JPS5655967A - Original pressure contacting device - Google Patents

Original pressure contacting device

Info

Publication number
JPS5655967A
JPS5655967A JP13207979A JP13207979A JPS5655967A JP S5655967 A JPS5655967 A JP S5655967A JP 13207979 A JP13207979 A JP 13207979A JP 13207979 A JP13207979 A JP 13207979A JP S5655967 A JPS5655967 A JP S5655967A
Authority
JP
Japan
Prior art keywords
arm
plate
click
pressure
contacting device
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
JP13207979A
Other languages
Japanese (ja)
Inventor
Shigeru Yoshimura
Kiyomichi Ichikawa
Noriyoshi Ueda
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 JP13207979A priority Critical patent/JPS5655967A/en
Priority to DE19803038370 priority patent/DE3038370A1/en
Priority to GB8032948A priority patent/GB2064797B/en
Publication of JPS5655967A publication Critical patent/JPS5655967A/en
Priority to US06/414,885 priority patent/US4429989A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/60—Apparatus which relate to the handling of originals
    • 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
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/62—Holders for the original
    • G03B27/6207—Holders for the original in copying cameras
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00172—Apparatus for electrophotographic processes relative to the original handling
    • G03G2215/00177—Apparatus for electrophotographic processes relative to the original handling for scanning
    • G03G2215/00181—Apparatus for electrophotographic processes relative to the original handling for scanning concerning the original's state of motion
    • G03G2215/00185—Apparatus for electrophotographic processes relative to the original handling for scanning concerning the original's state of motion original at rest

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Holders For Sensitive Materials And Originals (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)

Abstract

PURPOSE:To prevent the breakage of an original pressure contacting device owing to excessive load by providing means of releasing the engagement between a pressure contact member and an arm when more than a predetermined extent of load is applied upon the original pressure contacting member. CONSTITUTION:A click plate 6 which intermediates the joining relation of an arm 7 and a pressure plate 1 is provided, and the click plate 6 which receives an engaging member 5 is provided with an oblong groove 6a which slidably engages the engaging member 5. This oblong groove is the groove notched from the end of the click plate 6, and absorbs the mutual position deviations when the turning center 2 of the pressure plate 1 and the turning center 10 of the arm 7 are not on the same axis. The leading end and trailing end of this click plate 6 are held to the arm 7 by the click receiving member 8 secured to the leading end of the arm 7 in the state that it is engaged with the oblong groove 6a, and the click spring 9 mounted to the arm. As a result, when excessive load is applied upon the pressure plate, the engagement state of the pressure plate and the arm may be released and the breakage of the pressure contacting device may be prevented.
JP13207979A 1979-10-13 1979-10-13 Original pressure contacting device Pending JPS5655967A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP13207979A JPS5655967A (en) 1979-10-13 1979-10-13 Original pressure contacting device
DE19803038370 DE3038370A1 (en) 1979-10-13 1980-10-10 MASTER HOLDING DEVICE
GB8032948A GB2064797B (en) 1979-10-13 1980-10-13 Photocopier platen cover
US06/414,885 US4429989A (en) 1979-10-13 1982-09-03 Apparatus for pressing original

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13207979A JPS5655967A (en) 1979-10-13 1979-10-13 Original pressure contacting device

Publications (1)

Publication Number Publication Date
JPS5655967A true JPS5655967A (en) 1981-05-16

Family

ID=15073009

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13207979A Pending JPS5655967A (en) 1979-10-13 1979-10-13 Original pressure contacting device

Country Status (1)

Country Link
JP (1) JPS5655967A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60126642A (en) * 1983-12-14 1985-07-06 Fuji Xerox Co Ltd Automatic opening and closing original press-contacting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60126642A (en) * 1983-12-14 1985-07-06 Fuji Xerox Co Ltd Automatic opening and closing original press-contacting device

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