JPH032312U - - Google Patents
Info
- Publication number
- JPH032312U JPH032312U JP6283989U JP6283989U JPH032312U JP H032312 U JPH032312 U JP H032312U JP 6283989 U JP6283989 U JP 6283989U JP 6283989 U JP6283989 U JP 6283989U JP H032312 U JPH032312 U JP H032312U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder member
- outer cylinder
- coefficient
- thermal expansion
- ratio
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Lens Barrels (AREA)
Description
第１図は本考案の一実施例を示す断面図、第２
図は第１図実施例の作用を示す概略図、第３図は
本考案の他の実施例を示す断面図である。
１……レンズ、２……内筒部材、３……外筒部
材、４……受光素子、５…フランジ部、６……装
着部材、７……ねじ、８……構造体。
Fig. 1 is a sectional view showing one embodiment of the present invention;
The drawings are schematic diagrams showing the operation of the embodiment shown in FIG. 1, and FIG. 3 is a sectional view showing another embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Lens, 2... Inner tube member, 3... Outer tube member, 4... Light receiving element, 5... Flange portion, 6... Mounting member, 7... Screw, 8... Structure.
Claims (1)
外筒部材と、該外筒部材の中空部内に内装される
と共に一方の端部付近に光学部品が装着部を介し
て装着され他方の端部付近が前記外筒部材の端部
付近に結合部を介して結合される筒状の内筒部材
とを備える一方、前記外筒部材における前記取付
部及び前記結合部の距離寸法と、前記内筒部材に
おける前記結合部及び前記装着部の距離寸法との
比を、前記外筒部材の熱膨張係数と前記内筒部材
の熱膨張係数との比と略等しくしてなる光学部品
の保持構造。 A cylindrical outer cylinder member that is attached to a structure via a mounting part, and an optical component that is installed in a hollow part of the outer cylinder member near one end and is attached to the other end through the mounting part. a cylindrical inner cylinder member that is connected to the vicinity of the end of the outer cylinder member via a joint part; A holding structure for an optical component, wherein a ratio of a distance dimension between the coupling portion and the mounting portion in the member is approximately equal to a ratio between a coefficient of thermal expansion of the outer cylinder member and a coefficient of thermal expansion of the inner cylinder member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6283989U JPH032312U (en) | 1989-05-30 | 1989-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6283989U JPH032312U (en) | 1989-05-30 | 1989-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH032312U true JPH032312U (en) | 1991-01-10 |
Family
ID=31592352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6283989U Pending JPH032312U (en) | 1989-05-30 | 1989-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH032312U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5915204A (en) * | 1982-07-17 | 1984-01-26 | Canon Inc | Laser unit |
-
1989
- 1989-05-30 JP JP6283989U patent/JPH032312U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5915204A (en) * | 1982-07-17 | 1984-01-26 | Canon Inc | Laser unit |
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