US3224758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for separating conveyed sheets
Assignee: Individual
•
Filing: 1961-12-29
•
Granted: 1965-12-21
•
Expires: 1981-12-29
Abstract
No abstract record available.
Inventors
- 👤 Siempelkamp Eugen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:22
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/52; B65G47/64; B65G47/644; B65G47/645; B65G47/647; B27; B27N; B27N3/00; B27N3/08; B27N3/16; B27N3/18; F; F27; F27D; F27D3/00; F27D3/0021; F27D2003/0001; F27D2003/0002; F27D2003/0018; F27D2003/0034; F27D2003/0063; F27D2003/0085; F27D2003/0093
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
AN APPARATUS FOR THE MULTIPLE DISCHARGE OF SHEET MATERIAL, COMPRISING FEED-CONVEYOR MEANS FOR DISPLACING A SUCCESSION OF SPACED-APART SHEETS, RECEIVING MEANS FOR SAID SHEETS POSITIONED BEYOND SAID FEED-CONVEYOR MEANS, SAID RECEIVING MEANS INCLUDING A PLURALITY OF SUPERIMPOSED FURTHER CONVEYORS AND MEANS FOR DRIVING SAME SUBSTANTIALLY AT THE SPEED OF SAID CONVEYOR MEANS, SAID CONVEYOR MEANS INCLUDING AN ENDLESS BAND HAVING A ROLLER AT AN INPUT SIDE OF SAID BAND OF A FIXED HEIGHT FOR RECEIVING SAID SHEETS AT A FIXED HEIGHT AND VERTICALLY ADJUSTABLE GUIDE MEANS FOR SAID BAND FORMING AN OUTPUT EDGE SELECTIVELY ALIGNABLE WITH ANY OF SAID FURTHER CONVEYORS, SAID GUIDE MEANS COMPRISES A SWINGABLE LEVER WITH A FIXED FULCRUM AND TWO EXTREMITIES ON OPPOSITE SIDES OF SAID FULCRUM, A FIRST ROLLER ON ONE OF SAID EXTREMITIES IN CONTINUOUS ENGAGEMENT WITH SAID BAND, AND A SECOND ROLLER ON THE OTHER OF SAID EXTERMITIES ENGAGING SAID BAND IN A FIRST LEVER POSITION ONLY WHILE BEING DISENGAGED THEREFROM IN ANOTHER LEVER POSITION, SAID FIRST ROLLER BEING SUBSTANTIALLY ALIGNED WITH RESPECTIVE ONES OF SAID FURTHER CONVEYORS IN SAID LEVER POSITIONS.
Claim 2
Independent Claim
179 words
AN APPARATUS FOR THE MULTIPLE DISCHARGE OF SHEET MATERIAL, COMPRISING FEED-CONVEYOR MEANS FOR DISPLACING A SUCCESSION OF SPACED-APART SHEETS, RECEIVING MEANS FOR SAID SHEETS POSITIONED BEYOND SAID FEED-CONVEYOR MEANS, SAID RECEIVING MEANS INCLUDING A PLURALITY OF SUPERIMPOSED FURTHER CONVEYORS AND MEANS FOR DRIVING SAME SUBSTANTIALLY AT THE SPEED OF SAID CONVEYOR MEANS, SAID CONVEYOR MEANS INCLUDING AN ENDLESS BAND HAVING A ROLLER AT AN INPUT SIDE OF SAID BAND OF A FIXED HEIGHT FOR RECEIVING SAID SHEETS AT A FIXED HEIGHT AND VERTICALLY ADJUSTABLE GUIDE MEANS FOR SAID BAND FORMING AN OUTPUT EDGE SELECTIVELY ALIGNABLE WITH ANY OF SAID FURTHER CONVEYORS, SAID GUIDE MEANS COMPRISES A SWINGABLE LEVER WITH A FIXED FULCRUM AND TWO EXTREMITIES ON OPPOSITE SIDES OF SAID FULCRUM, A FIRST ROLLER ON ONE OF SAID EXTREMITIES IN CONTINUOUS ENGAGEMENT WITH SAID BAND, AND A SECOND ROLLER ON THE OTHER OF SAID EXTERMITIES ENGAGING SAID BAND IN A FIRST LEVER POSITION ONLY WHILE BEING DISENGAGED THEREFROM IN ANOTHER LEVER POSITION, SAID FIRST ROLLER BEING SUBSTANTIALLY ALIGNED WITH RESPECTIVE ONES OF SAID FURTHER CONVEYORS IN SAID LEVER POSITIONS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |