JPS6181636U - - Google Patents
Info
- Publication number
- JPS6181636U JPS6181636U JP16782884U JP16782884U JPS6181636U JP S6181636 U JPS6181636 U JP S6181636U JP 16782884 U JP16782884 U JP 16782884U JP 16782884 U JP16782884 U JP 16782884U JP S6181636 U JPS6181636 U JP S6181636U
- Authority
- JP
- Japan
- Prior art keywords
- rotating body
- camera
- actuating member
- cam surface
- linear displacement
- 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
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Focusing (AREA)
- Shutters For Cameras (AREA)
Description
第1図及び第2図は従来技術を説明する図、第
3図は可動部材の回転角θに対する作動部材の直
線変位量lの特性を表示したグラフで二点鎖線α
は従来特性、第4図及び第5図は本考案の実施例
を説明する図、第6図乃至第9図は本考案の他の
実施例を説明する図である。
図中、10,30,50…作動部材、20,4
0,60…定速装置、21,41,61…可動部
材、42a,56…カム面、70…レンズ駆動部
材、80…電磁石、90…撮影レンズ、100…
絞り設定部材、110…シヤツタ開閉部材、12
0…シヤツタ開放部材。
1 and 2 are diagrams for explaining the prior art, and FIG. 3 is a graph showing the characteristics of the linear displacement amount l of the actuating member with respect to the rotation angle θ of the movable member, and the dashed-dotted line α
4 and 5 are diagrams for explaining an embodiment of the present invention, and FIGS. 6 to 9 are diagrams for explaining other embodiments of the present invention. In the figure, 10, 30, 50...operating member, 20, 4
0,60...Constant speed device, 21,41,61...Movable member, 42a, 56...Cam surface, 70...Lens drive member, 80...Electromagnet, 90...Photographing lens, 100...
Aperture setting member, 110... Shutter opening/closing member, 12
0...Shutter release member.
Claims (1)
の回転体により伝動され直線変位可能な作動部材
を有するカメラに於いて、上記作動部材若しくは
回転体の何れか一方の当接部分を該作動部材の直
線変位を等速度に調整する曲率で形成されるカム
面と成したことを特徴とするカメラの作動部材調
速機構。 In a camera that has an actuating member that is in contact with a rotating body whose rotation is regulated to a constant speed and that can be linearly displaced by being transmitted by the rotating body, the abutting portion of either the actuating member or the rotating body is actuated. A speed regulating mechanism for an operating member of a camera, comprising a cam surface formed with a curvature that adjusts the linear displacement of the member to a constant velocity.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16782884U JPS6181636U (en) | 1984-11-02 | 1984-11-02 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16782884U JPS6181636U (en) | 1984-11-02 | 1984-11-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6181636U true JPS6181636U (en) | 1986-05-30 |
Family
ID=30725614
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16782884U Pending JPS6181636U (en) | 1984-11-02 | 1984-11-02 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6181636U (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5471633A (en) * | 1977-11-18 | 1979-06-08 | Seiko Koki Kk | Exposure controller for automatic focusing camera |
JPS54111824A (en) * | 1978-02-22 | 1979-09-01 | Chinon Ind Inc | Automatic focus point apparatus of camera |
JPS5827133A (en) * | 1981-08-11 | 1983-02-17 | Sorigoole Japan:Kk | Pendulum type semi-automatic focusing device |
-
1984
- 1984-11-02 JP JP16782884U patent/JPS6181636U/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5471633A (en) * | 1977-11-18 | 1979-06-08 | Seiko Koki Kk | Exposure controller for automatic focusing camera |
JPS54111824A (en) * | 1978-02-22 | 1979-09-01 | Chinon Ind Inc | Automatic focus point apparatus of camera |
JPS5827133A (en) * | 1981-08-11 | 1983-02-17 | Sorigoole Japan:Kk | Pendulum type semi-automatic focusing device |
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