Patent US6366918B1 successfully refreshed from Google Patents.
US3587402A
Expired / Lapsed
US
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Pressure medium operable drive for giant antifriction bearings
Assignee: Individual
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Filing: 1969-05-02
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Granted: 1971-06-28
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Expires: 1989-05-02
Abstract
Abstract THE INVENTION CONCERNS A FLUID DRIVE FOR EFFECTING RELATIVE ROTATION BETWEEN THE INNER AND OUTER RACES OF A GAINT ANTIFRICTION BEARING AND HAS RADIAL CYLINDERS CONNECTED TO THE OUTER RACE OF THE BEARING AND LOCATED INSIDE THE INNER RACE AND HAVING OUTWARDLY ACTING PISTONS THEREIN WHICH ENGAGE AN UNDULATING CAM CONNECTED TO THE INSIDE OF THE INNER RACE OF THE BEARING. A RING ELEMENT CONNECTED TO THE RADIALLY INNER ENDS OF THE CYLINDERS RECEIVES A TUBULAR BLOCK THAT IS CONNECTED TO THE INNER RACE AND FLUID IS SUPPLIED TO THE CYLINDERS AND EXHAUSTED THEREFROM BY PASSAGES EXTENDING FROM THE CYLINDERS THROUGH SAID MEMBER AND BLOCK.
Inventors
- 👤 Wilhelm Schluter
- 👤 Rolf Thonigs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:45
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/62; B66C23/84; B66C23/86; E; E02; E02F; E02F9/00; E02F9/08; E02F9/10; E02F9/12; E02F9/121; E02F9/123; F; F16; F16C; F16C19/00; F16C19/02; F16C19/14; F16C19/16; F16C2300/00; F16C2300/10; F16C2300/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |