JPH036614U - - Google Patents
Info
- Publication number
- JPH036614U JPH036614U JP6570089U JP6570089U JPH036614U JP H036614 U JPH036614 U JP H036614U JP 6570089 U JP6570089 U JP 6570089U JP 6570089 U JP6570089 U JP 6570089U JP H036614 U JPH036614 U JP H036614U
- Authority
- JP
- Japan
- Prior art keywords
- movable
- tube
- helicoid
- threaded portion
- movable ring
- 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 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
Description
第１図は本考案のレンズ鏡筒の画揺れ防止機構
の第１実施例の断面図である。第２図は本考案の
レンズ鏡筒の画揺れ防止機構の第２実施例の断面
図である。
２……固定筒、３……凹レンズ、５……光軸、
６……フオーカスリング、１６……雌ヘリコイド
、１７……フオーカスレンズ、１８……可動筒、
１９……雄ヘリコイド、２２……バネ、２５，２
６……板バネ。
FIG. 1 is a cross-sectional view of a first embodiment of the image stabilization mechanism for a lens barrel according to the present invention. FIG. 2 is a sectional view of a second embodiment of the image stabilization mechanism for a lens barrel according to the present invention. 2...Fixed tube, 3...Concave lens, 5...Optical axis,
6... Focus ring, 16... Female helicoid, 17... Focus lens, 18... Movable tube,
19...Male helicoid, 22...Spring, 25,2
6...Plate spring.
Claims (1)
ネジ部を形成した可動リングと、フオーカスレン
ズを保持するとともに前記ヘリコイドネジ部に移
動自在に螺合され、可動リングの回動により光軸
方向に進退する可動筒と、前記固定筒に設けられ
、可動筒をスラスト方向に付勢して、可動リング
のヘリコイドネジ部に可動筒のヘリコイドネジ部
を押圧する付勢手段とからなることを特徴とする
レンズ鏡筒の画揺れ防止機構。 (2) 固定筒に回動自在に設けられ、ヘリコイド
ネジ部を形成した可動リングと、フオーカスレン
ズを保持するとともに前記ヘリコイドネジ部に移
動自在に螺合され、可動リングの回動により光軸
方向に進退する可動筒と、前記固定筒に設けられ
、可動筒をラジアル方向に付勢して、可動リング
のヘリコイドネジ部に可動筒のヘリコイドネジ部
を押圧する付勢手段とからなることを特徴とする
レンズ鏡筒の画揺れ防止機構。[Claims for Utility Model Registration] (1) A movable ring that is rotatably provided on a fixed barrel and has a helicoid threaded portion, and a movable ring that holds a focus lens and is movably screwed into the helicoid threaded portion; A movable tube that moves forward and backward in the optical axis direction as the movable ring rotates, and a movable tube that is provided on the fixed tube and urges the movable tube in the thrust direction to press the helicoid screw portion of the movable tube against the helicoid screw portion of the movable ring. A mechanism for preventing image shake of a lens barrel, comprising a biasing means. (2) A movable ring that is rotatably provided on the fixed tube and has a helicoid threaded portion, and a movable ring that holds the focus lens and is movably screwed into the helicoid threaded portion, and that rotates the optical axis by rotating the movable ring. A movable tube that moves forward and backward in the direction, and a biasing means provided on the fixed tube that biases the movable tube in the radial direction and presses the helicoid threaded portion of the movable tube against the helicoid threaded portion of the movable ring. Features a lens barrel image stabilization mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6570089U JPH036614U (en) | 1989-06-05 | 1989-06-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6570089U JPH036614U (en) | 1989-06-05 | 1989-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH036614U true JPH036614U (en) | 1991-01-23 |
Family
ID=31597760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6570089U Pending JPH036614U (en) | 1989-06-05 | 1989-06-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH036614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017075785A (en) * | 2015-10-13 | 2017-04-20 | 株式会社島津製作所 | Scanning type probe microscope |
-
1989
- 1989-06-05 JP JP6570089U patent/JPH036614U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017075785A (en) * | 2015-10-13 | 2017-04-20 | 株式会社島津製作所 | Scanning type probe microscope |
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