US3257083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction device for withdrawing a starting length of yarn from a textile coil
Assignee: Individual
•
Filing: 1964-03-23
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Granted: 1966-06-21
•
Expires: 1984-03-23
Abstract
No abstract record available.
Inventors
- 👤 Furst Stefan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:56
CPC Classifications
B; B65; B65H; B65H67/00; B65H67/08; B65H67/086; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
A SUCTION DEVICE FOR WITHDRAWING A STARTING LENGTH OF YARN FROM A YARN COIL, COMPRISING A SUCTION TUBE HAVING A CURVED END PORTION DEFINING AN INNER BIGHT, THE END PORTION OF SAID TUBE HAVING AN END OPENING WHICH, DURING OPERATION, IS IN REGISTRY WITH THE YARN COIL, AT LEAST THE TIP OF THE YARN COIL CORE BENG SURROUNDED BY SAID END PORTION AT SAID END OPENING WITH CLEARANCE FOR SUCKING THE STARTING LENGTH OF YARN INTO SAID TUBE, THE INNER BIGHT OF SAID CURVED END PORTION BEING FORMED WITH AN ELONGATED SLOT TO BE TRANSVERSE BY THE STARTING LENGTH OF YARN, SAID SLOT BEING LOCATED SO AS TO DEFINE FOR THE LENGTH OF YARN A PATH ALONG A GOEMETRICAL CHORD OF SAID INNER BIGHT, THE END OF SAID ELONGATED SLOT CLOSER TO SAID END OPENING BEING SUBSTANTIALLY IN RADIAL ALIGNMENT WITH THE TIP OF THE CORE, WHEREBY THE STARTING LENGTH OF YARN IS WITHDRAWN SO FAR INTO SAID SLOT AS TO FORM AN ANGLE WITH RESPECT TO THE COIL CORE TIP PREVENTING FURTHER WITHDRAWAL OF THE LENGTH OF YARN FROM THE YARN COIL.
Claim 2
Dependent Claim
183 words
A SUCTION DEVICE FOR WITHDRAWING A STARTING LENGTH OF YARN FROM A YARN COIL, COMPRISING A SUCTION TUBE HAVING A CURVED END PORTION DEFINING AN INNER BIGHT, THE END PORTION OF SAID TUBE HAVING AN END OPENING WHICH, DURING OPERATION, IS IN REGISTRY WITH THE YARN COIL, AT LEAST THE TIP OF THE YARN COIL CORE BENG SURROUNDED BY SAID END PORTION AT SAID END OPENING WITH CLEARANCE FOR SUCKING THE STARTING LENGTH OF YARN INTO SAID TUBE, THE INNER BIGHT OF SAID CURVED END PORTION BEING FORMED WITH AN ELONGATED SLOT TO BE TRANSVERSE BY THE STARTING LENGTH OF YARN, SAID SLOT BEING LOCATED SO AS TO DEFINE FOR THE LENGTH OF YARN A PATH ALONG A GOEMETRICAL CHORD OF SAID INNER BIGHT, THE END OF SAID ELONGATED SLOT CLOSER TO SAID END OPENING BEING SUBSTANTIALLY IN RADIAL ALIGNMENT WITH THE TIP OF THE CORE, WHEREBY THE STARTING LENGTH OF YARN IS WITHDRAWN SO FAR INTO SAID SLOT AS TO FORM AN ANGLE WITH RESPECT TO THE COIL CORE TIP PREVENTING FURTHER WITHDRAWAL OF THE LENGTH OF YARN FROM THE YARN COIL.
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) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |