Device for the feeding and cyclic treatment of a body with synchronizing of treatment device and feed device
Abstract
Abstract A DEVICE FOR FEEDING AND CYCLICALLY PROCESSING A LONGITUDINAL BODY, FOR INSTANCE, A WEB OF SHEET MATERIAL WHICH IS WITHDRAWN FROM A SUPPLY ROLL AND IS TO BE CUT INTO INDIVIDUAL PIECES OF THE DESIRED LENGTH. A FEEDING DEVICE PROVIDED WITH ROLLERS ON AT LEAST ONE SHAFT IS ROTATED DURING THE OPERATION OF A PROCESSING DEVICE, SUCH AS A CUTTER WHEN A WEB IS TO BE CUT, ALTERNATELY WITH A HIGH SPEED AND A LOWER SPEED. THE PROCESSING DEVICE ALSO HAS AT LEAST ONE SHAFT WHICH IS ROTATED ALWAYS WITH THE SAME SPEED, FOR SYNCHRONIZING THE FEEDING DEVICE AND THE PROCESSING DEVICE A PHOTOELECTRIC SCANNING HEAD IS PROVIDED WHICH SCANS MARKS ARRANGED IN LENGTHWISE SPACED RELATION ON THE LONGITUDINAL BODY AND OPERATES A RELAY WHICH LATER CONTROLS ELECTRO-MAGNETIC CLUTCHES IN THE FEEDING DEVICE AND A CONTROL CAM FOR EFFECTING A SPEED CONTROL OF SAID FEEDING DEVICE IN SUCH MANNER THAT AFTER A FEW INITIAL UNEVEN FEED OPERATIONS THE LONGITUDINAL BODY IS ADVANCED WITH UNIFORM SPEED IN RELATION TO THE PROCESSING DEVICE.
Inventors
- 👤 Fritz Bosshard
Bibliographic Details
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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) | 1974-11-15 | 1975-05-17 | 1975-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-15 | 1979-05-17 | 1979-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-15 | 1983-05-17 | 1983-11-16 | $7700.00 | Window Closed / Lapsed |