Linear device and electric device with linear motor
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United States of America Patent
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Oct 31, 2017
Grant Date -
Jan 16, 2014
app pub date -
Jul 11, 2013
filing date -
Jul 13, 2012
priority date (Note) -
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Abstract
A linear motor is disclosed. The linear motor includes an armature mounted for driven linear oscillation substantially along a longitudinal direction; a secondary mass mounted for linear oscillation substantially along the longitudinal direction; and a coupling unit for coupling the armature and the secondary mass. The coupling unit includes at least two coupling spring assemblies and at least a coupling element, the coupling spring assemblies being arranged in planes perpendicular to the longitudinal direction and being spaced apart from each other, and the coupling element being fixedly connected with the coupling spring assemblies.
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