JPS53133430A - Aperture blade for iris diapharagm - Google Patents

Aperture blade for iris diapharagm

Info

Publication number
JPS53133430A
JPS53133430A JP4876877A JP4876877A JPS53133430A JP S53133430 A JPS53133430 A JP S53133430A JP 4876877 A JP4876877 A JP 4876877A JP 4876877 A JP4876877 A JP 4876877A JP S53133430 A JPS53133430 A JP S53133430A
Authority
JP
Japan
Prior art keywords
diapharagm
iris
aperture blade
aperture opening
aperture
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
Application number
JP4876877A
Other languages
Japanese (ja)
Inventor
Tetsuo Tamura
Shigeru Kamata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP4876877A priority Critical patent/JPS53133430A/en
Publication of JPS53133430A publication Critical patent/JPS53133430A/en
Pending legal-status Critical Current

Links

Landscapes

  • Diaphragms For Cameras (AREA)

Abstract

PURPOSE: To form a minimum aperture opening at one edge of notched parts and ready obtain a small aperture opening by providing the notched part to part of the aperture opening forming faces of aperture blades.
COPYRIGHT: (C)1978,JPO&Japio
JP4876877A 1977-04-27 1977-04-27 Aperture blade for iris diapharagm Pending JPS53133430A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4876877A JPS53133430A (en) 1977-04-27 1977-04-27 Aperture blade for iris diapharagm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4876877A JPS53133430A (en) 1977-04-27 1977-04-27 Aperture blade for iris diapharagm

Publications (1)

Publication Number Publication Date
JPS53133430A true JPS53133430A (en) 1978-11-21

Family

ID=12812448

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4876877A Pending JPS53133430A (en) 1977-04-27 1977-04-27 Aperture blade for iris diapharagm

Country Status (1)

Country Link
JP (1) JPS53133430A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4897682A (en) * 1986-06-28 1990-01-30 Minolta Camera Kabushiki Kaisha Stop device for photographic camera

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4529581Y1 (en) * 1967-03-09 1970-11-13
JPS4948321A (en) * 1972-05-30 1974-05-10
JPS4953827A (en) * 1972-07-06 1974-05-25
JPS4974529A (en) * 1972-10-11 1974-07-18
JPS5038735B2 (en) * 1972-06-20 1975-12-11
JPS5271550A (en) * 1975-12-11 1977-06-15 Toshiba Corp Flame-retarded resin compositions

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4529581Y1 (en) * 1967-03-09 1970-11-13
JPS4948321A (en) * 1972-05-30 1974-05-10
JPS5038735B2 (en) * 1972-06-20 1975-12-11
JPS4953827A (en) * 1972-07-06 1974-05-25
JPS4974529A (en) * 1972-10-11 1974-07-18
JPS5271550A (en) * 1975-12-11 1977-06-15 Toshiba Corp Flame-retarded resin compositions

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4897682A (en) * 1986-06-28 1990-01-30 Minolta Camera Kabushiki Kaisha Stop device for photographic camera

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