Title:
LINEAR ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2018/030265
Kind Code:
A1
Abstract:
A linear actuator 1 that has: a mobile body 6; a fixed body 2; a magnetic drive mechanism 10 that makes the mobile body 6 move linearly in a first direction X relative to the fixed body 2; and a damper member 91 that is provided between the mobile body 6 and the fixed body 2. The magnetic drive mechanism 10 has: a coil holder 4 that is provided to the fixed body 2; a coil 5 that is supported by a coil support part 40 of the coil holder 4; a first yoke 81 that is provided to the mobile body 6; and a first permanent magnet 71 that is held by the first yoke 81. The damper member 91 is provided between the first yoke 81 and the coil holder 4 where portions thereof face in a second direction Y. As a result, the damper member 91 can be provided between the fixed body 2 and the mobile body 6 without the use of a case.
Inventors:
TAKEDA TADASHI (JP)
KITAHARA HIROSHI (JP)
TSUCHIHASHI MASAO (JP)
KITAHARA HIROSHI (JP)
TSUCHIHASHI MASAO (JP)
Application Number:
PCT/JP2017/028220
Publication Date:
February 15, 2018
Filing Date:
August 03, 2017
Export Citation:
Assignee:
NIDEC SANKYO CORP (JP)
International Classes:
B06B1/04; H02K33/04
Foreign References:
JP2014140785A | 2014-08-07 | |||
JP2004057958A | 2004-02-26 | |||
JPS3921405B1 | ||||
JP2016101075A | 2016-05-30 | |||
JP2014107996A | 2014-06-09 | |||
JP2011173074A | 2011-09-08 |
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