US3247565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gripping apparatus
Assignee: Individual
•
Filing: 1964-03-09
•
Granted: 1966-04-26
•
Expires: 1984-03-09
Abstract
No abstract record available.
Inventors
- 👤 Alvin G Griffin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:09
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/02; G01N3/04; G01N2203/00; G01N2203/0014; G01N2203/0016; G01N2203/0017; G01N2203/02; G01N2203/04; G01N2203/0447
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
GRIPPING APPARATUS ADAPTED TO RECEIVE AND GRIP A PLURALITY OF ELEMENTS COMPRISING A PAIR OF OPPOSED GRIPPING MEMBERS BETWEEN WHICH THE ELEMENTS TO BE GRIPPED ARE INSERTED; AT LEAST ONE OF SAID GRIPPING MEMBERS HAVING AN INCLINED SURFACE THEREON; AT LEAST TWO ROLLER MEMBERS DISPOSED ON SAID INCLINED SURFACE, SAID ROLLER MEMBERS NORMALLY BEING ALIGNED ON AND ROLLABLE OVER SAID INCLINED SURFACE ABOUT AN AXIS EXTENDING TRANSVERSELY OF THE ELEMENTS TO BE GRIPPED; MEANS EXTENDING THROUGH SAID ROLLER MEMBERS FOR LOOSELY CONNECTING SAID ROLLER MEMBERS, SAID CONNECTING MEANS PERMITTING EACH OF SAID ROLLER MEMBERS TO ROLL INDEPENDENTLY OF THE OTHER ALONG SAID INCLINED SURFACE AND THROUGH A PREDETERMINED DISTANCE WHICH IS DIFFERENT FROM THE LENGTH OF TRAVEL OF SAID ROLLER MEMBERS OVER SAID INCLINED SURFACE; SAID ROLLER MEMBERS BEING ROLLABLE IN A FIRST DIRECTION WHEREIN SAID ROLLER MEMBERS CONVERGE TOWARD THE OTHER GRIPPING MEMBER TO EFFECT CLAMPING THEREBETWEEN OF THE ELEMENT TO BE GRIPPED AND IN A SECOND DIRECTION, OPPOSITE TO SAID FIRST DIRECTION, WHEREIN SAID ROLLER MEMBERS DIVERGE FROM THE OTHER GRIPPING MEMBER TO EFFECT RELEASE OF THE ELEMENT GRIPPED.
Claim 2
Dependent Claim
181 words
GRIPPING APPARATUS ADAPTED TO RECEIVE AND GRIP A PLURALITY OF ELEMENTS COMPRISING A PAIR OF OPPOSED GRIPPING MEMBERS BETWEEN WHICH THE ELEMENTS TO BE GRIPPED ARE INSERTED; AT LEAST ONE OF SAID GRIPPING MEMBERS HAVING AN INCLINED SURFACE THEREON; AT LEAST TWO ROLLER MEMBERS DISPOSED ON SAID INCLINED SURFACE, SAID ROLLER MEMBERS NORMALLY BEING ALIGNED ON AND ROLLABLE OVER SAID INCLINED SURFACE ABOUT AN AXIS EXTENDING TRANSVERSELY OF THE ELEMENTS TO BE GRIPPED; MEANS EXTENDING THROUGH SAID ROLLER MEMBERS FOR LOOSELY CONNECTING SAID ROLLER MEMBERS, SAID CONNECTING MEANS PERMITTING EACH OF SAID ROLLER MEMBERS TO ROLL INDEPENDENTLY OF THE OTHER ALONG SAID INCLINED SURFACE AND THROUGH A PREDETERMINED DISTANCE WHICH IS DIFFERENT FROM THE LENGTH OF TRAVEL OF SAID ROLLER MEMBERS OVER SAID INCLINED SURFACE; SAID ROLLER MEMBERS BEING ROLLABLE IN A FIRST DIRECTION WHEREIN SAID ROLLER MEMBERS CONVERGE TOWARD THE OTHER GRIPPING MEMBER TO EFFECT CLAMPING THEREBETWEEN OF THE ELEMENT TO BE GRIPPED AND IN A SECOND DIRECTION, OPPOSITE TO SAID FIRST DIRECTION, WHEREIN SAID ROLLER MEMBERS DIVERGE FROM THE OTHER GRIPPING MEMBER TO EFFECT RELEASE OF THE ELEMENT GRIPPED.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |