JPH0419616Y2 - - Google Patents
Info
- Publication number
- JPH0419616Y2 JPH0419616Y2 JP5781185U JP5781185U JPH0419616Y2 JP H0419616 Y2 JPH0419616 Y2 JP H0419616Y2 JP 5781185 U JP5781185 U JP 5781185U JP 5781185 U JP5781185 U JP 5781185U JP H0419616 Y2 JPH0419616 Y2 JP H0419616Y2
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- lens holder
- bearing
- main body
- fixed shaft
- 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.)
- Expired
Links
- 238000005266 casting Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5781185U JPH0419616Y2 (enExample) | 1985-04-18 | 1985-04-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5781185U JPH0419616Y2 (enExample) | 1985-04-18 | 1985-04-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61195524U JPS61195524U (enExample) | 1986-12-05 |
| JPH0419616Y2 true JPH0419616Y2 (enExample) | 1992-05-06 |
Family
ID=30582697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5781185U Expired JPH0419616Y2 (enExample) | 1985-04-18 | 1985-04-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0419616Y2 (enExample) |
-
1985
- 1985-04-18 JP JP5781185U patent/JPH0419616Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61195524U (enExample) | 1986-12-05 |
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