Patent EP0240168A1 successfully refreshed from Google Patents.
EP0240168A1
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EP
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Electrophotographic copying machine
Assignee: Kyocera Mita Industrial Co Ltd
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Filing: 1987-03-02
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Granted: —
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Expires: 2007-03-02
Abstract
Abstract A copying machine comprising a copying machine body (10) and a processing unit (20) attachable to and detachable from the body of said copying machine, the processing unit comprising a photosensitive drum (21), a charging device (22), a developing apparatus (23), and a cleaning apparatus (25) disposed within the housing (26) of said processing unit, further comprises a route for conveying recording paper that includes a portion (27) which passes through said housing in the region under the photosensitive drum.
Inventors
- 👤 Masahiko Maeda
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-30 18:55
CPC Classifications
G; G03; G03G; G03G15/00; G03G21/00; G03G21/16; G03G21/18; G03G21/1803; G03G21/1814; G03G21/1604; G03G21/1623; G03G21/1628; G03G2221/00; G03G2221/16; G03G2221/1606; G03G2221/1609; G03G2221/1642; G03G2221/1651; G03G2221/1654; G03G2221/1678; G03G2221/1687; G03G2221/1693; G03G2221/18; G03G2221/183
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
82 words
An electrophotographic copying machine comprising a copying machine body (10) and a processing unit (20) attachable to and detachable from the body of said copying machine, said processing unit comprising a photosensitive drum (21), a charging device (22), a developing apparatus (23), and a cleaning apparatus (25) disposed within a housing (26) of said processing unit, and, in addition, providing a route for conveying recording paper comprising a portion (27) that passes through said housing in a region below said photosensitive drum.
Claim 2
Dependent Claim
82 words
An electrophotographic copying machine comprising a copying machine body (10) and a processing unit (20) attachable to and detachable from the body of said copying machine, said processing unit comprising a photosensitive drum (21), a charging device (22), a developing apparatus (23), and a cleaning apparatus (25) disposed within a housing (26) of said processing unit, and, in addition, providing a route for conveying recording paper comprising a portion (27) that passes through said housing in a region below said photosensitive drum.
Claim 3
Dependent Claim
18 words
A copying machine according to claim 1, wherein said copying machine body (10) additionally contains.a transcription device (18).
Claim 4
Dependent Claim
34 words
A copying machine according to claim 2, wherein a transcription chamber (24) in which said transcription device (18) is disposed is formed within said housing (26) in the region under the photosensitive drum (21).
Claim 5
Dependent Claim
27 words
A copying machine according to claim 3, wherein said route (27) for conveying recording paper is provided between said photosensitive drum (21) and said transcription chamber (24).
Claim 6
Dependent Claim
32 words
A copying machine according to claim 3 or 4, wherein an opening (24a) for the introduction of the transcription device (18) into the transcription chamber (24) is provided in the housing (26).
Claim 7
Dependent Claim
39 words
A copying machine according to claim 5, wherein a flexible sealing element (24b) by displacement of which the opening (24a) for the introduction of the transcription device (18) can be opened and closed is provided in the housing (26).
Claim 8
Dependent Claim
58 words
A copying machine according to claim 6, wherein said sealing element (24b) is capable of being pushed away from said opening (24a) by-said transcription device (18) when said processing unit (20) is being installed in the copying machine body (10), thereby opening said opening (24a) for the introduction of the transcription device (18) into the transcription chamber (24).
Claim 9
Dependent Claim
24 words
A copying machine according to claim 6, wherein said sealing element (24b) is operative to prevent ingress of light to the transcription chamber (24).
Claim 10
Dependent Claim
43 words
A copying machine according to claim 2, wherein said transcription device (18) is fixed within the housing (26) of the processing unit (20) and said route (27) for conveying recording paper is disposed between the photosensitive drum (21) and the transcription device (18).
Claim 11
Dependent Claim
57 words
A copying machine according to any one of claims 3 to 9, wherein an intake opening (26a) and/or an ejection opening. (26b) in the housing (26) through which passes the route (27) for conveying recording paper is/are provided with a guide plate (28a,29a) that can open and close said intake opening (26a) and/or said ejection opening (26b).
Claim 12
Dependent Claim
71 words
A copying machine according to claim 10, wherein said guide plate(s) (28a,29a) is/are such as to open the intake opening (26a) and/or the ejection opening (26b) when said processing unit (20) is installed in the copying machine body (10), and said guide plate(s) (28a,29a) is/are such as to close the intake opening (26a) and/or the ejection opening (26b) when said processing unit (20) is detached from the copying machine body (10).
Claim 13
Dependent Claim
67 words
A copying machine according to claim 11, wherein said guide plate(s) (28a,29a) is/are mounted so that when the intake opening (26a) and/or the ejection opening (26b) is opened, it is/they are rotated toward the inside of the housing (26) and stopped in such a manner that the leading edge of the guide plate(s) (28a,29b) is in/are an inclined position in the vicinity of the photosensitive drum (21).
Claim 14
Dependent Claim
86 words
A copying machine according to claim 12, wherein said guide plate(s) (28a,29a) is/are rotatably attached to the housing (26), said guide plate(s) being provided with a spring means (28d) by which said guide plate(s) is/are pushed so as to close the intake opening (26a) and/or the ejection opening (26b), and a rotating means (lOa), by which said guide plate(s) is/are rotated, resisting the spring power of said spring means by a given angle when the processing unit (20) is installed in the copying machine body (10).
Claim 15
Dependent Claim
44 words
A copying machine according to any one of the preceding claims, wherein an intake opening (26a) to said housing (26) of said route (27) for conveying recording paper is at a position higher than that of an ejection opening (26b) therefor from said housing.
Claim 16
Dependent Claim
26 words
A copying machine according to any preceding claim, wherein the shape of the housing (26) of said processing unit (20) is that of a right-angled parallelepiped.
References Cited (Backward Citations)
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