US4213604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic original handling device
Assignee: Canon Inc
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Filing: 1978-07-06
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Granted: 1980-07-22
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Expires: 1998-07-06
Abstract
Abstract This specification discloses an automatic original handling device for use with a copying apparatus and for automatically placing an original to be copied at a predetermined position on the original carriage surface of the copying apparatus. The original conveyor means of the device is provided with registration means for pushing the trailing end of the original to register the trailing end to a predetermined position on the conveyor means or provided with the registration means and restraining means for stopping the original moved by the registration means to register the leading end of the original at a predetermined position, thus registering the trailing end or the leading end of the original at the predetermined position, whereafter the original is conveyed over a predetermined distance and placed at a proper position on the original carriage surface.
Inventors
- 👤 Tadashi Sato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:50
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/60; B; B65; B65H; B65H9/00; B65H9/10; B65H9/103; B65H9/105; G03G2215/00; G03G2215/00172; G03G2215/00177; G03G2215/00181; G03G2215/00185
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
83 words
An automatic original handling device for automatically conveying sheet originals to the original carriage surface of a copying apparatus, comprising: belt conveyor means including intermittently movable belt means trained around at least two rollers; registration means, movable along said belt means when said belt means is not moving, for registering an original on said belt conveyor means so that the original is conveyed accurately to a predetermined position on the original carriage surface; and means for adusting the position of said registration means.
Claim 2
Dependent Claim
83 words
An automatic original handling device for automatically conveying sheet originals to the original carriage surface of a copying apparatus, comprising: belt conveyor means including intermittently movable belt means trained around at least two rollers; registration means, movable along said belt means when said belt means is not moving, for registering an original on said belt conveyor means so that the original is conveyed accurately to a predetermined position on the original carriage surface; and means for adusting the position of said registration means.
Claim 3
Dependent Claim
49 words
An automatic original handling device according to claim 1, wherein the belt conveyor means is provided on the original carriage surface and said registration means is so disposed as to be projected from within said belt conveyor means so that the original is registered on said belt conveyor means.
Claim 4
Dependent Claim
53 words
An automatic original hndling device according to claim 1, wherein said registration means, when registering the original, is projected above the level of said belt conveyor means to push the original and at all other times, said registration means assumes its prone position so as not to interfere with conveyance of the original.
Claim 5
Dependent Claim
49 words
An automatic original handling device according to claim 3, wherein the trailing end of the original is registered to a predetermined position by said registration means, whereafter the original is conveyed over a predetermined distance and placed accurately at the trailing end reference position on the original carriage portion.
Claim 6
Dependent Claim
56 words
An automatic original handling device according to claim 1, wherein said rollers are lowered to bring the original into intimate contact with the original carriage portion when said belt conveyor means is stopped, and said rollers are moved upwardly to ensure conveyance of the original by said belts when said belt conveyor means is being operated.
Claim 7
Dependent Claim
35 words
An automatic original handling device according to claim 1, wherein said belt conveyor means has a suction fan for preventing the drop of the original and a number of suction apertures formed in said belts.
Claim 8
Dependent Claim
127 words
An automatic original handling device for automatically conveying sheet originals to the original carriage surface of a copying apparatus, comprising: belt conveyor means comprising a plurality of belts passed over at least two rollers; restraining means for restraining the original on said belt conveyor means so as to set the leading end position of the original; and registration means for pushing the trailing end of the original on said belt conveyor means to cause the original to be restrained by said restraining means and register the leading end of the original in order that the original is accurately conveyed to a predetermined position on the original carriage surface, wherein the original is registered before it is conveyed to the original carriage surface by said belt conveyor means.
Claim 9
Dependent Claim
127 words
An automatic original handling device for automatically conveying sheet originals to the original carriage surface of a copying apparatus, comprising: belt conveyor means comprising a plurality of belts passed over at least two rollers; restraining means for restraining the original on said belt conveyor means so as to set the leading end position of the original; and registration means for pushing the trailing end of the original on said belt conveyor means to cause the original to be restrained by said restraining means and register the leading end of the original in order that the original is accurately conveyed to a predetermined position on the original carriage surface, wherein the original is registered before it is conveyed to the original carriage surface by said belt conveyor means.
Claim 10
Dependent Claim
53 words
An automatic original handling device according to claim 7, wherein said registration means, when registering the original, is projected above the level of said belt conveyor means to push the original and during the other time, said registration means assumes its prone position so as not to interfere with conveyance of the original.
Claim 11
Dependent Claim
49 words
An automatic original handling device according to claim 7, wherein the leading end of the original is registered to a predetermined position by said restraining member, whereafter the original is conveyed over a predetermined distance and placed accurately at the leading end reference position on the original carriage portion.
Claim 12
Dependent Claim
56 words
An automatic original handling device according to claim 7, wherein said rollers are lowered to bring the original into intimate contact with the original carriage portion when said belt conveyor means is stopped, and said rollers are moved upwardly to ensure conveyance of the original by said belts when said belt conveyor means is being operated.
Claim 13
Dependent Claim
35 words
An automatic original handling device according to claim 7, wherein said belt conveyor means has a suction fan for preventing the drop of the original and a number of suction apertures formed in said belts.
Claim 14
Dependent Claim
24 words
An automatic original handling device according to claim 1 or 7, wherein said registration means is operative when said belt conveyor means is stopped.
Claim 15
Dependent Claim
32 words
An automatic original handling device according to claim 1 or 7, wherein the next original is registered by said registration means while the first original is resting on the original carriage surface.
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) | 1983-07-22 | 1984-01-21 | 1984-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-07-22 | 1988-01-21 | 1988-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-07-22 | 1992-01-21 | 1992-07-22 | $7700.00 | Window Closed / Lapsed |