US4422631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper feeding device for recording apparatus
Assignee: Konica Minolta Inc
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Filing: 1981-05-20
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Granted: 1983-12-27
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Expires: 2001-05-20
Abstract
Abstract A copier machine is provided with two or more paper feeder racks loaded with special recording paper cassettes, cooperating with a paper feeding device. The cassettes may contain paper of respectively different sizes. The paper feeding device is provided with a manual lever which not only selects the desired cassette to be fed but permits accurate and quick loading and unloading of one selected cassette while preventing the feeding of the nonselected cassette or cassettes. The manual lever is locked in its selected position but a sensor provides for unlocking the same and return of the manual lever to a neutral position when a paper feeding rack is completely loaded.
Inventors
- 👤 Tsugio Sugizaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:53
CPC Classifications
B; B65; B65H; B65H1/00; B65H1/26; B65H1/266; B65H1/04; B65H3/00; B65H3/44; G; G03; G03G; G03G15/00; G03G15/65; G03G15/6502
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
A paper feeding device for recording apparatus comprising, a plurality of paper feeding racks for loading detachable cassettes loaded with paper, a paper feed roller for each rack a manual lever capable of taking a plurality of positions, each corresponding to one of said paper feeding racks and a neutral position, means urging the return of said lever from each of said plurality of positions back to said neutral position, a stopper for each rack prohibiting the loading of a cassette onto a corresponding paper feeding rack and removal of any already loaded cassette from said paper feeding rack whenever said manual lever is set to a position corresponding to said rack, a locking member for locking said manual lever when said manual lever is moved to one of said positions, a sensor for unlocking said locking member and for permitting return of said manual lever to said neutral position whenever a paper feeding rack is completely loaded with a cassette, and further means for permitting insertion of a cassette when said manual lever is set to one of said positions, and for urging the paper into contact with said paper feeder roller when said manual lever is returned back to its neutral position.
Claim 2
Dependent Claim
204 words
A paper feeding device for recording apparatus comprising, a plurality of paper feeding racks for loading detachable cassettes loaded with paper, a paper feed roller for each rack a manual lever capable of taking a plurality of positions, each corresponding to one of said paper feeding racks and a neutral position, means urging the return of said lever from each of said plurality of positions back to said neutral position, a stopper for each rack prohibiting the loading of a cassette onto a corresponding paper feeding rack and removal of any already loaded cassette from said paper feeding rack whenever said manual lever is set to a position corresponding to said rack, a locking member for locking said manual lever when said manual lever is moved to one of said positions, a sensor for unlocking said locking member and for permitting return of said manual lever to said neutral position whenever a paper feeding rack is completely loaded with a cassette, and further means for permitting insertion of a cassette when said manual lever is set to one of said positions, and for urging the paper into contact with said paper feeder roller when said manual lever is returned back to its neutral position.
References Cited (Backward Citations)
US4009957A
Cited
US4227800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-12-26 | 1987-06-27 | 1987-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-12-26 | 1991-06-27 | 1991-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-12-26 | 1995-06-27 | 1995-12-27 | $7700.00 | Window Closed / Lapsed |