US3280545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic bobbin doffing apparatus
Assignee: Bahnson Co
•
Filing: 1964-06-30
•
Granted: 1966-10-25
•
Expires: 1984-06-30
Abstract
No abstract record available.
Inventors
- 👤 Jr James F King
- 👤 Donald A Sloan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:27
CPC Classifications
D; D01; D01H; D01H9/00; D01H9/02; D01H9/08; D01H9/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
APPARATUS FOR DOFFING BOBBINS FROM A ROW OF UPRIGHT SPINDLES ON A MACHINE COMPRISING DOFFING MEANS INCLUDING A LIFTER ARM MOVABLE ALONG THE ROW OF SPINDLES INTO A POSITION ENGAGING EACH INDIVIDUAL BOBBIN, MEANS SUPPORTING SAID LIFTER ARM FOR MOVEMENT RELATIVE TO THE DOFFER MEANS IN A FRIST DIRECTION RESPONSIVE TO ENGAGEMENT WITH THE INDIVIDUAL SPINDLES AND IN A SECOND DIRECTION EFFECTIVE TO LIFT THE BOBBIN FROM THEIR SPINDLES LIFTER ARM DRIVING MEANS FOR MOVING THE LIFTER ARM RAPIDLY IN SAID SECOND DIRECTION FROM A SELECTED BOBBIN ENGAGING POSITION FOR EJECTING THE BOBBIN FROM THE SPINDLE, AND MEANS RESPONSIVE TO MOVEMENT OF SAID LIFTER ARM IN SAID FIRST DIRECTION TO ACTUATE SAID DRIVING MEANS FOR DRIVING THE LIFTER ARM IN SAID SECOND DIRECTION AND EJECT THE ENGAGED BOBBIN FROM ITS ASSOCIATED SPINDLE.
Claim 2
Dependent Claim
132 words
APPARATUS FOR DOFFING BOBBINS FROM A ROW OF UPRIGHT SPINDLES ON A MACHINE COMPRISING DOFFING MEANS INCLUDING A LIFTER ARM MOVABLE ALONG THE ROW OF SPINDLES INTO A POSITION ENGAGING EACH INDIVIDUAL BOBBIN, MEANS SUPPORTING SAID LIFTER ARM FOR MOVEMENT RELATIVE TO THE DOFFER MEANS IN A FRIST DIRECTION RESPONSIVE TO ENGAGEMENT WITH THE INDIVIDUAL SPINDLES AND IN A SECOND DIRECTION EFFECTIVE TO LIFT THE BOBBIN FROM THEIR SPINDLES LIFTER ARM DRIVING MEANS FOR MOVING THE LIFTER ARM RAPIDLY IN SAID SECOND DIRECTION FROM A SELECTED BOBBIN ENGAGING POSITION FOR EJECTING THE BOBBIN FROM THE SPINDLE, AND MEANS RESPONSIVE TO MOVEMENT OF SAID LIFTER ARM IN SAID FIRST DIRECTION TO ACTUATE SAID DRIVING MEANS FOR DRIVING THE LIFTER ARM IN SAID SECOND DIRECTION AND EJECT THE ENGAGED BOBBIN FROM ITS ASSOCIATED SPINDLE.
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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |