US3075404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotor support
Assignee: Saul and Co
•
Filing: 1953-01-28
•
Granted: 1963-01-29
•
Expires: 1973-01-28
Abstract
No abstract record available.
Inventors
- 👤 Wiedemann Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:16
CPC Classifications
F; F16; F16F; F16F7/00; F16F7/10; B; B04; B04B; B04B9/00; B04B9/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A ROTATING SYSTEM HAVING A VERTICAL AXIS, ESPECIALLY FOR HIGH SPEED CENTRIFUGES ROTATING BEYOND THE CRITICAL SPEED THEREOF, CONSISTING ESSENTIALLY OF A MASSIVE ROTOR, A FLEXIBLE SHAFT, THE UPPER END OF SAID FLEXIBLE SHAFT BEING DIRECTLY ATTACHED TO THE BASE OF SAID ROTOR, A DRIVING MOTOR HAVING AN AXLE, THE LOWER END OF SAID SHAFT BEING DIRECTLY ATTACHED TO SAID AXLE, AND RESILIENTLY DEFORMABLE SUPPORTING MEANS ON SAID MOTOR FOR SECURING SAID MOTOR ON A BASE, SAID RESILIENT SUPPORTING MEANS DISPOSED SYMMETRICALLY ABOUT SAID AXIS AND DEFINING A SUPPORTING PLANE, THE DISTANCE BETWEEN SAID PLANE AND THE LOWER END OF SAID FLEXIBLE SHAFT BEING AT LEAST EQUAL TO THE AXIAL LENGTH OF THE MOTOR, WHEREBY THE LOWER END OF THE FLEXIBLE SHAFT IS MOVABLE ABOUT A CENTRAL POSITION, AND THIS MOVEMENT WILL BE DAMPED IN ALL DIRECTIONS BY THE SYMMETRICALLY DIS-
Claim 2
Dependent Claim
141 words
A ROTATING SYSTEM HAVING A VERTICAL AXIS, ESPECIALLY FOR HIGH SPEED CENTRIFUGES ROTATING BEYOND THE CRITICAL SPEED THEREOF, CONSISTING ESSENTIALLY OF A MASSIVE ROTOR, A FLEXIBLE SHAFT, THE UPPER END OF SAID FLEXIBLE SHAFT BEING DIRECTLY ATTACHED TO THE BASE OF SAID ROTOR, A DRIVING MOTOR HAVING AN AXLE, THE LOWER END OF SAID SHAFT BEING DIRECTLY ATTACHED TO SAID AXLE, AND RESILIENTLY DEFORMABLE SUPPORTING MEANS ON SAID MOTOR FOR SECURING SAID MOTOR ON A BASE, SAID RESILIENT SUPPORTING MEANS DISPOSED SYMMETRICALLY ABOUT SAID AXIS AND DEFINING A SUPPORTING PLANE, THE DISTANCE BETWEEN SAID PLANE AND THE LOWER END OF SAID FLEXIBLE SHAFT BEING AT LEAST EQUAL TO THE AXIAL LENGTH OF THE MOTOR, WHEREBY THE LOWER END OF THE FLEXIBLE SHAFT IS MOVABLE ABOUT A CENTRAL POSITION, AND THIS MOVEMENT WILL BE DAMPED IN ALL DIRECTIONS BY THE SYMMETRICALLY DIS-
References Cited (Backward Citations)
NL26034C
Cited
US1483326A
Cited
US1819322A
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US2041353A
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US2138531A
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US2589796A
Cited
US2615657A
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US2647591A
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US2670914A
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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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |