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Patent Searching and Data


Title:
LINEAR ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2017/221557
Kind Code:
A1
Abstract:
Provided is a linear actuator configured such that the contact between a plate spring connected to an inner core and also to an outer core, and the inner core can be prevented using a configuration which can be assembled easily. A stator 2 has a spacer 100 which is disposed at an opening of a through hole 11a in the inner core 10, and through which a shaft 6 extends. The plate spring is configured such that the outer frame thereof is connected to the outer core, and an affixed section thereof is connected to the inner core 10 through the spacer 100 while the shaft extends through the affixed section. The spacer 100 has: a through section 110 having an insertion hole 111 into which the shaft is inserted; and restriction sections 120, 130 for preventing the plate spring from being displaced toward the inner core 10 an amount greater than or equal to a predetermined amount.

Inventors:
MURAGUCHI YOSUKE (JP)
TAKIZAWA HIROSHI (JP)
SAKAI YASUHIRO (JP)
FUJII TAKAYOSHI (JP)
FUKUNAGA TAKASHI (JP)
Application Number:
PCT/JP2017/017290
Publication Date:
December 28, 2017
Filing Date:
May 02, 2017
Export Citation:
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Assignee:
SINFONIA TECHNOLOGY CO LTD (JP)
International Classes:
H02K33/16
Foreign References:
JP2012217257A2012-11-08
JP2012249425A2012-12-13
JP2013179750A2013-09-09
Other References:
See also references of EP 3454461A4
Attorney, Agent or Firm:
SUZUKI Kazuaki et al. (JP)
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