US3112082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windup chuck
Assignee: EIDP Inc
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Filing: 1960-06-07
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Granted: 1963-11-26
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Expires: 1980-06-07
Abstract
No abstract record available.
Inventors
- 👤 Maryland V Altice
- 👤 Vincent H Waldin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:54
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; B65H54/40; B65H54/54; B65H54/543; B65H2402/00; B65H2402/20; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A SURFACE DRIVEN WINDUP CHUCK COMPRISING: AN ELONGATED BODY MOUNTED FOR ROTATION ABOUT ITS LONGITUDINAL AXIS; A PLURALITY OF ELONGATED DOG MEMBERS; MEANS PIVOTALLY MOUNTED EACH DOG MEMBER ON SAID BODY FOR SWINGING MOVEMENT OF ITS ENDS IN OPPOSITE DIRECTIONS TOWARD AND AWAY FROM SAID AXIS; AND RESILIENT MEANS IN ENGAGEMENT WITH ONE OF SAID ENDS FOR BIASING IT AWAY FROM SAID AXIS, THE BIASING ACTION OF SAID RESILIENT MEANS BEING LIMITED BY ENGAGEMENT OF THE OPPOSITE END OF EACH DOG WITH SAID BODY, SAID DOGS EACH HAVING OUTER LONGITUDINAL EDGES ADAPTED FOR GRIPPING CONTACT WITH THE INNER SURFACE OF A TUBULAR PACKAGE CORE.
Claim 2
Dependent Claim
104 words
A SURFACE DRIVEN WINDUP CHUCK COMPRISING: AN ELONGATED BODY MOUNTED FOR ROTATION ABOUT ITS LONGITUDINAL AXIS; A PLURALITY OF ELONGATED DOG MEMBERS; MEANS PIVOTALLY MOUNTED EACH DOG MEMBER ON SAID BODY FOR SWINGING MOVEMENT OF ITS ENDS IN OPPOSITE DIRECTIONS TOWARD AND AWAY FROM SAID AXIS; AND RESILIENT MEANS IN ENGAGEMENT WITH ONE OF SAID ENDS FOR BIASING IT AWAY FROM SAID AXIS, THE BIASING ACTION OF SAID RESILIENT MEANS BEING LIMITED BY ENGAGEMENT OF THE OPPOSITE END OF EACH DOG WITH SAID BODY, SAID DOGS EACH HAVING OUTER LONGITUDINAL EDGES ADAPTED FOR GRIPPING CONTACT WITH THE INNER SURFACE OF A TUBULAR PACKAGE CORE.
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) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |