US4298279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copying apparatus having an original feeding mechanism
Assignee: Canon Inc
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Filing: 1980-05-20
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Granted: 1981-11-03
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Expires: 2000-05-20
Abstract
Abstract This specification discloses a copying apparatus having an original feeding mechanism for feeding originals by moving the originals on the surface of an original supporting member, characterized in that discharging means acts on the original supporting member from that side thereof opposite to the original supporting side of the original supporting member to discharge the original supporting surface.
Inventors
- 👤 Shigeru Yoshimura
- 👤 Akihiro Nomura
- 👤 Kimiaki Hayakawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:24
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/60; G03G15/605; G03G15/04; G03G2215/00; G03G2215/00172; G03G2215/00177; G03G2215/00181; G03G2215/00185
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
82 words
A copying apparatus having an original feeding mechanism having: an original supporting member for supporting originals thereon; original feeding means for conveying the originals onto the surface of said original supporting member; discharging means for imparting a discharging action to said original supporting member from that side thereof opposite to the original supporting side of said original supporting member to discharge the surface of said original supporting member; and optical scanning means for optically scanning the original on said original supporting member.
Claim 2
Dependent Claim
82 words
A copying apparatus having an original feeding mechanism having: an original supporting member for supporting originals thereon; original feeding means for conveying the originals onto the surface of said original supporting member; discharging means for imparting a discharging action to said original supporting member from that side thereof opposite to the original supporting side of said original supporting member to discharge the surface of said original supporting member; and optical scanning means for optically scanning the original on said original supporting member.
Claim 3
Dependent Claim
40 words
A copying apparatus according to claim 1, wherein said discharging means is moved in synchronism with the movement of the original conveyed on said original supporting member, while being held at a position between said original and the next original.
Claim 4
Dependent Claim
57 words
A copying apparatus according to claim 1, wherein said discharging means is moved along said original supporting member while acting on the original supporting member from that side thereof opposite to the original supporting side of said original supporting member in the portion thereof on which the original is not resting, thereby discharging the original supporting surface.
Claim 5
Dependent Claim
18 words
A copying apparatus according to claim 1, wherein said discharging means is moved with said optical scanning means.
Claim 6
Dependent Claim
85 words
A copying apparatus according to claim 1, wherein said discharging means comprises main discharging means provided integrally with said optical scanning means, and auxiliary discharging means having one end supported on the body of said apparatus and the other end movable with the movement of said optical scanning means while imparting a discharging action to said original supporting member from that side thereof opposite to the original supporting side of said original supporting member at a forward position of movement of said optical scanning means.
References Cited (Backward Citations)
US3757164A
Cited
US3867027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-11-02 | 1985-05-04 | 1985-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-11-02 | 1989-05-04 | 1989-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-11-02 | 1993-05-04 | 1993-11-03 | $7700.00 | Window Closed / Lapsed |