US3318078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Doffer-donner mechanism for spinning machines and the like
Assignee: Bahnson Co
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Filing: 1961-09-21
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Granted: 1967-05-09
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Expires: 1981-09-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Agnew H Bahnson
- 👤 Jr James F King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:26
CPC Classifications
D; D01; D01H; D01H9/00; D01H9/02; D01H9/08; D01H9/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
APPARATUS FOR DOFFING FULL BOBBINS IN SUCCESSION FROM A LINE OF SPINDLES ON A TEXTILE WORKING MACHINE COMPRISING A SUPPORT STRUCTURE ARRANGED TO TRAVEL ALONG THE LINE OF SPINDLES, A BOBBIN LIFTER MECHANISM INCLUDING A LIFTER ARM MOVABLE BETWEEN A RETRACTED POSITION CLEAR OF THE SPACERS BETWEEN THE SPINDLES AND AN EXTENDED POSITION ENGAGING THE BOBBIN TO BE DOFFED, AN ELECTRORESPONSIVE ACTUATING MEANS COUPLED TO SAID BOBBIN LIFTER MECHANISM, AN ENERGIZING CIRCUIT FOR SAID ELECTRO-RESPONSIVE ACTUATING MEANS, A SWITCH HAVING ITS CONTACTS ARRANGED IN SAID ENERGIZING CIRCUIT, AND A BOBBIN FEELER MEMBER LOCATED IN THE PATH OF AND ACTUATABLE BY THE BOBBIN TO BE DOFFED FOR CONTROLLING SAID SWITCH CONTACTS TO THEREBY CONTROL ACTUATION OF SAID BOBBIN LIFTER MECHANISM.
Claim 2
Dependent Claim
119 words
APPARATUS FOR DOFFING FULL BOBBINS IN SUCCESSION FROM A LINE OF SPINDLES ON A TEXTILE WORKING MACHINE COMPRISING A SUPPORT STRUCTURE ARRANGED TO TRAVEL ALONG THE LINE OF SPINDLES, A BOBBIN LIFTER MECHANISM INCLUDING A LIFTER ARM MOVABLE BETWEEN A RETRACTED POSITION CLEAR OF THE SPACERS BETWEEN THE SPINDLES AND AN EXTENDED POSITION ENGAGING THE BOBBIN TO BE DOFFED, AN ELECTRORESPONSIVE ACTUATING MEANS COUPLED TO SAID BOBBIN LIFTER MECHANISM, AN ENERGIZING CIRCUIT FOR SAID ELECTRO-RESPONSIVE ACTUATING MEANS, A SWITCH HAVING ITS CONTACTS ARRANGED IN SAID ENERGIZING CIRCUIT, AND A BOBBIN FEELER MEMBER LOCATED IN THE PATH OF AND ACTUATABLE BY THE BOBBIN TO BE DOFFED FOR CONTROLLING SAID SWITCH CONTACTS TO THEREBY CONTROL ACTUATION OF SAID BOBBIN LIFTER MECHANISM.
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) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |