MOTOR
PURPOSE:To provide a motor which is easy in manufacture and also agrees with the request of miniaturization, though it is favorable in rotation balance and can detect the one rotation or one-severalth rotation of a rotor easily. CONSTITUTION:For this motor, at least one projection 24 is made at the...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE:To provide a motor which is easy in manufacture and also agrees with the request of miniaturization, though it is favorable in rotation balance and can detect the one rotation or one-severalth rotation of a rotor easily. CONSTITUTION:For this motor, at least one projection 24 is made at the periphery of a ring-shaped or cylindrical magnet 18, and one part of the peripheral cylinder 14a in a case 14, which covers the periphery of this magnet 18, has a cut 23 wherein the said projection 24 is inserted. |
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