US3204397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Doffing mechanism
Assignee: Draper Corp
•
Filing: 1963-07-05
•
Granted: 1965-09-07
•
Expires: 1983-07-05
Abstract
No abstract record available.
Inventors
- 👤 John A Cugini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:15
CPC Classifications
D; D01; D01H; D01H9/00; D01H9/02; D01H9/08; D01H9/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A MECHANISM FOR DOFFING BOBBINS FROM A ROW OF SPINDLES SUPPORTED ON A MACHINE WHICH COMPRISES AN OPENFACED CASING MEMBER BEING ADAPTED TO BE PRESENTED SEQUENTIALLY TO EACH CONSECUTIVE BOBBIN ON THE ROW OF SPINDLES, A BOBBIN-LIFTER CHANNEL MEMBER ROTATABLY SUPPORTED WITHIN SAID CASING, A PLURALITY OF BOBBIN-LIFTER UNITS SLIDABLY MOUNTED ON SAID CHANNEL MEMBER, EACH ONE OF SAID LIFTER UNITS BEING ADAPTED TO BE MOVED BETWEEN A LOWER BOBIN-CONTACTING POSITION AND AN UPPER BOBBINDOFFING POSITION, CAMMING MEANS FOR DIRECTING SAID LIFTER UNITS INTO SAID LOWER POSITION, SAID CAMMING MEANS PARTIALLY SURROUNDING SAID CHANNEL MEMBER, RAISING MEANS FOR DIRECTING SAID LIFTER UNITS TO SAID UPPER POSITION, AND A DRIVE MEMBER FOR INTERMITTENTLY ROTATING SAID CHANNEL MEMBER AND SAID LIFTER UNITS, SAID DRIVE MEMBER BEING ACTUATED THROUGH CONTACT WITH EACH SPINDLE TO BE DOFFED THUS ASSURING UNIFORM POSITIONING OF SAID LIFTER UNITS RELATIVE TO EACH SPINDLE AND BOBBIN.
Claim 2
Dependent Claim
147 words
A MECHANISM FOR DOFFING BOBBINS FROM A ROW OF SPINDLES SUPPORTED ON A MACHINE WHICH COMPRISES AN OPENFACED CASING MEMBER BEING ADAPTED TO BE PRESENTED SEQUENTIALLY TO EACH CONSECUTIVE BOBBIN ON THE ROW OF SPINDLES, A BOBBIN-LIFTER CHANNEL MEMBER ROTATABLY SUPPORTED WITHIN SAID CASING, A PLURALITY OF BOBBIN-LIFTER UNITS SLIDABLY MOUNTED ON SAID CHANNEL MEMBER, EACH ONE OF SAID LIFTER UNITS BEING ADAPTED TO BE MOVED BETWEEN A LOWER BOBIN-CONTACTING POSITION AND AN UPPER BOBBINDOFFING POSITION, CAMMING MEANS FOR DIRECTING SAID LIFTER UNITS INTO SAID LOWER POSITION, SAID CAMMING MEANS PARTIALLY SURROUNDING SAID CHANNEL MEMBER, RAISING MEANS FOR DIRECTING SAID LIFTER UNITS TO SAID UPPER POSITION, AND A DRIVE MEMBER FOR INTERMITTENTLY ROTATING SAID CHANNEL MEMBER AND SAID LIFTER UNITS, SAID DRIVE MEMBER BEING ACTUATED THROUGH CONTACT WITH EACH SPINDLE TO BE DOFFED THUS ASSURING UNIFORM POSITIONING OF SAID LIFTER UNITS RELATIVE TO EACH SPINDLE AND BOBBIN.
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |