VIBRATION MOTOR
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United States of America Patent
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Issued Date -
Mar 1, 2018
app pub date -
Jul 24, 2017
filing date -
Aug 30, 2016
priority date (Note) -
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Abstract
A vibration motor includes a shaft having a center axis extending in one direction; a stationary portion having a coil wound in a circumferential direction of the center axis; a vibrating body arranged outside the shaft in a radial direction and being vibratable in the one direction relative to the stationary portion; and at least a single coil spring arranged between the stationary portion and the vibrating body, and wound in the circumferential direction. The vibrating body includes a weight and a magnet arranged inside the coil in the radial direction, in the one direction with respect to the weight. The coil spring overlaps the coil in the one direction.
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