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Title:
DRUM UNIT, DRIVE TRANSMISSION UNIT, CARTRIDGE, AND ELECTRONIC PHOTO IMAGE FORMING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/251052
Kind Code:
A1
Abstract:
The present invention achieves the arrangement of a coupling member and a drive transmission member. This drum unit has a photoreceptor drum, and a coupling member that is disposed in the vicinity of an end section of the photoreceptor drum and connected to the photoreceptor drum so as to transmit driving power thereto. The coupling member is configured so as to be tiltable with respect to the rotation axis line of the photoreceptor drum and to decrease the tilt angle with respect to the photoreceptor drum accompanying the rotational drive.

Inventors:
FUJIWARA AKIHIRO (JP)
MURAKAMI RYUTA (JP)
Application Number:
PCT/JP2020/023319
Publication Date:
December 17, 2020
Filing Date:
June 09, 2020
Export Citation:
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Assignee:
CANON KK (JP)
International Classes:
G03G21/18; G03G21/16
Foreign References:
JP2017107066A2017-06-15
JP2009300516A2009-12-24
JP2013195961A2013-09-30
JP2016102986A2016-06-02
JP2014191025A2014-10-06
JP2013122616A2013-06-20
JP2006163232A2006-06-22
US20170075300A12017-03-16
JP2017223802A2017-12-21
JP2019109671A2019-07-04
Other References:
See also references of EP 3985443A4
Attorney, Agent or Firm:
TAKAO Masayuki (JP)
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