Title:
LIGHT ADJUSTMENT DEVICE AND OPTICAL INSTRUMENT EQUIPPED WITH LIGHT ADJUSTMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/208078
Kind Code:
A1
Abstract:
Light adjustment devices are small, and positioning the small structural components therein during assembly is complicated. A demand exists for a structure allowing engagement in accurate positions and orientations during installation. In a light adjustment device of the present invention, a first positioning portion (protuberance) and a second positioning portion (predetermined-direction groove) are formed in advance in a location where the yoke of an electromagnetic drive source and a drive mechanism are joined together, and the positioning portions are fitted and locked together during installation, whereby the electromagnetic drive source can be provided upright on the drive mechanism in an accurate position and at the desired slant.
Inventors:
KITANAKA TOMOHIRO (JP)
Application Number:
PCT/JP2015/068565
Publication Date:
December 29, 2016
Filing Date:
June 26, 2015
Export Citation:
Assignee:
OLYMPUS CORP (JP)
International Classes:
G03B9/02; G02B23/26
Foreign References:
| JP2013076900A | 2013-04-25 | |||
| JP2009080470A | 2009-04-16 | |||
| JP2008187832A | 2008-08-14 | |||
| JPH11183962A | 1999-07-09 | |||
| JP2006333606A | 2006-12-07 | |||
| JP2013178558A | 2013-09-09 | |||
| JP2003052162A | 2003-02-21 |
Attorney, Agent or Firm:
KURATA, Masatoshi et al. (JP)
Masatoshi Kurata (JP)
Masatoshi Kurata (JP)
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