JPH0443215U - - Google Patents
Info
- Publication number
- JPH0443215U JPH0443215U JP8398790U JP8398790U JPH0443215U JP H0443215 U JPH0443215 U JP H0443215U JP 8398790 U JP8398790 U JP 8398790U JP 8398790 U JP8398790 U JP 8398790U JP H0443215 U JPH0443215 U JP H0443215U
- Authority
- JP
- Japan
- Prior art keywords
- outer cylinder
- lead
- focus ring
- pin
- cylinder
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Telescopes (AREA)
- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Description
第１図乃至第３図は本考案に係る実施例を示す
ものであり、第１図は望遠鏡の粗微動装置の縦断
面図、第２図はリード筒の斜視図、第３図は微動
筒の斜視図、第４図は従来の粗微動装置を示す一
部破断斜視図である。
１０……外筒、１１……接眼部、１２……ケー
シング、１８……回転止めピン、２０……内筒、
２２……合焦レンズ、２４……リードねじ、３０
……リード筒、３２……リード溝、３４……長孔
、４０……微動筒、４２……前後溝、４４……雄
ねじ部、５０……フオーカスリング、５２……雌
ねじ部、５４……粗動ピン、６０……付勢手段（
スプリング）、Ｌ……光軸。
Figures 1 to 3 show an embodiment of the present invention, in which Figure 1 is a longitudinal cross-sectional view of the coarse and fine movement device of the telescope, Figure 2 is a perspective view of the reed tube, and Figure 3 is the fine movement tube. FIG. 4 is a partially cutaway perspective view showing a conventional coarse and fine movement device. 10... Outer cylinder, 11... Eyepiece, 12... Casing, 18... Rotation stop pin, 20... Inner cylinder,
22... Focusing lens, 24... Lead screw, 30
... Lead cylinder, 32 ... Lead groove, 34 ... Long hole, 40 ... Fine movement tube, 42 ... Front and rear grooves, 44 ... Male thread section, 50 ... Focus ring, 52 ... Female thread section, 54 ... ...coarse movement pin, 60...biasing means (
Spring), L...Optical axis.
Claims (1)
回転止めピンが立設されたケーシングに固定され
た外筒と、 合焦レンズを保持し、前記外筒の長孔を貫通す
るリードねじが形成されると共に前記外筒内で軸
方向移動可能に配された内筒と、 外周に小ピツチの雄ねじ部が形成されると共に
内側に軸方向の前後溝が形成され、該前後溝を前
記外筒の回転止めピンと係合させて外筒の外周に
組付けられた微動筒と、 外筒に回転可能に支承され、前記微動筒の外周
の雄ねじ部と噛合すると共に粗動ピンを軸方向に
立設したフオーカスリングと、 前記リードねじの先端が係合するリード溝を内
周面に形成し、前記フオーカスリング側端部で円
周方向に長孔が形成されたリード筒と、 からなり、前記リード筒の長孔内に前記フオーカ
スリングの粗動ピンを位置させ、前記ケーシング
と前記リード筒の間に付勢手段を配設してなるこ
とを特徴とする粗微動装置。[Claims for Utility Model Registration] An outer cylinder fixed to a casing in which a long hole is formed in the axial direction and a rotation stopper pin is erected outward; and the outer cylinder holds a focusing lens; A lead screw passing through the elongated hole is formed, and an inner cylinder is arranged to be movable in the axial direction within the outer cylinder, and a small pitch male threaded part is formed on the outer periphery, and an axial front and back groove is formed inside. a fine movement cylinder formed on the outer cylinder and assembled to the outer periphery of the outer cylinder by engaging the front and rear grooves with the rotation stop pin of the outer cylinder; At the same time, a focus ring having a coarse movement pin erected in the axial direction, a lead groove in which the tip of the lead screw engages is formed on the inner peripheral surface, and an elongated hole is formed in the circumferential direction at the end of the focus ring side. and a lead tube in which a coarse movement pin of the focus ring is positioned in a long hole of the lead tube, and a biasing means is disposed between the casing and the lead tube. A coarse and fine movement device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8398790U JP2514757Y2 (en) | 1990-08-10 | 1990-08-10 | Coarse / fine movement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8398790U JP2514757Y2 (en) | 1990-08-10 | 1990-08-10 | Coarse / fine movement device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0443215U true JPH0443215U (en) | 1992-04-13 |
| JP2514757Y2 JP2514757Y2 (en) | 1996-10-23 |
Family
ID=31632107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8398790U Expired - Lifetime JP2514757Y2 (en) | 1990-08-10 | 1990-08-10 | Coarse / fine movement device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2514757Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586606A (en) * | 2021-08-31 | 2021-11-02 | 中船动力镇江有限公司 | Dovetail groove guide rail anti-loosening device and installation and adjustment method |
-
1990
- 1990-08-10 JP JP8398790U patent/JP2514757Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586606A (en) * | 2021-08-31 | 2021-11-02 | 中船动力镇江有限公司 | Dovetail groove guide rail anti-loosening device and installation and adjustment method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2514757Y2 (en) | 1996-10-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |