Patent US4247839A successfully refreshed from Google Patents.
US4247839A
Expired / Lapsed
US
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Electrographic apparatus having an improved exit opening portion
Assignee: Olympus Corp
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Filing: 1979-03-27
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Granted: 1981-01-27
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Expires: 1999-03-27
Abstract
Abstract An electrographic apparatus provided at its exit opening portion through which a record sheet with a copied picture image formed thereon passes with eaves for preventing a photosensitive body from being exposed to an exterior light entering from the exit opening.
Inventors
- 👤 Tatsuo Takizawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:35
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/65; G03G15/6552
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
154 words
An electrographic apparatus comprising: a main body; a cover plate rotatably mounted on a side plate of said main body and provided with an exit opening; a photosensitive body for producing an electrostatic latent image thereon for obtaining a plurality of copies; a rectilinear record sheet feeding path extending from said exit opening to said photosensitive body; a pair of feed rollers partly engaged with each other and feeding a record sheet along said rectilinear record feeding path; a pair of outlet rollers spaced apart from said feed rollers and partly engaged with each other, for delivering said record sheet along said rectilinear record feeding path; a heat fixing device formed of a pair of containers each enclosing therein a heat supply source, being arranged on both sides of said rectilinear record feeding path; and light shielding eaves integral with said cover plate and extending transversely and inclined to said rectilinear record feeding path.
Claim 2
Dependent Claim
154 words
An electrographic apparatus comprising: a main body; a cover plate rotatably mounted on a side plate of said main body and provided with an exit opening; a photosensitive body for producing an electrostatic latent image thereon for obtaining a plurality of copies; a rectilinear record sheet feeding path extending from said exit opening to said photosensitive body; a pair of feed rollers partly engaged with each other and feeding a record sheet along said rectilinear record feeding path; a pair of outlet rollers spaced apart from said feed rollers and partly engaged with each other, for delivering said record sheet along said rectilinear record feeding path; a heat fixing device formed of a pair of containers each enclosing therein a heat supply source, being arranged on both sides of said rectilinear record feeding path; and light shielding eaves integral with said cover plate and extending transversely and inclined to said rectilinear record feeding path.
Claim 3
Dependent Claim
31 words
The electrographic apparatus according to claim 1, wherein said cover plate is downwardly rotatable about a hinge secured to a lower part of a side plate of an apparatus main body.
Claim 4
Dependent Claim
32 words
The electrographic apparatus according to claim 1, wherein said cover plate portion being upwardly rotatably about a hinge secured to an upper part of a side plate of an apparatus main body.
Claim 5
Dependent Claim
37 words
The electrographic apparatus according to claim 1, wherein said eaves are coated on their lower surface which makes contact with the record sheet with an electrically conductive fiber or a cloth formed of the electrically conductive fiber.
References Cited (Backward Citations)
US3810211A
Cited
US3850520A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-01-27 | 1984-07-28 | 1985-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-01-27 | 1988-07-28 | 1989-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-01-27 | 1992-07-28 | 1993-01-27 | $7700.00 | Window Closed / Lapsed |