EP0485271A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Process cartridge and image forming apparatus usable therewith
Assignee: Canon Inc
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Filing: 1991-11-05
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Granted: —
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Expires: 2011-11-05
Abstract
Abstract A process cartridge (14) detachably mountable to an image forming apparatus includes an image bearing member (10a); process device (11,12) actable on the image bearing member (10); a first frame (14b) containing the image bearing member (10) and the process device (11,12); and a second frame (14a) engageable with and disengageable from the first frame (14b) and containing a developer container (110).
Inventors
- 👤 Yoshiya Nomura
- 👤 Tadayuki Tsuda
- 👤 Shinichi Sasaki
- 👤 Isao Ikemoto
- 👤 Kazushi Watanabe
- 👤 Hiroyuki Shirai
- 👤 Toshiyuki Karakama
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-10 00:46
CPC Classifications
G; G03; G03G; G03G21/00; G03G21/16; G03G21/18; G03G21/1803; G03G21/181; G03G15/00; G03G15/14; G03G15/16; G03G21/1817; G03G2215/00; G03G2215/00987; G03G2221/00; G03G2221/16; G03G2221/163; G03G2221/1633; G03G2221/1648; G03G2221/1651; G03G2221/1654; G03G2221/1669; G03G2221/18; G03G2221/183; G03G2221/1853; G03G2221/1876
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
52 words
A process cartridge detachably mountable to an image forming apparatus, comprising: an image bearing member; process means actable on said image bearing member; a first frame containing said image bearing member and said process means; and a second frame engageable with and disengageable from said first frame and containing a developer container.
Claim 2
Dependent Claim
17 words
A cartridge according to Claim 1, wherein said developer container contains a developer supplied to developing means.
Claim 3
Dependent Claim
21 words
A cartridge according to Claim 1, wherein said developer container is capable of accommodating developer removed from said image bearing member.
Claim 4
Dependent Claim
31 words
A cartridge according to Claim 1, wherein said process cartridge contains said image bearing member in the form of an electrophotographic photosensitive member, charging means and developing means or cleaning means.
Claim 5
Dependent Claim
35 words
A cartridge according to Claim 1, wherein said process cartridge contains said image bearing member in the form of an electrophotographic photosensitive member and at least one of charging means, developing means and cleaning means.
Claim 6
Dependent Claim
51 words
An image forming apparatus, comprising: means for mounting a process cartridge which comprises a first frame having an image bearing member and process means actable thereon and a second frame which is engageable with and disengageable from said first frame and containing a developer container; means for feeding a recording material.
Claim 7
Dependent Claim
60 words
A process cartridge usable with an image forming apparatus, comprising: an image bearing member; process means actable on said image bearing member; a first process cartridge frame for supporting said image bearing member and said process means; second process cartridge frame having a developer container; wherein said process cartridge is constituted by coupling said first and second process cartridge frames.
Claim 8
Dependent Claim
21 words
A cartridge according to Claim 7, wherein said developer container contains developer for developing an image on said image bearing member.
Claim 9
Dependent Claim
13 words
A cartridge according to Claim 7, wherein said developer container contains residual developer.
Claim 10
Dependent Claim
30 words
A cartridge according to Claim 7, wherein said developer container contains a developer for developing an image on said image bearing member and a container for containing a residual developer.
Claim 11
Dependent Claim
36 words
A cartridge according to Claim 7, wherein said first process cartridge frame is capable of being coupled with a selected one of at least two different second process cartridges having different developer containers having different capacities.
Claim 12
Dependent Claim
21 words
A cartridge according to Claim 7, wherein said process cartridge is reusable after being disassembled into said first and second frames.
References Cited (Backward Citations)
No citation records indexed.
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