JPS6365011U - - Google Patents
Info
- Publication number
- JPS6365011U JPS6365011U JP15794886U JP15794886U JPS6365011U JP S6365011 U JPS6365011 U JP S6365011U JP 15794886 U JP15794886 U JP 15794886U JP 15794886 U JP15794886 U JP 15794886U JP S6365011 U JPS6365011 U JP S6365011U
- Authority
- JP
- Japan
- Prior art keywords
- recess
- lens
- zoom lens
- cam groove
- cam
- 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 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Lens Barrels (AREA)
Description
第１図は本考案のズームレンズ機構の分解斜視
図である。第２図は本考案のズームレンズ機構を
使用した写真焼付装置の概略図である。第３図は
第１図に示したカム溝の一部を拡大して示した説
明図である。第４図は凹部の別の実施例を示す説
明図である。
１６……ネガキヤリヤ、１７……ネガフイルム
、２１，２２……焼付用レンズ、２５……スキヤ
ナーユニツト、２８……ズームレンズ、２９……
イメージセンサー、４０……印画紙、４５，４８
……レンズホルダー、４６……変倍レンズ、４９
……補正レンズ、５４……固定鏡筒、５７……マ
スターレンズ、６０……カム筒、６１，６２……
カム溝、ａ１〜ａ３，ｂ１〜ｂ３，ｃ１〜ｃ３…
…凹部。
FIG. 1 is an exploded perspective view of the zoom lens mechanism of the present invention. FIG. 2 is a schematic diagram of a photographic printing apparatus using the zoom lens mechanism of the present invention. FIG. 3 is an explanatory diagram showing a part of the cam groove shown in FIG. 1 in an enlarged manner. FIG. 4 is an explanatory diagram showing another embodiment of the recess. 16...Negative carrier, 17...Negative film, 21, 22...Printing lens, 25...Scanner unit, 28...Zoom lens, 29...
Image sensor, 40... Photographic paper, 45, 48
... Lens holder, 46 ... Variable magnification lens, 49
...Correction lens, 54...Fixed lens barrel, 57...Master lens, 60...Cam tube, 61, 62...
Cam grooves, a1 to a3, b1 to b3, c1 to c3...
...concavity.
Claims (1)
たレンズホルダーのピンをカム溝に嵌合し、カム
筒の回転でレンズホルダーを光軸方向に移動させ
るズームレンズ機構において、 使用すべき焦点距離となる位置のカム溝に、ピ
ンを位置決めするための凹部を形成したことを特
徴とするズームレンズ機構。 (2) 前記凹部は、Ｖ字形をした切欠きであるこ
とを特徴とする実用新案登録請求の範囲第１項記
載のズームレンズ機構。 (3) 前記凹部は、円弧状をした切欠きであるこ
とを特徴とする実用新案登録請求の範囲第１項記
載のズームレンズ機構。[Scope of claim for utility model registration] (1) A cam groove is formed in the cam tube, a pin of a lens holder holding a lens is fitted into the cam groove, and the lens holder is moved in the optical axis direction by rotation of the cam tube. A zoom lens mechanism characterized in that a recess for positioning a pin is formed in a cam groove at a position corresponding to a focal length to be used. (2) The zoom lens mechanism according to claim 1, wherein the recess is a V-shaped notch. (3) The zoom lens mechanism according to claim 1, wherein the recess is an arcuate notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15794886U JPS6365011U (en) | 1986-10-15 | 1986-10-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15794886U JPS6365011U (en) | 1986-10-15 | 1986-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6365011U true JPS6365011U (en) | 1988-04-28 |
Family
ID=31080972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15794886U Pending JPS6365011U (en) | 1986-10-15 | 1986-10-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6365011U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002169072A (en) * | 2000-09-22 | 2002-06-14 | Asahi Optical Co Ltd | Lens driving mechanism |
| JP2005091620A (en) * | 2003-09-16 | 2005-04-07 | Sony Corp | Lens barrel and optical apparatus |
-
1986
- 1986-10-15 JP JP15794886U patent/JPS6365011U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002169072A (en) * | 2000-09-22 | 2002-06-14 | Asahi Optical Co Ltd | Lens driving mechanism |
| JP2005091620A (en) * | 2003-09-16 | 2005-04-07 | Sony Corp | Lens barrel and optical apparatus |
| JP4517611B2 (en) * | 2003-09-16 | 2010-08-04 | ソニー株式会社 | Lens barrel and optical equipment |
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