JPH02128134U - - Google Patents
Info
- Publication number
- JPH02128134U JPH02128134U JP3785889U JP3785889U JPH02128134U JP H02128134 U JPH02128134 U JP H02128134U JP 3785889 U JP3785889 U JP 3785889U JP 3785889 U JP3785889 U JP 3785889U JP H02128134 U JPH02128134 U JP H02128134U
- Authority
- JP
- Japan
- Prior art keywords
- shutter
- opening
- shutter blade
- blade
- open
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Shutters For Cameras (AREA)
Description
第１図ないし第４図は本考案に係るフオーカル
プレーンシヤツタの一実施例を示す図であり、第
１図はこのフオーカルプレーンシヤツタの分解斜
視図、第２図はこのシヤツタの断面図、第３図は
開放シヤツタユニツトが開口を広く覆つている状
態を示す平面図、第４図はこのシヤツタの作動を
シヤツタ開口と時間との関係で示すグラフであり
、第５図ないし第７図は従来のフオーカルプレー
ンシヤツタを示す図であり、第５図はこのシヤツ
タの断面図、第６図はこのシヤツタの作動を示す
断面図、第７図はこのシヤツタの作動をシヤツタ
開口と時間との関係で示すグラフである。
１ａ……シヤツタ開口、３……閉鎖シヤツタ羽
根ユニツト（閉鎖シヤツタ羽根）、５……開放シ
ヤツタ羽根ユニツト（開放シヤツタ羽根）、１３
……制動手段。
1 to 4 are views showing one embodiment of a focal plane shutter according to the present invention, FIG. 1 is an exploded perspective view of this focal plane shutter, and FIG. 2 is a cross-sectional view of this shutter. 3 is a plan view showing a state in which the open shutter unit widely covers the opening, FIG. 4 is a graph showing the operation of this shutter in terms of the relationship between the shutter opening and time, and FIGS. is a diagram showing a conventional focal plane shutter, FIG. 5 is a sectional view of this shutter, FIG. 6 is a sectional view showing the operation of this shutter, and FIG. 7 is a diagram showing the operation of this shutter in terms of shutter opening and time. This is a graph showing the relationship between 1a...Shutter opening, 3...Closed shutter blade unit (closed shutter blade), 5...Open shutter blade unit (open shutter blade), 13
...braking means.
Claims (1)
を開放する開放シヤツタ羽根と、前記開放シヤツ
タ羽根から微少間隔だけ離隔して撮影レンズ側に
配設され、前記開放シヤツタ羽根の開放作動後に
作動してシヤツタ開口を閉鎖する閉鎖シヤツタ羽
根とを備えたフオーカルプレーンシヤツタにおい
て、前記開放シヤツタ羽根に作用して開放作動初
期の作動速度を制限する制動手段を配設したこと
を特徴とするフオーカルプレーンシヤツタ。 An opening shutter blade that is operated by the shutter release to open the shutter opening; and an opening shutter blade that is disposed on the photographing lens side at a minute distance from the opening shutter blade, and is activated after the opening operation of the opening shutter blade to open the shutter opening. What is claimed is: 1. A focal plane shutter equipped with a closing shutter blade that closes the shutter, characterized in that a braking means is provided for acting on the opening shutter blade to limit the operating speed at the initial stage of the opening operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3785889U JPH0725784Y2 (en) | 1989-03-31 | 1989-03-31 | Focal plane shutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3785889U JPH0725784Y2 (en) | 1989-03-31 | 1989-03-31 | Focal plane shutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02128134U true JPH02128134U (en) | 1990-10-23 |
| JPH0725784Y2 JPH0725784Y2 (en) | 1995-06-07 |
Family
ID=31545344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3785889U Expired - Lifetime JPH0725784Y2 (en) | 1989-03-31 | 1989-03-31 | Focal plane shutter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0725784Y2 (en) |
-
1989
- 1989-03-31 JP JP3785889U patent/JPH0725784Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0725784Y2 (en) | 1995-06-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |