JPH02149924U - - Google Patents

Info

Publication number
JPH02149924U
JPH02149924U JP5893489U JP5893489U JPH02149924U JP H02149924 U JPH02149924 U JP H02149924U JP 5893489 U JP5893489 U JP 5893489U JP 5893489 U JP5893489 U JP 5893489U JP H02149924 U JPH02149924 U JP H02149924U
Authority
JP
Japan
Prior art keywords
shutter
opening
blade
shutter blade
closed
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
Application number
JP5893489U
Other languages
Japanese (ja)
Other versions
JPH0731225Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989058934U priority Critical patent/JPH0731225Y2/en
Publication of JPH02149924U publication Critical patent/JPH02149924U/ja
Application granted granted Critical
Publication of JPH0731225Y2 publication Critical patent/JPH0731225Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Shutters For Cameras (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図ないし第５図は本考案に係るフオーカル
プレーンシヤツタの実施例を示す図であり、第１
図は開放シヤツタ羽根と閉鎖シヤツタ羽根とがシ
ヤツタ開口を遮蔽している状態を示す平面図、第
２図は閉鎖シヤツタ羽根を駆動する駆動機構およ
び遅延機構を示す平面図、第３図および第４図は
それぞれ駆動機構および遅延機構の作動を示す平
面図、第５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。第６図お
よび第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６図は開放シヤツタ羽根と閉
鎖シヤツタ羽根とがシヤツタ開口を遮蔽している
状態を示す平面図、第７図は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。 ２……開放シヤツタ羽根ユニツト、３……閉鎖
シヤツタ羽根ユニツト、４……開放スリツト羽根
、１０……閉鎖スリツト羽根、３１……遅延機構
。 1 to 5 are diagrams showing embodiments of the focal plane shutter according to the present invention, and FIG.
The figure is a plan view showing a state in which the open shutter blade and the closed shutter blade cover the shutter opening, FIG. 2 is a plan view showing the drive mechanism and delay mechanism for driving the closed shutter blade, and FIGS. Each figure is a plan view showing the operation of the drive mechanism and the delay mechanism, and FIG. 5 is a graph showing the operation of the shutter in terms of the relationship between shutter opening and time. 6 and 7 are diagrams showing a conventional focal plane shutter. FIG. 6 is a plan view showing a state in which an open shutter blade and a closed shutter blade cover the shutter opening, and FIG. 7 is a diagram showing a conventional focal plane shutter. is a graph showing the shutter operation in terms of the relationship between shutter opening and time. 2... Open shutter blade unit, 3... Closed shutter blade unit, 4... Open slit blade, 10... Closed slit blade, 31... Delay mechanism.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シヤツタレリーズにより作動してシヤツタ開口
を開放する開放シヤツタ羽根と、前記シヤツタ羽
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、該閉鎖シヤツタ羽
根によつてシヤツタ開口を遮蔽しており、前記開
放シヤツタ羽根の開放作動直前には該閉鎖シヤツ
タ羽根をシヤツタ開口から退避させるフオーカル
プレーンシヤツタにおいて、前記閉鎖シヤツタ羽
根の退避速度を減速させる遅延機構を配設したこ
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 activated by the shutter release to open the shutter opening, and a closing shutter blade that is activated to close the shutter opening after the opening operation of the shutter blade, and the shutter opening is shielded by the closing shutter blade. The focal plane shutter retracts the closed shutter blade from the shutter opening immediately before the opening operation of the open shutter blade, further comprising a delay mechanism that reduces the retraction speed of the closed shutter blade. Focal plane shutter.
JP1989058934U 1989-05-22 1989-05-22 Focal plane shutter Expired - Lifetime JPH0731225Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989058934U JPH0731225Y2 (en) 1989-05-22 1989-05-22 Focal plane shutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989058934U JPH0731225Y2 (en) 1989-05-22 1989-05-22 Focal plane shutter

Publications (2)

Publication Number Publication Date
JPH02149924U true JPH02149924U (en) 1990-12-21
JPH0731225Y2 JPH0731225Y2 (en) 1995-07-19

Family

ID=31584987

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989058934U Expired - Lifetime JPH0731225Y2 (en) 1989-05-22 1989-05-22 Focal plane shutter

Country Status (1)

Country Link
JP (1) JPH0731225Y2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55162225U (en) * 1979-05-10 1980-11-21

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55162225U (en) * 1979-05-10 1980-11-21

Also Published As

Publication number Publication date
JPH0731225Y2 (en) 1995-07-19

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term