Title:
回転体、プロセスカートリッジおよび画像形成装置
Document Type and Number:
Japanese Patent JP7277071
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To restrict reduction in hardness of a shaft of rotation in the hollow shaft of rotation having a mating surface.SOLUTION: A body of rotation comprises: an end part on one side and an end part on the other side that are facing each other, constituting a mating surface 66c, and having an irregularity shape. The end part on one side is connected to the end part on the other side by fitting a projection 66t of the end part on one side into a recess 66h of the end part on the other side, and by fitting the projection 66t of the end part on the other side into the recess 66h of the end part on one side. The projection 66t has first corner parts tr1 and hr1 with circular arc-shaped roundness, and the recess 66h has second corner parts tr2 and hr2 into which the first corner parts tr1 and hr1 are fitted and which have the circular arc-shaped roundness. The radius of curvature of the first corner parts tr1 and hr1 is larger than that of the second corner parts tr2 and hr2.SELECTED DRAWING: Figure 13
Inventors:
Yusuke Matsuzaki
Fumito Nonaka
Makoto Hayashida
Koji Yamaguchi
Kazuharu Imamura
Kei Sasaki
Fumito Nonaka
Makoto Hayashida
Koji Yamaguchi
Kazuharu Imamura
Kei Sasaki
Application Number:
JP2017106477A
Publication Date:
May 18, 2023
Filing Date:
May 30, 2017
Export Citation:
Assignee:
Canon Inc
International Classes:
F16C13/00; G03G15/02; G03G21/18
Domestic Patent References:
| JP2011121682A | ||||
| JP2015197507A | ||||
| JP2015197145A |
Attorney, Agent or Firm:
Patent Attorney Corporation Shuwa Patent Office
Kazunobu Sera
Yoshiyuki Kawaguchi
Koichiro Sakai
Takeshi Nakamura
Takeshi Niwa
Ryota Morihiro
Kazunobu Sera
Yoshiyuki Kawaguchi
Koichiro Sakai
Takeshi Nakamura
Takeshi Niwa
Ryota Morihiro
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