JPS5867324U - Operating mechanism of light shielding plate - Google Patents

Operating mechanism of light shielding plate

Info

Publication number
JPS5867324U
JPS5867324U JP16214581U JP16214581U JPS5867324U JP S5867324 U JPS5867324 U JP S5867324U JP 16214581 U JP16214581 U JP 16214581U JP 16214581 U JP16214581 U JP 16214581U JP S5867324 U JPS5867324 U JP S5867324U
Authority
JP
Japan
Prior art keywords
shielding plate
operating mechanism
light shielding
light
movable mirror
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
JP16214581U
Other languages
Japanese (ja)
Other versions
JPS6210751Y2 (en
Inventor
鈴木　政行
山道　雅義
大原　経昌
Original Assignee
キヤノン株式会社
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 by キヤノン株式会社 filed Critical キヤノン株式会社
Priority to JP16214581U priority Critical patent/JPS5867324U/en
Publication of JPS5867324U publication Critical patent/JPS5867324U/en
Application granted granted Critical
Publication of JPS6210751Y2 publication Critical patent/JPS6210751Y2/ja
Granted legal-status Critical Current

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  • Cameras In General (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

図面はいずれも本考案よりなる遮光板作動機構の実施例
を示し、第１図はその遮光板作動機構を具備せしめたカ
メラの要部説明図、第２図は同上の上下の位置調整機構
だけを示した部分図、第３図は第、２図のものに衝撃吸
収機構を付加した他の実施例の部分図、第４図は第３図
のものに、ビスにより初期張力を付加し、該初期張力値
が可変となした更に他の実施例を示した部分図である。 １・・・撮影レンズ、２・・・主ミラー、３・・・ピン
トグラス、４・・・副ミラー、５・・・受板、５ａ・・
・開口部、６・・・分割プリズム、６ａ、　　５ｂ、　
　６Ｃ・・・測距用素子、７・・・フィルム、８ａ・・
・先幕、８ｂ・・・後幕、９・・・副ミラー受板、１０
・・・主ミラーアーム、１１・・・支軸、１２・・・支
軸、１３・・・ばね、１４・・・遮光板、１５・・・偏
心突起、１６・・・緩衝ゴム、１７・・・調整板、１８
・・・調整ビス、１９・・・ビス、２０・・・緩衝用軟
質部材、２１・・・カメラ本体、２２・・・偏心突起、
２３・・・ペタプリズム、２４・・・接眼レンズ。The drawings all show an embodiment of the light-shielding plate operating mechanism according to the present invention, and Fig. 1 is an explanatory diagram of the main parts of a camera equipped with the light-shielding plate operating mechanism, and Fig. 2 only shows the same upper and lower position adjustment mechanism. FIG. 3 is a partial view of another embodiment in which a shock absorption mechanism is added to the one shown in FIGS. 2 and 2. FIG. FIG. 7 is a partial diagram showing still another embodiment in which the initial tension value is variable. 1... Photographing lens, 2... Main mirror, 3... Focusing glass, 4... Sub mirror, 5... Receiving plate, 5a...
・Aperture, 6...Divided prism, 6a, 5b,
6C...Distance measuring element, 7...Film, 8a...
・Front curtain, 8b...Rear curtain, 9...Sub mirror receiving plate, 10
... Main mirror arm, 11 ... Support shaft, 12 ... Support shaft, 13 ... Spring, 14 ... Light shielding plate, 15 ... Eccentric protrusion, 16 ... Buffer rubber, 17 ...・Adjustment plate, 18
... Adjustment screw, 19 ... Screw, 20 ... Soft cushioning member, 21 ... Camera body, 22 ... Eccentric protrusion,
23...petaprism, 24...eyepiece.

Claims (1)

【実用新案登録請求の範囲】 １　主可動ミラーに、入射する光束の少なくとも一部を
透過して該主可動ミラー後方に導く開口部を設け、更に
該主可動ミラーには遮光板が配設され観察時には該開口
部を開放し、撮影時には、遮蔽するカメラに於て、該遮
光板の開閉を制御する部材の待機位置が調整可能である
ことを特徴とする遮光板の作動機構。 ２　遮光板を制御する部材が衝撃吸収機能を有している
ことを特徴とした実用新案登録請求の範囲第１項記載の
遮光板の作動機構。 ３　衝撃吸収機構に初期張力が与えられていることを特
徴とする実用新案登録請求の範囲第２項記載の遮光板の
作動機構。[Claims for Utility Model Registration] 1. The main movable mirror is provided with an opening that transmits at least a part of the incident light beam and guides it to the rear of the main movable mirror, and further, a light shielding plate is provided on the main movable mirror. An operating mechanism for a light-shielding plate, characterized in that the standby position of a member that controls opening and closing of the light-shielding plate is adjustable in a camera that opens the opening during observation and shields during photographing. 2. The operating mechanism of a light shielding plate according to claim 1, wherein the member controlling the light shielding plate has a shock absorbing function. 3. The operating mechanism for a light shielding plate according to claim 2 of the utility model registration, characterized in that an initial tension is applied to the shock absorption mechanism.
JP16214581U 1981-10-30 1981-10-30 Operating mechanism of light shielding plate Granted JPS5867324U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16214581U JPS5867324U (en) 1981-10-30 1981-10-30 Operating mechanism of light shielding plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16214581U JPS5867324U (en) 1981-10-30 1981-10-30 Operating mechanism of light shielding plate

Publications (2)

Publication Number Publication Date
JPS5867324U true JPS5867324U (en) 1983-05-07
JPS6210751Y2 JPS6210751Y2 (en) 1987-03-13

Family

ID=29954479

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16214581U Granted JPS5867324U (en) 1981-10-30 1981-10-30 Operating mechanism of light shielding plate

Country Status (1)

Country Link
JP (1) JPS5867324U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003172973A (en) * 2001-12-06 2003-06-20 Nikon Corp Mirror device for camera
CN106125466A (en) * 2015-05-08 2016-11-16 佳能株式会社 Picture pick-up device equipped with pellicle mirror
JP2016212242A (en) * 2015-05-08 2016-12-15 キヤノン株式会社 Image-capturing device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56102540U (en) * 1979-12-28 1981-08-11

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56102540U (en) * 1979-12-28 1981-08-11

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003172973A (en) * 2001-12-06 2003-06-20 Nikon Corp Mirror device for camera
CN106125466A (en) * 2015-05-08 2016-11-16 佳能株式会社 Picture pick-up device equipped with pellicle mirror
JP2016212242A (en) * 2015-05-08 2016-12-15 キヤノン株式会社 Image-capturing device

Also Published As

Publication number Publication date
JPS6210751Y2 (en) 1987-03-13

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