JPH0269308U - - Google Patents
Info
- Publication number
- JPH0269308U JPH0269308U JP14828888U JP14828888U JPH0269308U JP H0269308 U JPH0269308 U JP H0269308U JP 14828888 U JP14828888 U JP 14828888U JP 14828888 U JP14828888 U JP 14828888U JP H0269308 U JPH0269308 U JP H0269308U
- Authority
- JP
- Japan
- Prior art keywords
- guide shaft
- hole
- fitted
- circumferential surface
- body frame
- 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
- 238000010586 diagram Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Description
第１図Ａ及びＢは夫々本考案によるズームレン
ズガイド軸の固定構造の第１実施例を備えた実体
顕微鏡の縦断面図及びその左側光学系の概略図、
第３図は第１実施例の縦断面図、第４図及び第５
図は夫々第２及び第３実施例の縦断面図、第６図
乃至第１０図は夫々従来例の縦断面図である。
１１……本体枠、１１ａ，１１ｂ……孔、１１
ａ′……上側縁部、１１ｂ′……下側縁部、１１
ａ″，１１ｂ″……面取り部、１２，２０……ガ
イド軸、１２ａ，１２ｂ……端部、１２ａ′，１
２ａ″……リング状溝、１３……Ｅリング、１４
……ビス、１５……Ｏリング、１６……第１群レ
ンズ枠、１６ａ，１８ａ……ピン、１７……バネ
、１８……第２群レンズ枠、１９……円柱カム、
１９ａ，１９ｂ……カム溝、２１……第１群用従
動子、２１ａ，２２ａ……フオーク部、２２……
第２群用従動子、２３……ワツシヤ。
FIGS. 1A and 1B are a vertical cross-sectional view of a stereoscopic microscope equipped with a first embodiment of the zoom lens guide shaft fixing structure according to the present invention, and a schematic diagram of its left optical system;
FIG. 3 is a vertical sectional view of the first embodiment, FIG. 4 and FIG.
The figures are longitudinal sectional views of the second and third embodiments, respectively, and FIGS. 6 to 10 are longitudinal sectional views of the conventional example, respectively. 11... Body frame, 11a, 11b... Hole, 11
a'...Upper edge, 11b'...Lower edge, 11
a'', 11b''... chamfered portion, 12, 20... guide shaft, 12a, 12b... end, 12a', 1
2a''...Ring groove, 13...E ring, 14
... Screw, 15 ... O-ring, 16 ... First group lens frame, 16a, 18a ... Pin, 17 ... Spring, 18 ... Second group lens frame, 19 ... Cylindrical cam,
19a, 19b...cam groove, 21...first group follower, 21a, 22a...fork portion, 22...
2nd group follower, 23... washer.
Claims (1)
ると共に、該両端部の少なくとも一方に固定され
た抜け止め用フランジ状部分と該一方が嵌合する
前記孔の縁部との間に若干の軸方向の間隙が存在
するように寸法を決め、前記両端部の少なくとも
一方の外周面と該一方が嵌合する前記孔の内周面
との間に弾性リングを径方向に押圧変形させた状
態で介置せしめて成る、ズームレンズガイド軸の
固定構造。 Both ends of the guide shaft are fitted into the holes of the main body frame, and there is a slight gap between the retaining flange-shaped part fixed to at least one of the two ends and the edge of the hole into which the one is fitted. The elastic ring is radially pressed and deformed between the outer circumferential surface of at least one of the two ends and the inner circumferential surface of the hole into which the one fits. A fixing structure for a zoom lens guide shaft that is interposed in a fixed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988148288U JPH089696Y2 (en) | 1988-11-14 | 1988-11-14 | Zoom lens for stereo microscope Fixing structure of guide axis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988148288U JPH089696Y2 (en) | 1988-11-14 | 1988-11-14 | Zoom lens for stereo microscope Fixing structure of guide axis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0269308U true JPH0269308U (en) | 1990-05-25 |
| JPH089696Y2 JPH089696Y2 (en) | 1996-03-21 |
Family
ID=31419472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988148288U Expired - Lifetime JPH089696Y2 (en) | 1988-11-14 | 1988-11-14 | Zoom lens for stereo microscope Fixing structure of guide axis |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH089696Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60163014A (en) * | 1984-02-03 | 1985-08-24 | Hitachi Ltd | Lens barrel for zoom lens |
| JPS60168109A (en) * | 1984-02-13 | 1985-08-31 | Hitachi Ltd | Lens barrel |
-
1988
- 1988-11-14 JP JP1988148288U patent/JPH089696Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60163014A (en) * | 1984-02-03 | 1985-08-24 | Hitachi Ltd | Lens barrel for zoom lens |
| JPS60168109A (en) * | 1984-02-13 | 1985-08-31 | Hitachi Ltd | Lens barrel |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH089696Y2 (en) | 1996-03-21 |