JPH0465306U - - Google Patents
Info
- Publication number
- JPH0465306U JPH0465306U JP10766090U JP10766090U JPH0465306U JP H0465306 U JPH0465306 U JP H0465306U JP 10766090 U JP10766090 U JP 10766090U JP 10766090 U JP10766090 U JP 10766090U JP H0465306 U JPH0465306 U JP H0465306U
- Authority
- JP
- Japan
- Prior art keywords
- thread
- helicoid
- shape
- screw
- different
- 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 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Lens Barrels (AREA)
Description
第１図は一実施例のヘリコイドネジを適用した
レンズ鏡胴の中央断面図、第２図は従来のヘリコ
イドネジを適用したレンズ鏡胴の中央断面図、第
３図は前レンズ群の位置検出器の例を示した図で
ある。
図中、１……鏡胴、２……レンズホルダー、３
……前レンズ群、５……後レンズ群である。
Fig. 1 is a central cross-sectional view of a lens barrel to which a helicoid screw according to an embodiment is applied, Fig. 2 is a central cross-sectional view of a lens barrel to which a conventional helicoid screw is applied, and Fig. 3 is a position detection of the front lens group. It is a figure showing an example of a container. In the diagram, 1... Lens barrel, 2... Lens holder, 3
. . . front lens group, 5 . . . rear lens group.
Claims (1)
ジを一体形成した内筒と、 内周面に形成される多条の内ヘリコイドネジを
一体形成した外筒と、 を螺合してなるヘリコイドネジを備えるレンズ保
持体であつて、 前記外ヘリコイドネジと前記内ヘリコイドネジ
の少なくとも１条のネジ山形状を他のネジ山形状
と異ならせることで、前記螺合の組み合わせを１
通りにすることを特徴とするヘリコイドネジを備
えるレンズ保持体。 (2) ネジ山の幅形状を他のネジ山形状と異なら
せることを特徴とする請求項第１項に記載のヘリ
コイドネジを備えるレンズ保持体。[Claims for Utility Model Registration] (1) An inner cylinder integrally formed with a multi-thread external helicoid thread formed on the outer peripheral surface, and an outer cylinder integrally formed with a multi-thread internal helicoid thread formed on the inner peripheral surface. and a helicoid screw screwed together, wherein the thread shape of at least one thread of the outer helicoid thread and the inner helicoid thread is made different from the other thread shapes, so that the thread shape of the thread is different from that of the other threads. 1 combination of
A lens holder equipped with a helicoid screw, which is characterized by a helicoid screw. (2) A lens holder equipped with a helicoid screw according to claim 1, wherein the width shape of the screw thread is different from the shape of other thread threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10766090U JPH0738891Y2 (en) | 1990-10-16 | 1990-10-16 | Lens holder with helicoid screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10766090U JPH0738891Y2 (en) | 1990-10-16 | 1990-10-16 | Lens holder with helicoid screw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0465306U true JPH0465306U (en) | 1992-06-05 |
| JPH0738891Y2 JPH0738891Y2 (en) | 1995-09-06 |
Family
ID=31854293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10766090U Expired - Lifetime JPH0738891Y2 (en) | 1990-10-16 | 1990-10-16 | Lens holder with helicoid screw |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0738891Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021113391A (en) * | 2020-01-16 | 2021-08-05 | Ｊｆｅスチール株式会社 | Multiple thread screw joint, steel pipe with joint, structure, construction method of structure, and design and manufacturing method of multiple thread screw joint |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6996543B2 (en) * | 2018-12-26 | 2022-01-17 | Ｊｆｅスチール株式会社 | Multi-threaded thread joints, steel pipes with joints, structures, construction methods of structures, design methods and manufacturing methods of multi-threaded threaded joints |
-
1990
- 1990-10-16 JP JP10766090U patent/JPH0738891Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021113391A (en) * | 2020-01-16 | 2021-08-05 | Ｊｆｅスチール株式会社 | Multiple thread screw joint, steel pipe with joint, structure, construction method of structure, and design and manufacturing method of multiple thread screw joint |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0738891Y2 (en) | 1995-09-06 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |