| 摘要 |
An electromagnetic brake having brake shoes which are mounted immobile in circumferential direction with respect to a shaft, but are movable in radial direction. The brake shoes interact with a concentric ring-shaped brake stator having a toroid coil and a magnetizable ring housing that force the brake shoes in a radial direction opposite that of a radial force produced by a spring connected to the brake shoes, centrifical force, or a permanent magnet.
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