JPS57133415A - Lens switching mechanism - Google Patents
Lens switching mechanismInfo
- Publication number
- JPS57133415A JPS57133415A JP1797581A JP1797581A JPS57133415A JP S57133415 A JPS57133415 A JP S57133415A JP 1797581 A JP1797581 A JP 1797581A JP 1797581 A JP1797581 A JP 1797581A JP S57133415 A JPS57133415 A JP S57133415A
- Authority
- JP
- Japan
- Prior art keywords
- arm
- lenses
- eccentric shaft
- supported axially
- drum
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/14—Mountings, adjusting means, or light-tight connections, for optical elements for lenses adapted to interchange lenses
- G02B7/16—Rotatable turrets
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Variable Magnification In Projection-Type Copying Machines (AREA)
Abstract
PURPOSE:To make the mechanism small-size and to position lenses with a high precision, by using a Geneva mechanism consisting of the combination of arms and pins as a transfer driving mechanism for positioning lenses. CONSTITUTION:A tureet drum 3 having plural lenses 1 and 2, positioning means corresponding to these lenses, and a repetitive rotating means at a constant angle is supported axially through a rotating means by a pair of supporting plates 7 and 8 fixed to a fitting plate. A position detecting part and a shaft 11 having an arm 13 engaged with the repetitive rotating means at a constant angle are turnably supported axially by the supporting plate 7, and an arm 14 having a meshing holding means and a meshing releasing means is fixed axially to an eccentric shaft 15, and this eccentric shaft 15 is so supported axially by the supporting plate 8 that the arm is meshed with the positioning means; and the movement of the axis due to turning of the eccentric shaft 15 is transferred to the turret drum 3 through the arm 14, thus adjusting the rotation of the turret drum 3 minutely.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1797581A JPS57133415A (en) | 1981-02-12 | 1981-02-12 | Lens switching mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1797581A JPS57133415A (en) | 1981-02-12 | 1981-02-12 | Lens switching mechanism |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57133415A true JPS57133415A (en) | 1982-08-18 |
JPS6145206B2 JPS6145206B2 (en) | 1986-10-07 |
Family
ID=11958721
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1797581A Granted JPS57133415A (en) | 1981-02-12 | 1981-02-12 | Lens switching mechanism |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57133415A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4544236A (en) * | 1981-11-02 | 1985-10-01 | Olympus Optical Co., Ltd. | Turret |
WO2006057399A1 (en) * | 2004-11-29 | 2006-06-01 | Matsushita Electric Industrial Co., Ltd. | Zoom lens device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5094929A (en) * | 1973-12-21 | 1975-07-29 | ||
JPS5415102U (en) * | 1977-07-04 | 1979-01-31 |
-
1981
- 1981-02-12 JP JP1797581A patent/JPS57133415A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5094929A (en) * | 1973-12-21 | 1975-07-29 | ||
JPS5415102U (en) * | 1977-07-04 | 1979-01-31 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4544236A (en) * | 1981-11-02 | 1985-10-01 | Olympus Optical Co., Ltd. | Turret |
WO2006057399A1 (en) * | 2004-11-29 | 2006-06-01 | Matsushita Electric Industrial Co., Ltd. | Zoom lens device |
US7760443B2 (en) | 2004-11-29 | 2010-07-20 | Panasonic Corporation | Zoom lens device |
Also Published As
Publication number | Publication date |
---|---|
JPS6145206B2 (en) | 1986-10-07 |
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