US4674738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stop-mechanism for document copier
Assignee: Individual
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Filing: 1985-11-22
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Granted: 1987-06-23
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Expires: 2005-11-22
Abstract
Abstract A stop-mechanism is disclosed for use with a document feeder which itself supplies documents to-be-copied onto a glass top. The stop-mechanism includes a flag which is disposed in contact with the glass top of the copy machine and which is actuated by the document to-be-copied as it is discharged onto the glass top of the copier by the document feeder.
Inventors
- 👤 R. Clark DuBois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:36
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/62; G03B27/6207; G03B27/625; B; B65; B65H; B65H2404/00; B65H2404/10; B65H2404/13; B65H2404/133; B65H2404/134
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
In a document feeder for a copying device having an image glass, a stop member including: a frame adapted to be supported above the image glass, a stop member supported by said frame and depending therefrom in the path of a document fed onto the said image glass, said stop member including a switch and a flag, said flag disposed to turn on the switch in one position and to turn off the switch in another position, said flag moved from one position to the other by a document fed onto the said image glass, and said flag having one portion in contact with the said image glass, the portion of said flag in contact with the image glass being a sharply beveled end, a switch, including a spring, actuating the switch and urging the portion of the flag into contact with the image glass, said flag including at least one pivotable foot which is in contact with the image glass.
Claim 2
Dependent Claim
161 words
In a document feeder for a copying device having an image glass, a stop member including: a frame adapted to be supported above the image glass, a stop member supported by said frame and depending therefrom in the path of a document fed onto the said image glass, said stop member including a switch and a flag, said flag disposed to turn on the switch in one position and to turn off the switch in another position, said flag moved from one position to the other by a document fed onto the said image glass, and said flag having one portion in contact with the said image glass, the portion of said flag in contact with the image glass being a sharply beveled end, a switch, including a spring, actuating the switch and urging the portion of the flag into contact with the image glass, said flag including at least one pivotable foot which is in contact with the image glass.
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) | 1990-06-22 | 1990-12-22 | 1991-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-06-22 | 1994-12-22 | 1995-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-06-22 | 1998-12-22 | 1999-06-23 | $7700.00 | Window Closed / Lapsed |