JPS56123524A - Film winding-up device - Google Patents

Film winding-up device

Info

Publication number
JPS56123524A
JPS56123524A JP2714580A JP2714580A JPS56123524A JP S56123524 A JPS56123524 A JP S56123524A JP 2714580 A JP2714580 A JP 2714580A JP 2714580 A JP2714580 A JP 2714580A JP S56123524 A JPS56123524 A JP S56123524A
Authority
JP
Japan
Prior art keywords
ratchet
film
counting mechanism
perforation passes
revolution
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
JP2714580A
Other languages
Japanese (ja)
Inventor
Kazuo Saida
Shigeru Kojima
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.)
Mamiya Camera Co Ltd
Original Assignee
Mamiya Camera Co Ltd
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 Mamiya Camera Co Ltd filed Critical Mamiya Camera Co Ltd
Priority to JP2714580A priority Critical patent/JPS56123524A/en
Publication of JPS56123524A publication Critical patent/JPS56123524A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B1/00—Film strip handling
    • G03B1/60—Measuring or indicating length of the used or unused film; Counting number of exposures
    • G03B1/62—Measuring or indicating length of the used or unused film; Counting number of exposures involving locking or stop-motion devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Details Of Cameras Including Film Mechanisms (AREA)
  • Camera Bodies And Camera Details Or Accessories (AREA)

Abstract

PURPOSE:To enable wind-up of film accurately, by providing the locking mechanism which meshes to a ratchet when the number of perforation passes reaches a given number and blocks the revolution of the ratchet. CONSTITUTION:The device is provided with a ratchet 4 fitted coaxially to the film winding-up shaft 1 and the counting mechanism which detects the number of perforation passes moved with the wind-up of film and count the number. The counting mechanism consists of a unidirectional member 21 and an operating member 10. When the number of perforation passes counted with this counting mechanism reaches a given number, the locking mechanism which consists of a stop lever 26 and a holding lever 30 latches with the ratchet with it and blocks the revolution of the ratchet.
JP2714580A 1980-03-04 1980-03-04 Film winding-up device Pending JPS56123524A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2714580A JPS56123524A (en) 1980-03-04 1980-03-04 Film winding-up device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2714580A JPS56123524A (en) 1980-03-04 1980-03-04 Film winding-up device

Publications (1)

Publication Number Publication Date
JPS56123524A true JPS56123524A (en) 1981-09-28

Family

ID=12212879

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2714580A Pending JPS56123524A (en) 1980-03-04 1980-03-04 Film winding-up device

Country Status (1)

Country Link
JP (1) JPS56123524A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0745888A2 (en) * 1995-06-01 1996-12-04 Canon Kabushiki Kaisha Camera with means for magnetic recording on film and film positioning means

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49121524A (en) * 1973-03-20 1974-11-20
JPS5370430A (en) * 1976-12-03 1978-06-22 Minolta Camera Co Ltd Safety switch device for electromagnetic release camera

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49121524A (en) * 1973-03-20 1974-11-20
JPS5370430A (en) * 1976-12-03 1978-06-22 Minolta Camera Co Ltd Safety switch device for electromagnetic release camera

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0745888A2 (en) * 1995-06-01 1996-12-04 Canon Kabushiki Kaisha Camera with means for magnetic recording on film and film positioning means
EP0745888A3 (en) * 1995-06-01 1998-07-29 Canon Kabushiki Kaisha Camera with means for magnetic recording on film and film positioning means
US6049678A (en) * 1995-06-01 2000-04-11 Canon Kabushiki Kaisha Camera preventing film movement in stopped state

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