US3312464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for conveying a stack of flat articles singly
Assignee: Telefunken Patentverwertungs GmbH
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Filing: 1964-12-14
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Granted: 1967-04-04
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Expires: 1984-12-14
Abstract
No abstract record available.
Inventors
- 👤 Rehm Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:55
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/08; G06K13/10; G06K13/107; B; B65; B65H; B65H3/00; B65H3/08; B65H3/12; B65H3/124; B65H2301/00; B65H2301/30; B65H2301/32; B65H2301/321; B65H2406/00; B65H2406/40; B65H2406/41; B65H2406/412
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
IN A DEVICE FOR THE CONTROLLED SEPARATION OF FLAT ARTICLES, AND PARTICULARLY DOCUMENTS, TO BE CONVEYED FROM A STACK BY MEANS OF A CONTINUOUSLY DRIVEN CONVEYING DEVICE PROVIDED WITH SUCTION PORTS AND WHEREIN THE PARTICULAR ARTICLE TO BE SEPARATED FROM THE STACK IS, FOR CONVEYING PURPOSES, BROUGHT INTO ENGAGEMENT WITH THE CONVEYING DEVICE BY MEANS OF SUCTION AIR, WHILE ENGAGEMENT BETWEEN THE ARTICLES AND THE CONVEYING DEVICE IS PREVENTED DURING THE REMAINING TIME WHILE IT IS IN THE POSITION OF REST, THE IMPROVEMENT COMPRISING: A SOURCE OF BLAST-FORMING AIR; SAID CONVEYING DEVICE BEING CONTINOUSLY DISPOSED ADJACENT SAID STACK; AND CONTROL MEANS FOR ALLOWING AN AIR BLAST TO ACT ON THE ARTICLES THROUGH SAID PORTS INSTED OF THE SUCTION AIR, WHICH AIR BLAST PREVENTS THE ARTICLES IN THEIR POSITION OF REST FROM COMING INTO ENGAGEMENT WITH THE CONVEYING DEVICE.
Claim 2
Dependent Claim
138 words
IN A DEVICE FOR THE CONTROLLED SEPARATION OF FLAT ARTICLES, AND PARTICULARLY DOCUMENTS, TO BE CONVEYED FROM A STACK BY MEANS OF A CONTINUOUSLY DRIVEN CONVEYING DEVICE PROVIDED WITH SUCTION PORTS AND WHEREIN THE PARTICULAR ARTICLE TO BE SEPARATED FROM THE STACK IS, FOR CONVEYING PURPOSES, BROUGHT INTO ENGAGEMENT WITH THE CONVEYING DEVICE BY MEANS OF SUCTION AIR, WHILE ENGAGEMENT BETWEEN THE ARTICLES AND THE CONVEYING DEVICE IS PREVENTED DURING THE REMAINING TIME WHILE IT IS IN THE POSITION OF REST, THE IMPROVEMENT COMPRISING: A SOURCE OF BLAST-FORMING AIR; SAID CONVEYING DEVICE BEING CONTINOUSLY DISPOSED ADJACENT SAID STACK; AND CONTROL MEANS FOR ALLOWING AN AIR BLAST TO ACT ON THE ARTICLES THROUGH SAID PORTS INSTED OF THE SUCTION AIR, WHICH AIR BLAST PREVENTS THE ARTICLES IN THEIR POSITION OF REST FROM COMING INTO ENGAGEMENT WITH THE CONVEYING DEVICE.
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) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |