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Patent Searching and Data


Title:
VIBRATION MOTOR
Document Type and Number:
Japanese Patent JP2016073104
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To solve the problem that vibrations of a vibration part are blocked by deforming a spiral elastic part of a circuit board and tilting the vibration part when vertically vibrating the vibration part in a vibration motor.SOLUTION: The vibration part of the vibration motor comprises a coil part that faces a magnet part in a radial direction, and a mass part that is fixed to the coil part. The circuit board includes: a lower terminal part which protrudes from between a cover part and a base part to the radial outside of the cover part and is fixed onto a top face of a base protrusion; an upper terminal part which is fixed to a lower part of the vibration part and electrically connected to the coil part; and two legs which extend from the lower terminal part to both sides in a circumferential direction inside of the cover part and are connected from both the sides in the circumferential direction to the upper terminal part.SELECTED DRAWING: Figure 6

Inventors:
MORI ZENJI
TAKEUCHI TAKAYUKI
Application Number:
JP2014200714A
Publication Date:
May 09, 2016
Filing Date:
September 30, 2014
Export Citation:
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Assignee:
NIDEC SEIMITSU CORP
International Classes:
H02K33/02
Domestic Patent References:
JP2013085438A2013-05-09
JP2012058758A2012-03-22
JPH10263476A1998-10-06
JPH0612796A1994-01-21
JPH0467365A1992-03-03
JPH0346116A1991-02-27
Attorney, Agent or Firm:
Nidec Corporation
Masahiro Matsusaka
Tsutomu Tanaka
Masamichi Ida