JPS5552038A - Lens collapsible barrel device of single-lens reflex camera - Google Patents
Lens collapsible barrel device of single-lens reflex cameraInfo
- Publication number
- JPS5552038A JPS5552038A JP12587278A JP12587278A JPS5552038A JP S5552038 A JPS5552038 A JP S5552038A JP 12587278 A JP12587278 A JP 12587278A JP 12587278 A JP12587278 A JP 12587278A JP S5552038 A JPS5552038 A JP S5552038A
- Authority
- JP
- Japan
- Prior art keywords
- mirror
- camera body
- lens
- photographing
- lever
- 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
Landscapes
- Cameras In General (AREA)
- Structure And Mechanism Of Cameras (AREA)
Abstract
PURPOSE: To make the camera body compact by providing a mechanism which lets the mirror evacuate to outside the photographing optical path in cooperation to the collapsing operation of the photographing lens.
CONSTITUTION: When a photographing lens 2 is pushed backward in the optical axis direction by hand after photographing so as to collapse into the camera body 1, a slide member 41 slides and shifts backward by overcoming the force of a spring 43 mounted to an auxiliary plate 42. Along with the shifting of this slide member 41, a mirror up lever 30 turns counterclockwise and the mirror 20 slides upward in the clockwise direction on a slide surface 31 by overcoming the force of a spring 23. The sliding of this guide rod 22 on the lever causes the lever 30 to raise the mirror 20 to outsid the photographing optical path. At the same time, a switch 44 goes OFF and the lock of a release button 47 is released. In this way, the photographing lens 2 may be collapsed in the camera body and therefore the camera body may be made compact.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12587278A JPS5552038A (en) | 1978-10-13 | 1978-10-13 | Lens collapsible barrel device of single-lens reflex camera |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12587278A JPS5552038A (en) | 1978-10-13 | 1978-10-13 | Lens collapsible barrel device of single-lens reflex camera |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5552038A true JPS5552038A (en) | 1980-04-16 |
Family
ID=14921007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12587278A Pending JPS5552038A (en) | 1978-10-13 | 1978-10-13 | Lens collapsible barrel device of single-lens reflex camera |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5552038A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02178643A (en) * | 1988-12-29 | 1990-07-11 | Canon Inc | Camera capable of altering screen dimension |
JPH0384824U (en) * | 1989-12-19 | 1991-08-28 | ||
US6914729B2 (en) | 2002-02-07 | 2005-07-05 | Olympus Corporation | Lens barrel and picture taking apparatus having the same |
WO2023225846A1 (en) * | 2022-05-24 | 2023-11-30 | Huawei Technologies Co., Ltd. | Retractable lens barrel structure |
-
1978
- 1978-10-13 JP JP12587278A patent/JPS5552038A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02178643A (en) * | 1988-12-29 | 1990-07-11 | Canon Inc | Camera capable of altering screen dimension |
JPH0384824U (en) * | 1989-12-19 | 1991-08-28 | ||
US6914729B2 (en) | 2002-02-07 | 2005-07-05 | Olympus Corporation | Lens barrel and picture taking apparatus having the same |
US7436447B2 (en) | 2002-02-07 | 2008-10-14 | Olympus Corporation | Lens barrel and picture taking apparatus having the same |
WO2023225846A1 (en) * | 2022-05-24 | 2023-11-30 | Huawei Technologies Co., Ltd. | Retractable lens barrel structure |
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