JPH02140513U - - Google Patents
Info
- Publication number
- JPH02140513U JPH02140513U JP5099789U JP5099789U JPH02140513U JP H02140513 U JPH02140513 U JP H02140513U JP 5099789 U JP5099789 U JP 5099789U JP 5099789 U JP5099789 U JP 5099789U JP H02140513 U JPH02140513 U JP H02140513U
- Authority
- JP
- Japan
- Prior art keywords
- ring
- protrusions
- center axis
- circular ring
- therebetween
- 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 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Lens Barrels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5099789U JPH02140513U (en]) | 1989-04-27 | 1989-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5099789U JPH02140513U (en]) | 1989-04-27 | 1989-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02140513U true JPH02140513U (en]) | 1990-11-26 |
Family
ID=31570034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5099789U Pending JPH02140513U (en]) | 1989-04-27 | 1989-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02140513U (en]) |
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1989
- 1989-04-27 JP JP5099789U patent/JPH02140513U/ja active Pending