JPS57139732A - Automatic loading device - Google Patents

Automatic loading device

Info

Publication number
JPS57139732A
JPS57139732A JP2585381A JP2585381A JPS57139732A JP S57139732 A JPS57139732 A JP S57139732A JP 2585381 A JP2585381 A JP 2585381A JP 2585381 A JP2585381 A JP 2585381A JP S57139732 A JPS57139732 A JP S57139732A
Authority
JP
Japan
Prior art keywords
film
spool
sprocket
wound
gear
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
JP2585381A
Other languages
Japanese (ja)
Inventor
Hiroyuki Kimura
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 JP2585381A priority Critical patent/JPS57139732A/en
Priority to US06/347,048 priority patent/US4504131A/en
Publication of JPS57139732A publication Critical patent/JPS57139732A/en
Priority to US07/070,108 priority patent/US4816852A/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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/42—Interlocking between shutter operation and advance of film or change of plate or cut-film
    • G03B17/425—Interlocking between shutter operation and advance of film or change of plate or cut-film motor drive cameras

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Details Of Cameras Including Film Mechanisms (AREA)

Abstract

PURPOSE:To realize the assured winding of a film for the automatic film loading mechanism of a camera, by forwarding the film by a sprocket until the film is wound up to a spool. CONSTITUTION:The tip of a film is put on a patrone 13, and the camera back cover is closed. Thus the preliminary film winding mode is secured with a motor 1 turning toward an arrow mark. A clutch lever turns counterclockwise, and a gear 7 bites the gears 8 and 9. A sprocket 19 turns with its projected part 18a pressed by an end 17b of a spring 17a wound round a gear 17 to forward the film. The turning speed of the spool having a friction surface and a film pressing roller is set a little higher than that of the sprocket. Thus the film is driven by the spool after the film is wound up to the spool. The projected part may possibly hit the spring end 17b at the opposite side 18b but just ride over the end 17b since the side 18b formes a cam surface.
JP2585381A 1981-02-13 1981-02-24 Automatic loading device Pending JPS57139732A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2585381A JPS57139732A (en) 1981-02-24 1981-02-24 Automatic loading device
US06/347,048 US4504131A (en) 1981-02-13 1982-02-08 Camera
US07/070,108 US4816852A (en) 1981-02-13 1987-07-06 Camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2585381A JPS57139732A (en) 1981-02-24 1981-02-24 Automatic loading device

Publications (1)

Publication Number Publication Date
JPS57139732A true JPS57139732A (en) 1982-08-28

Family

ID=12177383

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2585381A Pending JPS57139732A (en) 1981-02-13 1981-02-24 Automatic loading device

Country Status (1)

Country Link
JP (1) JPS57139732A (en)

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