US4165168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophotographic document copier machine with modular paper path assembly
Assignee: International Business Machines Corp
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Filing: 1977-12-23
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Granted: 1979-08-21
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Expires: 1997-12-23
Abstract
Abstract An electrophotographic machine of the transfer type wherein a modular construction is provided including a main slide-out drawer upon which the entire paper path is mounted as well as the transfer corona. Included in the main drawer are the paper supply bins, paper feeding mechanisms, transport guides and conveyors, the transfer corona, detach means, and the fuser. The paper supply bins are mounted in individual mini-drawers separate from but located within the main drawer.
Inventors
- 👤 Gerald W. Baumann
- 👤 Robert L. Burdick
- 👤 Willie Goff, Jr.
- 👤 Edwin L. Libby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:30
CPC Classifications
G; G03; G03G; G03G21/00; G03G21/16; G03G21/1604; G03G21/1623; G03G2221/00; G03G2221/16; G03G2221/1651; G03G2221/1657; G03G2221/166; G03G2221/1672; G03G2221/1675; G03G2221/1693; G03G2221/18
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
141 words
In an electrophotographic machine of the transfer type including a photoconductor material upon which images of documents to be copied are reproduced, a modular construction wherein a slide-out main drawer is provided upon which is mounted the copy paper path mechanisms, said main drawer including: at least one copy paper storage bin for holding a supply of copy paper; copy paper feed means for moving said paper out of said bins; transport means for receiving said paper from said feed means and moving said copy paper to a transfer station whereat said paper receives the image on said photoconductor; a transfer corona; fuser means for impressing said image on said copy paper, and wherein said storage bin is mounted in a mini-drawer separate from but within said main drawer whereby said storage bin is made accessible without opening said main drawer.
Claim 2
Dependent Claim
141 words
In an electrophotographic machine of the transfer type including a photoconductor material upon which images of documents to be copied are reproduced, a modular construction wherein a slide-out main drawer is provided upon which is mounted the copy paper path mechanisms, said main drawer including: at least one copy paper storage bin for holding a supply of copy paper; copy paper feed means for moving said paper out of said bins; transport means for receiving said paper from said feed means and moving said copy paper to a transfer station whereat said paper receives the image on said photoconductor; a transfer corona; fuser means for impressing said image on said copy paper, and wherein said storage bin is mounted in a mini-drawer separate from but within said main drawer whereby said storage bin is made accessible without opening said main drawer.
Claim 3
Dependent Claim
19 words
The machine of claim 1 wherein said main drawer includes detach means to remove said paper from said photoconductor.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-08-20 | 1983-02-19 | 1983-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-08-20 | 1987-02-19 | 1987-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-08-20 | 1991-02-19 | 1991-08-21 | $7700.00 | Window Closed / Lapsed |