Patent US3368632A successfully refreshed from Google Patents.
US3368632A
Expired / Lapsed
US
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Pile driver and extractor
Assignee: JEAN L LEBELLE
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Filing: 1966-03-18
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Granted: 1968-02-13
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Expires: 1986-03-18
Abstract
No abstract record available.
Inventors
- 👤 Jean L Lebelle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:05
CPC Classifications
E; E02; E02D; E02D11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
AN APPARATUS FOR MATERIALLY REDUCING THE EFFORT REQUIRED TO DRIVE AND EXTRACT ELONGATED PILING INTO AND FROM SOIL, SAID APPARATUS COMPRISING A PAIR OF SUPPORTS, A PAIR OF SHAFTS EACH MOUNTED ON A DIFFERENT SUPPORT FOR ROTATION ABOUT SPACED PARALLEL AXES, A PAIR OF ECCENTRIC WEIGHTS EACH FIXED TO A DIFFERENT SHAFT FOR ROTATION THEREWITH, SAID WEIGHTS BEING SYNCHRONIZED AND PHASED TO EXERT UNIAXIAL VIBRATORY FORCE ON THE PILING IN A DIRECTION PARALLEL TO THE LONGITUDINAL AXIS OF THE PILING, THE AXES OF ROTATION OF THE SHAFTS LYING IN A PLANE PERPENDICULAR TO SAID LONGITUDINAL AXIS, MOTOR MEANS DRIVING THE SHAFTS IN OPPOSED DIRECTIONS AT THE SAME ANGULAR VELOCITY, MEANS PIVOTALLY INTERCONNECTING THE SUPPORTS FOR LIMITED RELATIVE ROCKING MOVEMENT ABOUT AN AXIS PARALLEL TO THE AXES OF THE SHAFTS, A PAIR OF JAWS LOCATED ON THE APPARATUS DISTANTLY FROM THE PIVOTAL AXIS OF THE SUPPORTS AND FOR RIGIDLY GRIPPING THEREBETWEEN AN UPPER PORTION OF THE PILING, EACH JAW BEING ATTACHED TO A DIFFERENT SUPPORT, AND MEANS FOR SELECTIVELY ROCKING THE SUPPORTS ABOUT THEIR PIVOTAL AXIS UNDER POWER TO MOVE THE JAWS TOWARD ONE ANOTHER.
Claim 2
Independent Claim
184 words
AN APPARATUS FOR MATERIALLY REDUCING THE EFFORT REQUIRED TO DRIVE AND EXTRACT ELONGATED PILING INTO AND FROM SOIL, SAID APPARATUS COMPRISING A PAIR OF SUPPORTS, A PAIR OF SHAFTS EACH MOUNTED ON A DIFFERENT SUPPORT FOR ROTATION ABOUT SPACED PARALLEL AXES, A PAIR OF ECCENTRIC WEIGHTS EACH FIXED TO A DIFFERENT SHAFT FOR ROTATION THEREWITH, SAID WEIGHTS BEING SYNCHRONIZED AND PHASED TO EXERT UNIAXIAL VIBRATORY FORCE ON THE PILING IN A DIRECTION PARALLEL TO THE LONGITUDINAL AXIS OF THE PILING, THE AXES OF ROTATION OF THE SHAFTS LYING IN A PLANE PERPENDICULAR TO SAID LONGITUDINAL AXIS, MOTOR MEANS DRIVING THE SHAFTS IN OPPOSED DIRECTIONS AT THE SAME ANGULAR VELOCITY, MEANS PIVOTALLY INTERCONNECTING THE SUPPORTS FOR LIMITED RELATIVE ROCKING MOVEMENT ABOUT AN AXIS PARALLEL TO THE AXES OF THE SHAFTS, A PAIR OF JAWS LOCATED ON THE APPARATUS DISTANTLY FROM THE PIVOTAL AXIS OF THE SUPPORTS AND FOR RIGIDLY GRIPPING THEREBETWEEN AN UPPER PORTION OF THE PILING, EACH JAW BEING ATTACHED TO A DIFFERENT SUPPORT, AND MEANS FOR SELECTIVELY ROCKING THE SUPPORTS ABOUT THEIR PIVOTAL AXIS UNDER POWER TO MOVE THE JAWS TOWARD ONE ANOTHER.
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) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |