LINEAR MOTOR
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United States of America Patent
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Issued Date -
Jan 25, 2018
app pub date -
Jan 23, 2017
filing date -
Jul 21, 2016
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A linear motor includes a housing with an accommodation space; a magnet assembly accommodated in the accommodation space, the magnet assembly including a main magnet unit and two auxiliary magnet units located on both sides of the main magnet unit for forming a magnetic gap; a vibration member accommodated in the accommodation space, the vibration member including a coil inserted into the magnetic gap and weights located at both sides of the coil; and a support member suspending the vibration member in the accommodation space, the support member including an elastic supporting member supporting the vibration member and a coil frame inserted into the magnetic gap. The coil frame is disposed between the coil and the auxiliary magnet units, and the coil is wound around a side surface of the coil frame opposite to the main magnet unit.
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