US3081082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet control for printing machines
Assignee: Linotype and Machinery Ltd
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Filing: 1959-12-14
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Granted: 1963-03-12
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Expires: 1979-12-14
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Spooner
- 👤 Hadley William Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:58
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/68; B65H29/686; B65H29/24; B65H29/245; B65H29/246; B65H2406/00; B65H2406/10; B65H2406/12; B65H2406/122; B65H2406/1222; B65H2801/00; B65H2801/03; B65H2801/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A SHEET DELIVERY APPARATUS FOR A PRINTING PRESS COMPRISING, IN COMBINATION, A SHEET DELIVERY PILE, A CHAIN DELIVERY EQUIPPED WITH GRIPPERS FOR DRAWING THE PRINTED SHEETS BY THEIR LEADING EDGES IN NON-OVERLAPPING RELATION FROM PRINTING POSITION TO SAID DELIVERY PILE, AND AIR BLOWING MEANS ARRANGED IN ADVANCE OF AND ADJACENT THE SHEET DELIVERY PILE FOR DIRECTING AIR UNDER PRESSURE IN A THIN STREAM AGAINST THE UNDER SURFACES OF THE SUCCESSIVE SHEETS IN THE VICINITY OF THE DELIVERY PILE DURING THEIR ADVANCE BY THE CHAIN DELIVERY AND IN A DIRECTION OPPOSITE TO THE DIRECTION OF ADVANCE, SAID AIR STREAM BEING DIRECTED UPWARDLY AGAINST THE ADVANCING SHEETS AT SUCH AN ANGLE AS TO REDUCE THE STATIC PRESSURE AT THE UNDER SURFACES OF THE SHEETS AND THEREBY CAUSE THE SHEETS TO BE PULLED DOWNWARDLY FROM THEIR PATH OF TRAVEL.
Claim 2
Dependent Claim
136 words
A SHEET DELIVERY APPARATUS FOR A PRINTING PRESS COMPRISING, IN COMBINATION, A SHEET DELIVERY PILE, A CHAIN DELIVERY EQUIPPED WITH GRIPPERS FOR DRAWING THE PRINTED SHEETS BY THEIR LEADING EDGES IN NON-OVERLAPPING RELATION FROM PRINTING POSITION TO SAID DELIVERY PILE, AND AIR BLOWING MEANS ARRANGED IN ADVANCE OF AND ADJACENT THE SHEET DELIVERY PILE FOR DIRECTING AIR UNDER PRESSURE IN A THIN STREAM AGAINST THE UNDER SURFACES OF THE SUCCESSIVE SHEETS IN THE VICINITY OF THE DELIVERY PILE DURING THEIR ADVANCE BY THE CHAIN DELIVERY AND IN A DIRECTION OPPOSITE TO THE DIRECTION OF ADVANCE, SAID AIR STREAM BEING DIRECTED UPWARDLY AGAINST THE ADVANCING SHEETS AT SUCH AN ANGLE AS TO REDUCE THE STATIC PRESSURE AT THE UNDER SURFACES OF THE SHEETS AND THEREBY CAUSE THE SHEETS TO BE PULLED DOWNWARDLY FROM THEIR PATH OF TRAVEL.
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) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |