JPH0311212U - - Google Patents
Info
- Publication number
- JPH0311212U JPH0311212U JP14776389U JP14776389U JPH0311212U JP H0311212 U JPH0311212 U JP H0311212U JP 14776389 U JP14776389 U JP 14776389U JP 14776389 U JP14776389 U JP 14776389U JP H0311212 U JPH0311212 U JP H0311212U
- Authority
- JP
- Japan
- Prior art keywords
- guide
- ring
- lens barrel
- groove
- guide groove
- 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
- 239000003973 paint Substances 0.000 claims description 3
Landscapes
- Lens Barrels (AREA)
Description
第１図、第２図は本考案の実施例を示すもので
、第１図は案内溝を有する案内環単独の断面図、
第２図は案内溝に可動部材のローラを嵌めた状態
の断面図である。第３図、第４図は本考案の別の
実施例を示すもので、第３図は第２図に対応する
断面図、第４図は第３図の平面図である。第５図
、第６図は従来例を示す、第１図、第２図に対応
する断面図である。
１１……案内環、１３……可動部材、１５……
艶消し塗料（内面反射防止塗料）、１７……カム
環、１８……カム溝、２０……段付案内溝、２０
ａ……幅狭部、２０ｂ……幅広部、２１……段付
軸ビス、２２……ローラ、２２ａ……小径部、２
２ｂ……大径部、ｃ……クリアランス。
1 and 2 show an embodiment of the present invention, and FIG. 1 is a sectional view of a guide ring alone having a guide groove;
FIG. 2 is a sectional view of the movable member roller fitted into the guide groove. 3 and 4 show another embodiment of the present invention, in which FIG. 3 is a sectional view corresponding to FIG. 2, and FIG. 4 is a plan view of FIG. 3. FIGS. 5 and 6 are sectional views corresponding to FIGS. 1 and 2, showing a conventional example. 11... Guide ring, 13... Movable member, 15...
Matte paint (internal anti-reflection paint), 17...Cam ring, 18...Cam groove, 20...Stepped guide groove, 20
a...Narrow width part, 20b...Wide part, 21...Stepped shaft screw, 22...Roller, 22a...Small diameter part, 2
2b...Large diameter section, c...Clearance.
Claims (1)
て相対移動可能な可動部材に設けたローラが嵌入
する案内溝を形成したレンズ鏡筒の案内装置にお
いて、 上記案内環の案内溝を、内面側が幅狭で外面側
が幅広の段付案内溝となし、 上記可動部材のローラに、この段付案内溝の幅
広部に係合する大径部と、幅狭部内にクリアラン
スを持つて位置する小径部とを設けたことを特徴
とするレンズ鏡筒の案内装置。 (2) 請求項１において、案内環の外側にはさら
に、該案内環に対して相対回動するカム環が嵌合
していて、このカム環に、案内環の案内溝とは異
なる形状のカム溝が形成されており、 このカム溝に、可動部材のローラの大径部が同
時に嵌合しているレンズ鏡筒の案内装置。 (3) 請求項１または２において、案内環の内面
には、反射防止塗料が塗布されているレンズ鏡筒
の案内装置。[Scope of Claim for Utility Model Registration] (1) In a guide device for a lens barrel, in which a guide ring of the lens barrel is provided with a guide groove into which a roller provided on a movable member movable relative to the guide ring is fitted. , the guide groove of the guide ring is a stepped guide groove with a narrow inner surface and a wide outer surface, and the roller of the movable member has a large diameter portion that engages with the wide portion of the stepped guide groove; A guide device for a lens barrel, characterized in that a small diameter part is provided with a clearance within the narrow part. (2) In claim 1, a cam ring that rotates relative to the guide ring is further fitted on the outside of the guide ring, and the cam ring has a guide groove of a shape different from that of the guide groove of the guide ring. A guide device for a lens barrel in which a cam groove is formed, and a large diameter portion of a roller of a movable member is fitted into the cam groove at the same time. (3) The lens barrel guide device according to claim 1 or 2, wherein the inner surface of the guide ring is coated with antireflection paint.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14776389U JPH087376Y2 (en) | 1989-02-21 | 1989-12-25 | Guide device for lens barrel |
| US07/627,839 US5161066A (en) | 1989-12-25 | 1990-12-17 | Engaging mechanism of roller and guide groove in optical element |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1944089 | 1989-02-21 | ||
| JP1-19440 | 1989-02-21 | ||
| JP14776389U JPH087376Y2 (en) | 1989-02-21 | 1989-12-25 | Guide device for lens barrel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0311212U true JPH0311212U (en) | 1991-02-04 |
| JPH087376Y2 JPH087376Y2 (en) | 1996-03-04 |
Family
ID=31717417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14776389U Expired - Fee Related JPH087376Y2 (en) | 1989-02-21 | 1989-12-25 | Guide device for lens barrel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH087376Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008036244A (en) * | 2006-08-08 | 2008-02-21 | Murao:Kk | Fastener |
-
1989
- 1989-12-25 JP JP14776389U patent/JPH087376Y2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008036244A (en) * | 2006-08-08 | 2008-02-21 | Murao:Kk | Fastener |
| JP4634976B2 (en) * | 2006-08-08 | 2011-02-16 | 株式会社ムラオ | Clasp |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH087376Y2 (en) | 1996-03-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |