manual release device for a brake

2011-04-12

2011-04-12

Williams, Melanie Torres (Department: 3657)

Brakes

Wheel

Axially movable brake element or housing therefor

C188S163000

Reexamination Certificate

active

07921971

ABSTRACT:
An electromagnetically released spring-loaded brake for cooperation with a motor or similar, with the manual release of the brake being effected in a tangential direction by means of a manual release lever9, and with actuation of the manual release lever9causing armature disc3to be urged towards coil carrier1via three or more transmission levers10mounting rolls16and camming surfaces14on armature disc3. As a result, the width of the air gap between armature disc3and coil carrier1is reduced so that rotor6with its hub4will be free to rotate between friction linings7on armature disc3and flange plate8. The object was to create a lockable manual release feature the actuation of which requires a low manual force on manual release lever9, is very flat and compact in structure, has a relatively small diameter and is actuated in a tangentional direction (FIG.1).

REFERENCES:
patent: 2938607 (1960-05-01), Kershner et al.
patent: 3313381 (1967-04-01), Harting et al.
patent: 4352415 (1982-10-01), Powell

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