Patent US4664503A successfully refreshed from Google Patents.
US4664503A
Expired / Lapsed
US
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Copying machine
Assignee: Sharp Corp
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Filing: 1986-02-24
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Granted: 1987-05-12
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Expires: 2006-02-24
Abstract
Abstract Disclosed is a copying machine which is provided with a cassette-loading area for allowing the loading of copy paper cassettes into a plurality of loading positions, a device for selecting any of these cassette-loading positions, and a timing roller that controls the timing of the transfer of copy paper fed from a selected cassette. The copying machine embodied by the present invention features a circuit for storing the timing data corresponding to the respective copy paper cassette loading positions and a device for driving the timing roller.
Inventors
- 👤 Yoshiaki Ibuchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:28
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/65; G03G15/6502
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
77 words
A copying machine having a cassette-loading area for loading a plurality of copy paper cassettes, means for selecting any of these cassette-loading positions, and a timing roller that controls the timing of transfer of the copy paper fed from a selected cassette in the loaded position, said copying machine comprising: means for storing the timing data corresponding to said respective copy paper cassette loading position; and means for driving said timing roller according to said timing data.
Claim 2
Dependent Claim
77 words
A copying machine having a cassette-loading area for loading a plurality of copy paper cassettes, means for selecting any of these cassette-loading positions, and a timing roller that controls the timing of transfer of the copy paper fed from a selected cassette in the loaded position, said copying machine comprising: means for storing the timing data corresponding to said respective copy paper cassette loading position; and means for driving said timing roller according to said timing data.
Claim 3
Dependent Claim
23 words
The copying machine defined in claim 1, wherein said means for storing timing data is counted within a predetermined period before it overflows.
Claim 4
Dependent Claim
26 words
The copying machine defined in claim 2, wherein said timing roller is set to rotate simultaneously with the overflow of said means for storing timing data.
References Cited (Backward Citations)
US4417806A
Cited
US4472049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-05-11 | 1990-11-10 | 1991-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-05-11 | 1994-11-10 | 1995-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-05-11 | 1998-11-10 | 1999-05-12 | $7700.00 | Window Closed / Lapsed |