JPH01121122U - - Google Patents
Info
- Publication number
- JPH01121122U JPH01121122U JP19911887U JP19911887U JPH01121122U JP H01121122 U JPH01121122 U JP H01121122U JP 19911887 U JP19911887 U JP 19911887U JP 19911887 U JP19911887 U JP 19911887U JP H01121122 U JPH01121122 U JP H01121122U
- Authority
- JP
- Japan
- Prior art keywords
- diameter portion
- internal hole
- base plate
- support pin
- fitting
- 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 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図はこの考案の一実施例の光学式対物レン
ズの支承装置を示す平面図、第２図は第１図の
―に沿つた断面図、第３図は第１図の―に
沿つた断面図、第４図、第５図はそれぞれ支承装
置の支承ピンを台板に圧入する作業分順を示す図
で第４図は圧入前、第５図は圧入後を示す。第６
図は従来の光学式対物レンズの支承装置を示す平
面図、第７図は第６図の―に沿つた断面図、
第８図は第６図の―に沿つた断面図、第９図
、第１０図は従来支承装置の支承ピンを台板へ圧
入する作業手順を示す図である。
図において、２１は本体フレームを形成する台
板、２１ａは台板の内部穴、２２は支承ピン、２
２ａは支承ピンの大径部、２２ｂは支承ピンの小
径部、３は対物レンズ、４は対物レンズ保持部材
、３０は台板２１に支承ピン２１を植立固着させ
た支承装置である。なお、図中同一符号は同一ま
たは相当部分を示す。
Fig. 1 is a plan view showing a support device for an optical objective lens according to an embodiment of this invention, Fig. 2 is a sectional view taken along - in Fig. 1, and Fig. 3 is a sectional view taken along - in Fig. 1. The sectional view, FIG. 4, and FIG. 5 are views showing the order of work for press-fitting the support pin of the support device into the base plate, respectively, with FIG. 4 showing the work before press-fitting, and FIG. 5 showing the work after press-fitting. 6th
The figure is a plan view showing a conventional optical objective lens support device, FIG. 7 is a sectional view taken along the line - in FIG. 6,
FIG. 8 is a sectional view taken along the line - in FIG. 6, and FIGS. 9 and 10 are diagrams showing the procedure for press-fitting the support pin of the conventional support device into the base plate. In the figure, 21 is a base plate forming the main body frame, 21a is an internal hole of the base plate, 22 is a support pin, 2
2a is a large diameter portion of the support pin, 22b is a small diameter portion of the support pin, 3 is an objective lens, 4 is an objective lens holding member, and 30 is a support device in which the support pin 21 is planted and fixed to the base plate 21. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
小径部を上記内部穴に貫通させ、大径部を上記内
部穴に圧入した支承ピンとからなることを特徴と
する支承装置。 A support device comprising: a base plate having an internal hole; and a support pin having a large diameter portion and a small diameter portion, the small diameter portion passing through the internal hole, and the large diameter portion press-fitting into the internal hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19911887U JPH01121122U (en) | 1987-12-25 | 1987-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19911887U JPH01121122U (en) | 1987-12-25 | 1987-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01121122U true JPH01121122U (en) | 1989-08-16 |
Family
ID=31489587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19911887U Pending JPH01121122U (en) | 1987-12-25 | 1987-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01121122U (en) |
-
1987
- 1987-12-25 JP JP19911887U patent/JPH01121122U/ja active Pending
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