JPS6255214U - - Google Patents
Info
- Publication number
- JPS6255214U JPS6255214U JP14486185U JP14486185U JPS6255214U JP S6255214 U JPS6255214 U JP S6255214U JP 14486185 U JP14486185 U JP 14486185U JP 14486185 U JP14486185 U JP 14486185U JP S6255214 U JPS6255214 U JP S6255214U
- Authority
- JP
- Japan
- Prior art keywords
- lens barrel
- lens
- fixing
- slopes
- optical axis
- 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
Links
- 230000003287 optical effect Effects 0.000 claims 3
Description
第１図は本考案の実施例による装置の断面図で
ある。第２図は第１図中の―矢視断面図であ
る。第３図は第１図中鏡筒１２が固定筒１５の内
部に緩嵌されているときの該略斜視図である。第
４図は本考案の別の実施例による装置の断面図で
ある。第５図は従来の装置の断面図である。第６
図は第５図中の―矢視断面図である。第７図
は第５図中鏡筒２が固定筒３の内部に緩嵌されて
いるときの概略斜視図である。第８図及び第９図
は、ビスの押圧により固定筒３の内部に固定され
た鏡筒２が偏心されたときの状態を示す側面図で
ある。
〔主要部分の符号の説明〕、１……レンズ、１
２……鏡筒、１３，１４……逆円錐状の凹部、１
５……固定筒、１８，１９……ビス。
FIG. 1 is a sectional view of a device according to an embodiment of the present invention. FIG. 2 is a sectional view taken along the - arrow in FIG. 1. FIG. 3 is a schematic perspective view of the lens barrel 12 in FIG. 1 when it is loosely fitted inside the fixed barrel 15. FIG. 4 is a cross-sectional view of a device according to another embodiment of the present invention. FIG. 5 is a sectional view of a conventional device. 6th
The figure is a sectional view taken along the - arrow in FIG. FIG. 7 is a schematic perspective view of the lens barrel 2 shown in FIG. 5 when it is loosely fitted into the fixed barrel 3. FIGS. 8 and 9 are side views showing the state when the lens barrel 2 fixed inside the fixed barrel 3 is decentered by the pressure of the screw. [Explanation of symbols of main parts], 1...Lens, 1
2... Lens barrel, 13, 14... Inverted conical recess, 1
5... Fixed cylinder, 18, 19... Screws.
Claims (1)
に互いに逆の傾斜をもつ２つの斜面を外周面に設
けた鏡筒と； 該鏡筒を内部に緩嵌し、周面のうち前記２つの
斜面に対応する位置に螺合用孔を設けた固定筒と
； を有し、前記２つの斜面の傾斜と一致する先端部
を有するビスを前記螺合用孔に螺合することによ
り前記鏡筒の光軸方向の移動及び固定を行なう装
置に於いて、 前記鏡筒の、前記斜面を設けた周面の反対側の
周面の一部を切除することにより、前記の光軸方
向と平行な２本の稜線を形成し、 該２本の稜線が前記固定筒の内周面に当接する
如く構成したことを特徴とする鏡筒の固定装置。[Claims for Utility Model Registration] A lens barrel that holds a lens therein and has two slopes on its outer circumferential surface having opposite inclinations in the optical axis direction of the lens; the lens barrel is loosely fitted inside the lens barrel; , a fixing cylinder having screw holes provided in positions corresponding to the two slopes on the circumferential surface; and a screw having a tip that matches the slope of the two slopes is screwed into the screw hole. In the device for moving and fixing the lens barrel in the optical axis direction by A fixing device for a lens barrel, characterized in that two ridgelines are formed parallel to an optical axis direction, and the two ridgelines are configured to abut an inner circumferential surface of the fixing barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14486185U JPH042416Y2 (en) | 1985-09-21 | 1985-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14486185U JPH042416Y2 (en) | 1985-09-21 | 1985-09-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6255214U true JPS6255214U (en) | 1987-04-06 |
| JPH042416Y2 JPH042416Y2 (en) | 1992-01-28 |
Family
ID=31055859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14486185U Expired JPH042416Y2 (en) | 1985-09-21 | 1985-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH042416Y2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0521217U (en) * | 1986-04-23 | 1993-03-19 | 横河・ヒユーレツト・パツカード株式会社 | Optical focus adjustment device |
| JP2006343539A (en) * | 2005-06-09 | 2006-12-21 | Shicoh Eng Co Ltd | Lens driving device |
| JP2009300761A (en) * | 2008-06-13 | 2009-12-24 | Olympus Medical Systems Corp | Imaging apparatus |
| JP2010145432A (en) * | 2008-12-16 | 2010-07-01 | Fujinon Corp | Lens barrel |
| WO2019163508A1 (en) * | 2018-02-20 | 2019-08-29 | Ｓｅｉオプティフロンティア株式会社 | Optical fiber holder |
-
1985
- 1985-09-21 JP JP14486185U patent/JPH042416Y2/ja not_active Expired
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0521217U (en) * | 1986-04-23 | 1993-03-19 | 横河・ヒユーレツト・パツカード株式会社 | Optical focus adjustment device |
| JP2006343539A (en) * | 2005-06-09 | 2006-12-21 | Shicoh Eng Co Ltd | Lens driving device |
| JP2009300761A (en) * | 2008-06-13 | 2009-12-24 | Olympus Medical Systems Corp | Imaging apparatus |
| JP2010145432A (en) * | 2008-12-16 | 2010-07-01 | Fujinon Corp | Lens barrel |
| WO2019163508A1 (en) * | 2018-02-20 | 2019-08-29 | Ｓｅｉオプティフロンティア株式会社 | Optical fiber holder |
| JPWO2019163508A1 (en) * | 2018-02-20 | 2021-02-04 | 住友電工オプティフロンティア株式会社 | Fiber optic holder |
| US11327230B2 (en) | 2018-02-20 | 2022-05-10 | Sumitomo Electric Optifrontier Co., Ltd. | Optical fiber holder |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH042416Y2 (en) | 1992-01-28 |