Bobbin pickup
Abstract
Abstract A BOBBIN HANDLING APPARATUS FOR A SELF-TENDING SPINNING FRAME INCLUDES TENDERS WHICH MOVE BACK AND FORTH ALONG SPINNING STATIONS AND STOP, AS REQUIRED, TO SERVICE THE STATIONS. FOR EXAMPLE, THE TENDERS DOFF FILLED BOBBINS, AND THEN DONN AND THREAD-UP EMPTY BOBBINS. A BELT CONVEYOR ENCIRCLES THE SPINNING FRAME AND HAS UPPER RUNS FOR CARRYING EMPTY BOBBINS TO THE TENDERS AND LOWER RUNS FOR RECEIVING FILLED BOBBINS FROM THE TENDERS. THE EMPTY BOBBINS ARE NORMALLY SPACED FROM EACH ON THE CONVEYOR. EACH TENDER IS PROVIDED WITH A BOBBIN RECEIVER ALONGSIDE THE CONVEYOR. WHEN THE RECEIVER IS OPERATED TO AN ACTIVE POSITION FOR RECEIVING AN EMPTY BOBBIN, IT BY-PASSES ANY BOBBIN (OR A STRING OF BUNCHED BOBBINS) ALONGSIDE, AND WHEN A BOBBIN IS NOT ALONGSIDE IT MOVES TO A POSITION FOR RECEIVING A BOBBIN FROM THE CONVEYOR, THE BOBBIN CAUSING THE RECEIVER TO CLOSE AND THE BOBBIN IS MOVED INTO THE TENDER.
Inventors
- 👤 Earl R Fenstermacher
Bibliographic Details
Claims Analysis
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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) | 1974-11-08 | 1975-05-10 | 1975-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-08 | 1979-05-10 | 1979-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-08 | 1983-05-10 | 1983-11-09 | $7700.00 | Window Closed / Lapsed |