Patent US4758422A successfully refreshed from Google Patents.
Patent US3070949A successfully refreshed from Google Patents.
US3070949A
Expired / Lapsed
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Doffing device
Assignee: Willcox and Gibbs Sewing Machine Co
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Filing: 1962-02-23
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Granted: 1963-01-01
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Expires: 1982-02-23
Abstract
No abstract record available.
Inventors
- 👤 Buis Edwin O Du
- 👤 Edward L Cucksey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:21
CPC Classifications
D; D01; D01H; D01H9/00; D01H9/02; D01H9/08; D01H9/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN A DOFFING DEVICE FOR DOFFING WOUND BOBBINS FROM A ROW OF PARALLEL SPINDLES ON A TEXTILE MACHINE COMPRISING A CARRIAGE, MEANS MOUNTING THE CARRIAGE ON THE SIDE OF THE MACHINE TO MOVE ALONG SAID ROW OF PARALLEL SPINDLES, AND DOFFING MEANS MOUNTED ON THE CARRIAGE TO REMOVE WOUND BOBBINS FROM SAID SPINDLES IN RESPONSE TO MOVEMENT OF SAID CARRIAGE ALONG THE MACHINE, THE IMPROVEMENT WHEREIN THE DOFFING MEANS COMPRISES A ROTATABLE SLEEVE HAVING A PLURALITY OF DOFFING UNITS SLIDABLY MOUNTED THEREON AND MEANS OPERATED AS AN INCIDENT TO THE MOVEMENT OF THE CARRIAGE FOR ROTATING THE SLEEVE ON AN AXIS PARALLEL TO THE SPINDLES TO MOVE THE UNITS INTO OPERATIVE RELATION WITH THE WOUND PACKAGES, EACH UNIT
Claim 2
Dependent Claim
118 words
IN A DOFFING DEVICE FOR DOFFING WOUND BOBBINS FROM A ROW OF PARALLEL SPINDLES ON A TEXTILE MACHINE COMPRISING A CARRIAGE, MEANS MOUNTING THE CARRIAGE ON THE SIDE OF THE MACHINE TO MOVE ALONG SAID ROW OF PARALLEL SPINDLES, AND DOFFING MEANS MOUNTED ON THE CARRIAGE TO REMOVE WOUND BOBBINS FROM SAID SPINDLES IN RESPONSE TO MOVEMENT OF SAID CARRIAGE ALONG THE MACHINE, THE IMPROVEMENT WHEREIN THE DOFFING MEANS COMPRISES A ROTATABLE SLEEVE HAVING A PLURALITY OF DOFFING UNITS SLIDABLY MOUNTED THEREON AND MEANS OPERATED AS AN INCIDENT TO THE MOVEMENT OF THE CARRIAGE FOR ROTATING THE SLEEVE ON AN AXIS PARALLEL TO THE SPINDLES TO MOVE THE UNITS INTO OPERATIVE RELATION WITH THE WOUND PACKAGES, EACH UNIT
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |