US3225418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable-camber cylinder
Assignee: D C M NANTERRE
•
Filing: 1964-04-01
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Granted: 1965-12-28
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Expires: 1984-04-01
Abstract
No abstract record available.
Inventors
- 👤 Fara Pierre Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:50
CPC Classifications
F; F16; F16C; F16C13/00; F16C13/02; F16C13/022; F16C13/024; F16C13/026; D; D06; D06C; D06C3/00; D06C3/06; D06C3/067; D21; D21F; D21F1/00; D21F1/36; F16C13/003; F16C2340/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A VARIABLE-CAMBLER CYLINDER, COMPRISING: AN ELONGATED SHAFT; BEARINGS MOUNTED ON SAID SHAFT AT AXIALLY SPACED POINTS THEREALONG; AN OUTER CYLINDER MOUNTED ON SAID BEARINGS SURROUNDING AND SPACED RADIALLY OUTWARDLY FROM SAID SHAFTF; A PLURALITY OF RELATIVELY RADIALLY MOVABLE BEARING ELEMENTS MOUNTED ON SAID SHAFT BETWEEN ADJACENT BEARINGS, THE ADJACENT AXIAL END FACES OF A PAIR OF ADJACENT RELATIVELY RADIALLY MOVABLE BEARING ELEMENTS BEING OF COOPERATING PARTIALLY SPHERICAL SHAPE, ONE OF SAID PAIR OF BEARING ELEMENTS BEING MOUNTED FOR RADIAL MOVEMENT WITH REPECT TO SAID SHAFT AND THE OTHER BEING ELEMENT OF SAID PAIR BEING FIXED WITH RESPECT TO THE ADJACENT BEARING AGAINST RADIAL MOVEMENT WITH RESPECT TO SAID SHAFT; AND MEANS FOR MOVING SAID RADIALLY MOVABLE BEARING ELEMENTS RADIALLY WITH RESPECT TO SAID SHAFT FOR IMPARTING TO SAID SHAFT A CURVATURE WHICH IS TRANSMITTED TO SAID CYLINDER BY SAID BEARINGS.
Claim 2
Dependent Claim
140 words
A VARIABLE-CAMBLER CYLINDER, COMPRISING: AN ELONGATED SHAFT; BEARINGS MOUNTED ON SAID SHAFT AT AXIALLY SPACED POINTS THEREALONG; AN OUTER CYLINDER MOUNTED ON SAID BEARINGS SURROUNDING AND SPACED RADIALLY OUTWARDLY FROM SAID SHAFTF; A PLURALITY OF RELATIVELY RADIALLY MOVABLE BEARING ELEMENTS MOUNTED ON SAID SHAFT BETWEEN ADJACENT BEARINGS, THE ADJACENT AXIAL END FACES OF A PAIR OF ADJACENT RELATIVELY RADIALLY MOVABLE BEARING ELEMENTS BEING OF COOPERATING PARTIALLY SPHERICAL SHAPE, ONE OF SAID PAIR OF BEARING ELEMENTS BEING MOUNTED FOR RADIAL MOVEMENT WITH REPECT TO SAID SHAFT AND THE OTHER BEING ELEMENT OF SAID PAIR BEING FIXED WITH RESPECT TO THE ADJACENT BEARING AGAINST RADIAL MOVEMENT WITH RESPECT TO SAID SHAFT; AND MEANS FOR MOVING SAID RADIALLY MOVABLE BEARING ELEMENTS RADIALLY WITH RESPECT TO SAID SHAFT FOR IMPARTING TO SAID SHAFT A CURVATURE WHICH IS TRANSMITTED TO SAID CYLINDER BY SAID BEARINGS.
References Cited (Backward Citations)
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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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |