LINEAR VIBRATION MOTOR

WIPO Patent Application WO/2016/167297

A1

The present invention minimizes the generation of a contact sound by minimizing the rotation of a movable element and obtains stable vibration even when the movable element is configured to have a flat shape. A linear vibration motor 1 is provided with: a movable element 10 provided with a magnetic pole 2 and a weight section 3; a frame 4 that supports the movable element 10 so as to be capable of reciprocating vibration; a coil 5 that is fixed with respect to the frame 4 and that applies driving force to the magnetic pole 2; a guide shaft 6 that limits vibration of the movable element 10 to one axial direction; and an elastic member 6 that is provided between the frame 4 and the movable element 10 and that elastically deforms as a result of reciprocating vibration of the movable element 10. The movable element 10 has a flat shape in which the width in a direction intersecting the axial direction of the guide shaft 6 is larger than the thickness in a direction intersecting the axial direction of the guide shaft 6. The elastic member 7 is provided with plate springs 71A, 71B having plate widths that follow the thickness direction of the movable element 10.

ODAJIMA SHIN (JP)
SEGAWA NOBORU (JP)
KATADA YOSHINORI (JP)
ISHII SHIORI (JP)

PCT/JP2016/061943

October 20, 2016

April 13, 2016

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NIDEC COPAL CORP (JP)

H02K33/12; B06B1/04

JP2011205870A	2011-10-13
JP2011097747A	2011-05-12
US20110133577A1	2011-06-09

EICHI Patent & Trademark Corp. (JP)
Patent business corporation Wisdom international patent firm (JP)

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