JPH0428629U - - Google Patents
Info
- Publication number
- JPH0428629U JPH0428629U JP6955590U JP6955590U JPH0428629U JP H0428629 U JPH0428629 U JP H0428629U JP 6955590 U JP6955590 U JP 6955590U JP 6955590 U JP6955590 U JP 6955590U JP H0428629 U JPH0428629 U JP H0428629U
- Authority
- JP
- Japan
- Prior art keywords
- worm wheel
- filter
- lens barrel
- retaining ring
- worm
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000011888 foil Substances 0.000 description 1
Landscapes
- Blocking Light For Cameras (AREA)
Description
第１図は第１の実施例による差し込み式フイル
タ装置の一部断面の正面図、第２図は同装置の一
部断面の側面図、第３図は第２の実施例の一部断
面の正面図、第４図は同装置を設置しているレン
ズ鏡筒の後部の断面図である。
主要部分の符号の説明、１……支持部材、２…
…保持部材、２ａ……ウオールホイール、３……
フイルタ、４……軸部材、８……操作部材、８ｂ
……ウオーム、１０１……フイルタ、１０２……
バヨネツトマウント、１０３……保持部材、１０
３ａ……ウオームホイル、１０５……固定部材、
１０９……固定筒、１０４……操作部材、１０４
ａ……ウオーム、１０５……固定部材、１０９…
…固定筒。
FIG. 1 is a partially sectional front view of a plug-in filter device according to the first embodiment, FIG. 2 is a partially sectional side view of the device, and FIG. 3 is a partially sectional side view of the same device. The front view and FIG. 4 are cross-sectional views of the rear part of the lens barrel in which the device is installed. Explanation of symbols of main parts, 1...Supporting member, 2...
...Holding member, 2a...Wall wheel, 3...
Filter, 4... Shaft member, 8... Operation member, 8b
...Warm, 101...Filter, 102...
Bayonet mount, 103... Holding member, 10
3a...worm foil, 105...fixing member,
109...Fixed tube, 104...Operation member, 104
a...Worm, 105...Fixing member, 109...
...Fixed tube.
Claims (1)
フイルタをレンズ鏡筒外部より回動操作すること
が可能なフイルタ装置において、 フイルタを回転可能に保持するための螺合部を
円周面に有し、且つウオームホイールを外周面に
刻設した保持リングと、 該保持リングを回動自在に支持する支持部材と
、 該保持リングをレンズ鏡筒外部より回動操作可
能であり、且つ該ウオームホイールと係合するウ
オームを有する操作部材とを具備することを特徴
とするフイルタ装置。[Claims for Utility Model Registration] In a filter device that holds a filter inside a lens barrel and can be rotated from outside the lens barrel, a threaded portion for rotatably holding the filter a retaining ring having a worm wheel on its circumferential surface and a worm wheel engraved on its outer peripheral surface; a support member rotatably supporting the retaining ring; and an operating member having a worm that engages with the worm wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6955590U JPH0428629U (en) | 1990-07-02 | 1990-07-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6955590U JPH0428629U (en) | 1990-07-02 | 1990-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0428629U true JPH0428629U (en) | 1992-03-06 |
Family
ID=31604962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6955590U Pending JPH0428629U (en) | 1990-07-02 | 1990-07-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0428629U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000249888A (en) * | 1999-02-26 | 2000-09-14 | Canon Inc | Optical instrument |
| KR100440954B1 (en) * | 2001-09-04 | 2004-07-21 | 삼성전자주식회사 | Fine adjusting apparatus of optical device |
| JP2020067575A (en) * | 2018-10-25 | 2020-04-30 | 株式会社シグマ | Lens barrel |
-
1990
- 1990-07-02 JP JP6955590U patent/JPH0428629U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000249888A (en) * | 1999-02-26 | 2000-09-14 | Canon Inc | Optical instrument |
| KR100440954B1 (en) * | 2001-09-04 | 2004-07-21 | 삼성전자주식회사 | Fine adjusting apparatus of optical device |
| JP2020067575A (en) * | 2018-10-25 | 2020-04-30 | 株式会社シグマ | Lens barrel |