JPS5770527A - Original placing device - Google Patents

Original placing device

Info

Publication number
JPS5770527A
JPS5770527A JP14729780A JP14729780A JPS5770527A JP S5770527 A JPS5770527 A JP S5770527A JP 14729780 A JP14729780 A JP 14729780A JP 14729780 A JP14729780 A JP 14729780A JP S5770527 A JPS5770527 A JP S5770527A
Authority
JP
Japan
Prior art keywords
original
platen
optical scanning
bodies
pressing
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
JP14729780A
Other languages
Japanese (ja)
Inventor
Masa Sato
Hirotoshi Kishi
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 JP14729780A priority Critical patent/JPS5770527A/en
Publication of JPS5770527A publication Critical patent/JPS5770527A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G01H1/003—Measuring characteristics of vibrations in solids by using direct conduction to the detector of rotating machines
    • 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
    • G03B27/6221—Transparent copy platens
    • G03B27/6228—Platen covers

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 match an original easily and accuratly to an optical scanning start position by providing an original pressing member to an original platen freely vertically movably in opposition to the optical scanning start position of an optical scanning body. CONSTITUTION:An original pressing memver 26 consists of a slender pressing plate 26a pressing the lateral margin part of an original O, and leg bodies 26d, 26d provided at both the parts thereof. It is mounted freely vertically movably to an original platen 1 by means of screws 28 passed through the long holes 27 of said bodies 26b, 26b. It is normally held applied with the upward force of an arrow C by spring force. A brake lever 29 mounted to the platen 1 by means of a long hole 30 and a screw 31 is applied with the force in a solid line B direction by spring force, and is so constituted that an elastic body 32 mounted to the lever 29 contacts with the bodies 26b, 26b by pressure. The end of a link 33 mounted freely rotatably by the shaft 34 to the platen 1 penetrates through the hole 39 on the surface of the original platen and the hole 40 on the opposite surface of the original platen of the case 3 and is so arranged as to act upon the shaft 4 or the cam 36 fixed to the case 3.
JP14729780A 1980-10-21 1980-10-21 Original placing device Pending JPS5770527A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14729780A JPS5770527A (en) 1980-10-21 1980-10-21 Original placing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14729780A JPS5770527A (en) 1980-10-21 1980-10-21 Original placing device

Publications (1)

Publication Number Publication Date
JPS5770527A true JPS5770527A (en) 1982-05-01

Family

ID=15427010

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14729780A Pending JPS5770527A (en) 1980-10-21 1980-10-21 Original placing device

Country Status (1)

Country Link
JP (1) JPS5770527A (en)

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