US3237980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylindrical object clamping devices
Assignee: COUNTRY ENGINEERING Inc
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Filing: 1964-04-06
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Granted: 1966-03-01
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Expires: 1984-04-06
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Helms
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:21
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/42; B66C1/425; B66C1/427; F; F16; F16L; F16L3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A RELEASABLE CLAMPING DEVICE FOR GRIPPING CYLINDRICAL OBJECTS COMPRISING, IN COMBINATION: A. A SUPPORTING YOKE PROVIDED WITH TWO OPPOSED PROTRUDING ARMS, B. A SWINGING LINK ASSOCIATED WITH EACH PROTRUDING ARM AND HAVING ONE END PIVOTALLY JOINED TO ITS PROTRUDING ARM AT AN INTERMEDIATE POINT THEREALONG FOR SWINGING MOVEMENT TOWARD AND AWAY FROM THE OUTERMOST PORTION OF THE ARM, C. A CLAMPING JAW ASSOCIATED WITH EACH SWINGING LINK AND PIVOTALLY ANCHORED THERETO FOR LOCKING PIVOTAL MOVEMENT INCORPORATING AN INTEGRAL ACTUATOR PROTRUDING FROM THE CLAMPING JAW BESIDE AND BEYOND ITS SWINGING LINK AND THE INTERMEDIATE PIVOT POINT ON ITS ARM TOWARD THE SUPPORTING YOKE, D. AND EXTENSIBLE ACTUATING MEANS CONNECTED PIVOTALLY TO A FREE END OF EACH ACTUATOR NEAR THE YOKE TO ROCK BOTH CLAMPING JAWS TOWARD AND AWAY FROM EACH OTHER UPON COMMAND.
Claim 2
Dependent Claim
132 words
A RELEASABLE CLAMPING DEVICE FOR GRIPPING CYLINDRICAL OBJECTS COMPRISING, IN COMBINATION: A. A SUPPORTING YOKE PROVIDED WITH TWO OPPOSED PROTRUDING ARMS, B. A SWINGING LINK ASSOCIATED WITH EACH PROTRUDING ARM AND HAVING ONE END PIVOTALLY JOINED TO ITS PROTRUDING ARM AT AN INTERMEDIATE POINT THEREALONG FOR SWINGING MOVEMENT TOWARD AND AWAY FROM THE OUTERMOST PORTION OF THE ARM, C. A CLAMPING JAW ASSOCIATED WITH EACH SWINGING LINK AND PIVOTALLY ANCHORED THERETO FOR LOCKING PIVOTAL MOVEMENT INCORPORATING AN INTEGRAL ACTUATOR PROTRUDING FROM THE CLAMPING JAW BESIDE AND BEYOND ITS SWINGING LINK AND THE INTERMEDIATE PIVOT POINT ON ITS ARM TOWARD THE SUPPORTING YOKE, D. AND EXTENSIBLE ACTUATING MEANS CONNECTED PIVOTALLY TO A FREE END OF EACH ACTUATOR NEAR THE YOKE TO ROCK BOTH CLAMPING JAWS TOWARD AND AWAY FROM EACH OTHER UPON COMMAND.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |