US4609277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro photographic copier with photoconductive belt
Assignee: Panasonic Holdings Corp
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Filing: 1984-12-18
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Granted: 1986-09-02
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Expires: 2004-12-18
Abstract
Abstract An electrophotographic copier has a photoconductive apparatus including a photoconductive belt and at least first and second rollers around which the photoconductive belt runs, a first body, a development apparatus mounted on the first body and having a support for positioning and supporting the first roller at both ends thereof, and the first body having a single fixing device thereon at a point spaced from the first roller, a second body, and an optical apparatus mounted on the second body, the second body supporting the photoconductive apparatus and having a guide for determining the positions of the first and second rollers, the second body being supported by the single fixing device, whereby the second body is supported substantially at three points on the first body.
Inventors
- 👤 Yoshihiro Yokoyama
- 👤 Yoshito Urata
- 👤 Kazuo Watanabe
- 👤 Kiyoteru Ito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:15
CPC Classifications
G; G03; G03G; G03G15/00; G03G21/00; G03G21/16; G03G21/1604; G03G21/1623; G03G21/1628; G03G2221/00; G03G2221/16; G03G2221/1606; G03G2221/1615; G03G2221/1651; G03G2221/1654; G03G2221/1678; G03G2221/1684
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
130 words
An electrophotographic copier comprising: a photoconductive apparatus including a photoconductive belt and at least first and second roller means around which said photoconductive belt runs; a first body; a development apparatus mounted on said first body and having a supporting means for positioning and supporting said first roller means at both ends thereof, and said first body having a single fixing means thereon at a point spaced from said first roller means; a second body; and an optical apparatus mounted on said second body, said second body supporting said photoconductive apparatus and having guide means for determining the positions of said first and second roller means, said second body being supported by said single fixing means, whereby said second body is supported substantially at three points on said first body.
Claim 2
Dependent Claim
130 words
An electrophotographic copier comprising: a photoconductive apparatus including a photoconductive belt and at least first and second roller means around which said photoconductive belt runs; a first body; a development apparatus mounted on said first body and having a supporting means for positioning and supporting said first roller means at both ends thereof, and said first body having a single fixing means thereon at a point spaced from said first roller means; a second body; and an optical apparatus mounted on said second body, said second body supporting said photoconductive apparatus and having guide means for determining the positions of said first and second roller means, said second body being supported by said single fixing means, whereby said second body is supported substantially at three points on said first body.
Claim 3
Dependent Claim
44 words
The electrophotographic copier according to claim 1, wherein said first and second roller means have a first and a second shaft respectively which are substantially not rotatable, said guide means positioning said first and second shafts, and said supporting means supporting said first shaft.
Claim 4
Dependent Claim
54 words
The electrophotographic copier according to claim 1, wherein said second body is movable with respect to said development apparatus and has urging means for pressing said first roller means against said supporting means, whereby said second body, said photoconductor apparatus, and said development apparatus are positioned in desired positions with respect to each other.
Claim 5
Dependent Claim
44 words
The electrophotographic copier according to claim 3, wherein said first and second roller means have a first and a second shaft respectively which are substantially not rotatable, said guide means positioning said first and second shafts, and said supporting means supporting said first shaft.
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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) | 1989-09-01 | 1990-03-03 | 1990-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-09-01 | 1994-03-03 | 1994-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-09-01 | 1998-03-03 | 1998-09-02 | $7700.00 | Window Closed / Lapsed |