JPS5677861A - Automatic mask device for copying machine - Google Patents

Automatic mask device for copying machine

Info

Publication number
JPS5677861A
JPS5677861A JP15507179A JP15507179A JPS5677861A JP S5677861 A JPS5677861 A JP S5677861A JP 15507179 A JP15507179 A JP 15507179A JP 15507179 A JP15507179 A JP 15507179A JP S5677861 A JPS5677861 A JP S5677861A
Authority
JP
Japan
Prior art keywords
original
mask plate
copying machine
width
glass
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
JP15507179A
Other languages
Japanese (ja)
Inventor
Hiroaki Ueno
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 JP15507179A priority Critical patent/JPS5677861A/en
Publication of JPS5677861A publication Critical patent/JPS5677861A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To eliminate the need for original pressing plate and prevent the peripheral part of a copy from blackening by automatically masking the part on the under surface side of contact glass other than the part corresponding to the original surface.
CONSTITUTION: The 1st mask plate 5 having width more than the width of contact glass 3 which is the original platen of a copying machine 4 is provided to the under surface of said glass in such a manner as to move in an arrow X direction; in addition, the 2nd mask plate 6 having a width more than the length of the glass 3 is provided in such a manner as to move in an arrow Y direction. The leading end of the 1st mask plate 5 moves from the home position HPx on the outer side of an A3 size mark up to the position of the end edge 1a of an original 1, and stops. The leading end of the 2nd mask plate 6 moves from the home position HPy on the outer side of an A3 size mark up to the position of the end edge 1b of the original 1.
COPYRIGHT: (C)1981,JPO&Japio
JP15507179A 1979-11-30 1979-11-30 Automatic mask device for copying machine Pending JPS5677861A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15507179A JPS5677861A (en) 1979-11-30 1979-11-30 Automatic mask device for copying machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15507179A JPS5677861A (en) 1979-11-30 1979-11-30 Automatic mask device for copying machine

Publications (1)

Publication Number Publication Date
JPS5677861A true JPS5677861A (en) 1981-06-26

Family

ID=15598013

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15507179A Pending JPS5677861A (en) 1979-11-30 1979-11-30 Automatic mask device for copying machine

Country Status (1)

Country Link
JP (1) JPS5677861A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6016141U (en) * 1983-07-11 1985-02-02 コニカ株式会社 Copy machine
JPS6028645A (en) * 1983-07-28 1985-02-13 Fuji Xerox Co Ltd Exposure region controller of copying machine
JPS6052843A (en) * 1983-09-02 1985-03-26 Fuji Xerox Co Ltd Device for shielding original scanning light
JPS6126037A (en) * 1984-07-17 1986-02-05 Fuji Xerox Co Ltd Automatic light shielding device of copying machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6016141U (en) * 1983-07-11 1985-02-02 コニカ株式会社 Copy machine
JPS6028645A (en) * 1983-07-28 1985-02-13 Fuji Xerox Co Ltd Exposure region controller of copying machine
JPS6052843A (en) * 1983-09-02 1985-03-26 Fuji Xerox Co Ltd Device for shielding original scanning light
JPH044588B2 (en) * 1983-09-02 1992-01-28
JPS6126037A (en) * 1984-07-17 1986-02-05 Fuji Xerox Co Ltd Automatic light shielding device of copying machine

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