US4412734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophotographic copier with copy paper supply device
Assignee: Toshiba Corp
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Filing: 1981-10-01
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Granted: 1983-11-01
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Expires: 2001-10-01
Abstract
Abstract An electrophotographic copier includes a housing having a lower frame and an upper frame pivotally connected to the lower frame. A lower paper supplying device and an upper paper supplying device are provided on the housing. The lower and upper paper supplying devices include first and second paper guide plates, respectively. A third paper guide plate is pivotally mounted on the first side of the lower frame and it defines a first paper feed guide path of the lower paper supplying device with the first paper guide plate and a second paper feed guide path of the upper paper supplying device with the second paper guide plate.
Inventors
- 👤 Kunihiro Shibuya
- 👤 Yasuhiro Iwata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:31
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/65; G03G15/6502; B; B65; B65H; B65H5/00; B65H5/26
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
156 words
An electrophotographic copier comprising: a housing including a first frame and a second frame pivotally connected on the housing; a first paper supplying means for supplying copy paper within said housing and having a first paper guide plate mounted on said first frame; a second paper supplying means for supplying copy paper within said housing and having a second paper guide plate mounted on said second frame; a third paper guide plate pivotally mounted on the housing, said third paper guide plate defining a first paper feed guide path with said first paper guide plate and a second paper feed guide path with said second paper guide plate; said first paper supplying means including said first paper feed guide path and said second paper supplying means including said second paper feed guide path; and means for receiving paper from either of said first and second paper supplying means and producing an image of an original thereon.
Claim 2
Dependent Claim
156 words
An electrophotographic copier comprising: a housing including a first frame and a second frame pivotally connected on the housing; a first paper supplying means for supplying copy paper within said housing and having a first paper guide plate mounted on said first frame; a second paper supplying means for supplying copy paper within said housing and having a second paper guide plate mounted on said second frame; a third paper guide plate pivotally mounted on the housing, said third paper guide plate defining a first paper feed guide path with said first paper guide plate and a second paper feed guide path with said second paper guide plate; said first paper supplying means including said first paper feed guide path and said second paper supplying means including said second paper feed guide path; and means for receiving paper from either of said first and second paper supplying means and producing an image of an original thereon.
Claim 3
Dependent Claim
18 words
The electrophotographic copier of claim 1 wherein said first paper supplying means includes a cassette containing copy paper.
Claim 4
Dependent Claim
27 words
The electrophotographic copier of claim 1 wherein said second paper supplying means includes a manual feed guide for accepting a copy paper manually inserted into the housing.
Claim 5
Dependent Claim
62 words
The electrophotographic copier of claim 1 wherein said receiving and producing means comprises a photoconductive drum, an exposure means for transmitting an optical image of an original to said photoconductive drum and a developing means for converting the optical image to a visible image on said photoconductive drum, said drum, exposure means and developing means all being disposed on said second frame.
Claim 6
Dependent Claim
87 words
The electrophotographic copier of claim 4 wherein said receiving and producing means further comprises a corona charging means for transferring the visible image formed on the photoconductive drum to a copy paper selectively supplied from one of said first and second paper supplying means, conveying means for conveying the copy paper with the transferred image and a fixing means for fixing the transferred image on the copy paper conveyed by the conveyor, said charging means, conveying means and fixing means all being disposed on said first frame.
Claim 7
Dependent Claim
70 words
The electrophotographic copier of claim 5 wherein said receiving and producing means further comprises a pair of exit rollers for discharging the copy paper with the transferred, fixed image thereon, said exit rollers being disposed on said first frame and one of said exit rollers being movable between a contact position with the other of said exit rollers and a separated position, out of contact with said other exit roller.
Claim 8
Dependent Claim
32 words
The electrophotographic copier of claim 5 wherein said receiving and producing means further comprises receptacle means disposed on the second side of the first frame for receiving the image fixed copy paper.
Claim 9
Dependent Claim
22 words
The electrophotographic copier of claim 1 wherein said third paper guide is mounted adjacent the opening between said first and second frames.
Claim 10
Dependent Claim
27 words
The electrophotographic copier of claim 8 wherein said third paper guide plate is mounted on an upper portion of the lower of said first and second frames.
Claim 11
Dependent Claim
32 words
The electrophotographic copier of claim 1 wherein said third paper guide plate is mounted for pivoting to enable clearing of paper jams only when said first and second frames are pivotably separated.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-10-31 | 1987-05-02 | 1987-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-10-31 | 1991-05-02 | 1991-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-10-31 | 1995-05-02 | 1995-11-01 | $7700.00 | Window Closed / Lapsed |