JPS5583067A - Constant spacing holding method - Google Patents

Constant spacing holding method

Info

Publication number
JPS5583067A
JPS5583067A JP16067878A JP16067878A JPS5583067A JP S5583067 A JPS5583067 A JP S5583067A JP 16067878 A JP16067878 A JP 16067878A JP 16067878 A JP16067878 A JP 16067878A JP S5583067 A JPS5583067 A JP S5583067A
Authority
JP
Japan
Prior art keywords
cylinder
operating body
balls
circumferential surface
bottom end
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.)
Granted
Application number
JP16067878A
Other languages
Japanese (ja)
Other versions
JPS6243179B2 (en
Inventor
Satoru Tomita
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 JP16067878A priority Critical patent/JPS5583067A/en
Publication of JPS5583067A publication Critical patent/JPS5583067A/en
Publication of JPS6243179B2 publication Critical patent/JPS6243179B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Common Mechanisms (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Electrophotography Using Other Than Carlson'S Method (AREA)
  • Dot-Matrix Printers And Others (AREA)

Abstract

PURPOSE:To maintain spacing size accurately constant by placing the longitudinally acting body disposed in opposing contact with the width line of the outside circumferential surface of a cylindrical rotary operating body across a pair of arm members which makes slide contact through elastic pressure with the side end faces, etc. of the operating body. CONSTITUTION:The dielectric drum 5 as a rotary operating body comprises coupling a cylinder 6A to a drum shaft 8 by way of two sheets of discs 7 and being provided with the annular groove 6a in which balls 9 fit on the inside wall surfaces closer to the right and left side ends of the cylinder 6A. On the other hand, a pin electrode 10 as an acting body is of the original plate shape of nearly an equal width as the cylinder 6A and the bottom end edge of the semicirular shape in section is put in opposing contact with the width line of the outside circumferential surface of the cylinder 6A. A pair of arm members 11 are secured to the right and left sides of the bottom end part thereof and balls 9 are held in place in the semi-spherical recesses pierced in the folded part thereof. In addition the pin electrodes 10 are suspended to immobile part 12 by two stretching springs 13 and are being held pulled up and energized. This constitution enables the same to be maintained with high accuracy.
JP16067878A 1978-12-19 1978-12-19 Constant spacing holding method Granted JPS5583067A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16067878A JPS5583067A (en) 1978-12-19 1978-12-19 Constant spacing holding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16067878A JPS5583067A (en) 1978-12-19 1978-12-19 Constant spacing holding method

Publications (2)

Publication Number Publication Date
JPS5583067A true JPS5583067A (en) 1980-06-23
JPS6243179B2 JPS6243179B2 (en) 1987-09-11

Family

ID=15720096

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16067878A Granted JPS5583067A (en) 1978-12-19 1978-12-19 Constant spacing holding method

Country Status (1)

Country Link
JP (1) JPS5583067A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5218405A (en) * 1992-06-29 1993-06-08 Xerox Corporation Photoreceptor drum runout control apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5218405A (en) * 1992-06-29 1993-06-08 Xerox Corporation Photoreceptor drum runout control apparatus

Also Published As

Publication number Publication date
JPS6243179B2 (en) 1987-09-11

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