Title:
LINEAR VIBRATION ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2021/006083
Kind Code:
A1
Abstract:
[Problem] To provide a linear vibration actuator having excellent productivity and vibration characteristics. [Solution] In this linear vibration actuator, a movable element which is disposed inside a casing and which vibrates in a straight line in a prescribed direction while being urged by an urging means is slidably held by a plurality of guide shafts. Furthermore, the guide shafts are fixed so as not to move relative to the casing, and a positioning shape for positioning the guide shafts is formed as part of a peripheral wall portion of the casing.
Inventors:
KOGAWA TAKESHI (JP)
NAKAMURA MOTOICHI (JP)
OKAMOTO CHIHIRO (JP)
NAKAMURA KAZUYA (JP)
NAKAMURA MOTOICHI (JP)
OKAMOTO CHIHIRO (JP)
NAKAMURA KAZUYA (JP)
Application Number:
PCT/JP2020/025426
Publication Date:
January 14, 2021
Filing Date:
June 29, 2020
Export Citation:
Assignee:
ADAMANT NAMIKI PREC JEWEL CO LTD (JP)
International Classes:
H02K33/16; B06B1/04
Foreign References:
| CN205430023U | 2016-08-03 | |||
| JP2017221905A | 2017-12-21 | |||
| JP2018030107A | 2018-03-01 | |||
| JP2018074763A | 2018-05-10 | |||
| JP2011097747A | 2011-05-12 | |||
| JP2015521840A | 2015-07-30 |
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