JP2013104941A5 - - Google Patents
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- Publication number
- JP2013104941A5 JP2013104941A5 JP2011247185A JP2011247185A JP2013104941A5 JP 2013104941 A5 JP2013104941 A5 JP 2013104941A5 JP 2011247185 A JP2011247185 A JP 2011247185A JP 2011247185 A JP2011247185 A JP 2011247185A JP 2013104941 A5 JP2013104941 A5 JP 2013104941A5
- Authority
- JP
- Japan
- Prior art keywords
- rack
- feed screw
- holding member
- optical apparatus
- optical element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Claims (3)
前記保持部材は前記光学素子を保持し、
前記ラック部材は少なくとも１ヵ所のラックを有し、さらに前記ラック部材は前記保持部材に取り付けられ、
前記ラック部材は前記ラックの歯筋と略平行である方向に前記送りねじへ挿入され、
前記送りねじは、前記ラックに噛み合って回転することで前記保持部材を駆動し、
前記ラックはラック挿入方向の端面に行くに従い歯幅が狭くなっている
ことを特徴とする光学機器。 At least one optical element, a holding member, a rack member, and a feed screw;
The holding member holds the optical element;
The rack member has at least one rack, and the rack member is attached to the holding member;
The rack member is inserted into the feed screw in a direction substantially parallel to the tooth traces of the rack;
The feed screw engages with the rack and rotates to drive the holding member,
An optical apparatus according to claim 1, wherein the rack has a narrower tooth width toward an end face in a rack insertion direction.
当該バネは、前記ラック部材のラックを前記送りねじに押し付ける方向に付勢する、The spring biases the rack of the rack member in a direction in which the rack is pressed against the feed screw;
請求項１に記載の光学機器。The optical apparatus according to claim 1.
請求項１に記載の光学機器。The optical apparatus according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011247185A JP5824658B2 (en) | 2011-11-11 | 2011-11-11 | Optical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011247185A JP5824658B2 (en) | 2011-11-11 | 2011-11-11 | Optical equipment |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013104941A JP2013104941A (en) | 2013-05-30 |
| JP2013104941A5 true JP2013104941A5 (en) | 2014-06-19 |
| JP5824658B2 JP5824658B2 (en) | 2015-11-25 |
Family
ID=48624523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011247185A Active JP5824658B2 (en) | 2011-11-11 | 2011-11-11 | Optical equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5824658B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108096719B (en) * | 2016-11-25 | 2020-04-28 | 上海东软医疗科技有限公司 | Telescopic mechanism, image guide system and linear accelerator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03117757A (en) * | 1989-09-29 | 1991-05-20 | Suda Tekkosho:Kk | Rack and pinion mechanism |
| JPH11295580A (en) * | 1998-04-16 | 1999-10-29 | Sony Corp | Transport mechanism |
| JP4555582B2 (en) * | 2004-02-03 | 2010-10-06 | Ｈｏｙａ株式会社 | Lens movement mechanism |
| JP4684735B2 (en) * | 2005-04-28 | 2011-05-18 | Ｈｏｙａ株式会社 | Movement mechanism |
| JP4973227B2 (en) * | 2007-02-16 | 2012-07-11 | 株式会社ニコン | Driving device, lens barrel and camera |
| JP2009139516A (en) * | 2007-12-05 | 2009-06-25 | Panasonic Corp | Lens driving device |
| KR101624653B1 (en) * | 2010-03-10 | 2016-05-26 | 삼성전자주식회사 | Apparatus for driving lens |
-
2011
- 2011-11-11 JP JP2011247185A patent/JP5824658B2/en active Active
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