JPS557708A - Mirror oscillation driving device - Google Patents

Mirror oscillation driving device

Info

Publication number
JPS557708A
JPS557708A JP7925778A JP7925778A JPS557708A JP S557708 A JPS557708 A JP S557708A JP 7925778 A JP7925778 A JP 7925778A JP 7925778 A JP7925778 A JP 7925778A JP S557708 A JPS557708 A JP S557708A
Authority
JP
Japan
Prior art keywords
mirror
centroid
moving portion
balancer
turning
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
JP7925778A
Other languages
Japanese (ja)
Inventor
Junichi 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 JP7925778A priority Critical patent/JPS557708A/en
Publication of JPS557708A publication Critical patent/JPS557708A/en
Pending legal-status Critical Current

Links

Landscapes

  • Mechanical Optical Scanning Systems (AREA)
  • Facsimile Scanning Arrangements (AREA)

Abstract

PURPOSE: To eliminate load fluctuations owing to turning positions by using an arc- form motor used for the exposure-scanning driving device of a copying machine and providing a balancer which so controls the centroid of the moving portion consisting of a moving element and a mirror as to position on the centerline of the mirror turning axis.
CONSTITUTION: If it is assumed that the position of the centroid of a mirror 1 was at G1, the position of an arm 5 which is fitted at its one end to a fulcrum axis 2 is so adjusted and secured that the centroid of the moving portion other than the mirror comes on G2 on the line A-A connecting said position G1 and the turning center position O of the moving portion. As a result, the centroid of the entire part of the moving portion positions to G on the A-A line. Next, a balancer 10 is secured onto the face of the mirror 1 by means of a screw or the like. The balancer 10 is adjusted by cutting its length by l or other. The addition of the balancer 10 constitutes the device so that the centroid position G0 of the entire part of the moving portion aligns to the turning center O.
COPYRIGHT: (C)1980,JPO&Japio
JP7925778A 1978-07-01 1978-07-01 Mirror oscillation driving device Pending JPS557708A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7925778A JPS557708A (en) 1978-07-01 1978-07-01 Mirror oscillation driving device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7925778A JPS557708A (en) 1978-07-01 1978-07-01 Mirror oscillation driving device

Publications (1)

Publication Number Publication Date
JPS557708A true JPS557708A (en) 1980-01-19

Family

ID=13684795

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7925778A Pending JPS557708A (en) 1978-07-01 1978-07-01 Mirror oscillation driving device

Country Status (1)

Country Link
JP (1) JPS557708A (en)

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