JPS56155957A - Stopping method of optical device of copying machine - Google Patents

Stopping method of optical device of copying machine

Info

Publication number
JPS56155957A
JPS56155957A JP5961180A JP5961180A JPS56155957A JP S56155957 A JPS56155957 A JP S56155957A JP 5961180 A JP5961180 A JP 5961180A JP 5961180 A JP5961180 A JP 5961180A JP S56155957 A JPS56155957 A JP S56155957A
Authority
JP
Japan
Prior art keywords
mirror
motion
reciprocation
bevel
stopping
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
JP5961180A
Other languages
Japanese (ja)
Inventor
Shigeru Mita
Toshio Watanabe
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP5961180A priority Critical patent/JPS56155957A/en
Publication of JPS56155957A publication Critical patent/JPS56155957A/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
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/522—Projection optics
    • G03B27/525—Projection optics for slit exposure
    • G03B27/526—Projection optics for slit exposure in which the projection optics move

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)

Abstract

PURPOSE:To stop a mirror at a constant position and to start its reciprocation smoothly by stopping it with an elastic plate provided to a bracket and by increasing braking force for the return motion of the mirror above that for the going motion. CONSTITUTION:On guide rod 3, the 1st and 2nd mirror brackets 6 and 5 are supported freely slidably. The 1st mirror 7 and 2nd mirror 10 are fixed to brackets 6 and 5 respectively and, after scanned as shown by arrow A, returns to their original positions. Atop of brack 5, member 11 contacting with a curved elastic plate is fitted and at the stop position, stopping member 12 provided with bevel 12a is arranged. Bevel 12a is formed unevenly so that the braking force will be greater in the return motion of bracket 5 than in the going motion. Consequently, since said braking is not caused by repulsion, the mirrors are stopped at nearly constant positions and their reciprocation is started smoothly.
JP5961180A 1980-05-06 1980-05-06 Stopping method of optical device of copying machine Pending JPS56155957A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5961180A JPS56155957A (en) 1980-05-06 1980-05-06 Stopping method of optical device of copying machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5961180A JPS56155957A (en) 1980-05-06 1980-05-06 Stopping method of optical device of copying machine

Publications (1)

Publication Number Publication Date
JPS56155957A true JPS56155957A (en) 1981-12-02

Family

ID=13118210

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5961180A Pending JPS56155957A (en) 1980-05-06 1980-05-06 Stopping method of optical device of copying machine

Country Status (1)

Country Link
JP (1) JPS56155957A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0493853U (en) * 1990-12-29 1992-08-14

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0493853U (en) * 1990-12-29 1992-08-14

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