Importance

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Abstract

An automatic balancer comprising: a balance head configured to rotate integrally with a rotating body around a rotation axis of the rotating body, the balance head including a balance correction mechanism configured to correct imbalance of the rotating body, and a case having a cylindrical outer peripheral surface parallel to the rotation axis and configured to house the balance correction mechanism; a stator provided separately from the balance head and having a shape which is along a circumferential direction of the outer peripheral surface with a clearance from the outer peripheral surface; and a rotor part provided at a position where the rotor part faces the stator on the outer peripheral surface, configured to rotate integrally with the balance head, the rotor part having a shape along the circumferential direction of the outer peripheral surface, wherein the stator and the rotor part are configured to perform wireless communication therebetween.

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First Claim