| 摘要 |
An electromagnetic brake apparatus is provided. The invention includes a coil body, an electromagnetic coil and a spring housed in the coil body. The invention also includes a brake pad, and a mounting plate spaced from the coil body and supporting the brake pad. The invention also includes an armature plate between the spring and the brake pad in electromagnetic communication with the electromagnetic coil which is drawn toward the coil body and away from the brake pad when the electromagnetic coil increases the magnetic field and which is forced by the spring away from the coil body and into contact with the brake pad when the electromagnetic coil decreases the magnetic field. The invention also includes an annular spacer ring extending circumferentially around an axis of the coil body between the coil body and the mounting plate which fixes the amount of separation between the coil body and the mounting plate.
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