JPS56107266A - Pressure-plate opening-closing device of copying machine or the like - Google Patents

Pressure-plate opening-closing device of copying machine or the like

Info

Publication number
JPS56107266A
JPS56107266A JP975280A JP975280A JPS56107266A JP S56107266 A JPS56107266 A JP S56107266A JP 975280 A JP975280 A JP 975280A JP 975280 A JP975280 A JP 975280A JP S56107266 A JPS56107266 A JP S56107266A
Authority
JP
Japan
Prior art keywords
diameter
shaft
pressure plate
pressure
slider
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
JP975280A
Other languages
Japanese (ja)
Inventor
Mitsuo Tanaka
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 JP975280A priority Critical patent/JPS56107266A/en
Publication of JPS56107266A publication Critical patent/JPS56107266A/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
    • G03B27/62—Holders for the original

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 improve the ability of setting by widening the range of angles at which a pressure plate stops through simple constitution, by providing a guide shaft 29 having both ends reduced in external diameter, and a link mechanism composed of a slider using a friction member. CONSTITUTION:To pressure-plate cover 31, guide shaft 29 is fixed and slider 33 fitted in it slidably is coupled with link 34 to constitute a link mechanism. Slider 33 is composed of holder 36 and friction member 37 of rubber fixed inside of holder 36, and its internal diameter d0 should be lesss than diameter D0 of shaft 32. Further, diameter DS of shaft 32 at both ends is made less than D0. This constitution can stop pressure plate 31 at any angle with frictional force generated by member 37. Further, the small-diameter part of shaft 32 has no frictional force and the weight of pressure plate 31 can entirely be used for setting. Thus, the range of angles at which the pressure plate stops can be windend to improve the ability of setting.
JP975280A 1980-01-30 1980-01-30 Pressure-plate opening-closing device of copying machine or the like Pending JPS56107266A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP975280A JPS56107266A (en) 1980-01-30 1980-01-30 Pressure-plate opening-closing device of copying machine or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP975280A JPS56107266A (en) 1980-01-30 1980-01-30 Pressure-plate opening-closing device of copying machine or the like

Publications (1)

Publication Number Publication Date
JPS56107266A true JPS56107266A (en) 1981-08-26

Family

ID=11729020

Family Applications (1)

Application Number Title Priority Date Filing Date
JP975280A Pending JPS56107266A (en) 1980-01-30 1980-01-30 Pressure-plate opening-closing device of copying machine or the like

Country Status (1)

Country Link
JP (1) JPS56107266A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59182435A (en) * 1983-03-31 1984-10-17 Mita Ind Co Ltd Original pressing device of copying machine
JPS60118139U (en) * 1984-01-18 1985-08-09 加藤電機株式会社 Friction mechanism of document pressure plate opening/closing device
US8055151B2 (en) * 2006-10-03 2011-11-08 Fuji Xerox Co., Ltd. Open-close apparatus and image forming apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59182435A (en) * 1983-03-31 1984-10-17 Mita Ind Co Ltd Original pressing device of copying machine
JPH0475487B2 (en) * 1983-03-31 1992-12-01 Mita Industrial Co Ltd
JPS60118139U (en) * 1984-01-18 1985-08-09 加藤電機株式会社 Friction mechanism of document pressure plate opening/closing device
JPH058599Y2 (en) * 1984-01-18 1993-03-03
US8055151B2 (en) * 2006-10-03 2011-11-08 Fuji Xerox Co., Ltd. Open-close apparatus and image forming apparatus

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