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Title:
PHOTORECEPTOR UNIT, CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/045373
Kind Code:
A1
Abstract:
[Problem] To develop a photoreceptor unit. [Solution] Provided is a photoreceptor unit that is attachable to and detachable from a device body of an image forming device having a first body-side helical gear part and a second body-side helical gear part that coaxially rotate, the photoreceptor unit comprising a photoreceptor rotatable about a rotation axis, a first unit-side helical gear part for meshing with the first body-side helical gear part, and a second unit-side helical gear part for meshing with the second body-side helical gear part, the direction of helix of teeth of the second unit-side helical gear part being the same as the direction of helix of teeth of the first unit-side helical gear part, the helix angle of the teeth of the second unit-side helical gear part being larger than the helix angle of the teeth of the first unit-side helical gear part, and the first unit-side helical gear part and the second unit-side helical gear part rotating in a state where the first unit-side helical gear part meshes with the first body-side helical gear part and the second unit-side helical gear part meshes with the second body-side helical gear part.

Inventors:
MURAKAMI RYUTA (JP)
HAYASHIDA MAKOTO (JP)
HAMADA TAKATOSHI (JP)
NIIKAWA YUSUKE (JP)
HIRAYAMA AKINOBU (JP)
FUJINO TOSHIKI (JP)
KAWAI TACHIO (JP)
SASAKI TERUHIKO (JP)
Application Number:
PCT/JP2021/032565
Publication Date:
March 03, 2022
Filing Date:
August 31, 2021
Export Citation:
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Assignee:
CANON KK (JP)
International Classes:
G03G21/16; G03G15/00; G03G21/18
Foreign References:
JP2005091609A2005-04-07
JP2004078087A2004-03-11
JP2017223802A2017-12-21
JP2014119102A2014-06-30
JPH0783314A1995-03-28
JP3183618U2013-05-30
JP2011027933A2011-02-10
JP2017211456A2017-11-30
JP2003091184A2003-03-28
JPH09197905A1997-07-31
JP2017096435A2017-06-01
JP2019100460A2019-06-24
US20090203494A12009-08-13
JPS634252A1988-01-09
JPH08328449A1996-12-13
JP2020145892A2020-09-10
Attorney, Agent or Firm:
TAKAO, Masayuki et al. (JP)
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