Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jan 23, 2018
Issued Date -
N/A
app pub date -
Mar 10, 2017
filing date -
Dec 22, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A drum unit includes a photosensitive drum having an axis L1, a drum flange provided at an end of the photosensitive drum, and a coupling member having an axis L2. The coupling member includes (i) a first end portion connected to the drum flange, (ii) a second end portion including at least one projection, and (iii) a connecting portion connecting the first end portion and the second end portion. The coupling member is movable between (i) a first position in which a tip of the at least one projection is a first distance away from the photosensitive drum as measured in the direction of the axis L1 and (ii) a second position in which the tip of the at least one projection is a second distance away from the photosensitive drum as measured in the direction of the axis L1.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
CANON KABUSHIKI KAISHA | JAPAN |
International Classification(s)

- 2017 Application Filing Year
- G03G Class
- 2629 Applications Filed
- 2246 Patents Issued To-Date
- 85.44 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Miyabe, Shigeo | Numazu, JP | 154 | 12496 |
# of filed Patents : 154 Total Citations : 12496 | |||
Morioka, Masanari | Numazu, JP | 130 | 5116 |
# of filed Patents : 130 Total Citations : 5116 | |||
Ueno, Takahito | Mishima, JP | 163 | 8972 |
# of filed Patents : 163 Total Citations : 8972 |
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Patent Citation Ranking
- 21 Citation Count
- G03G Class
- 97.37 % this patent is cited more than
- 7 Age
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