Patent US3322338A successfully refreshed from Google Patents.
US3322338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifuge stabilizing assembly with heat probe
Assignee: Beckman Coulter Inc
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Filing: 1963-04-15
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Granted: 1967-05-30
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Expires: 1983-04-15
Abstract
No abstract record available.
Inventors
- 👤 Richard C Stallman
- 👤 James F Woodall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:11
CPC Classifications
B; B04; B04B; B04B9/00; B04B9/12; B04B9/14; F; F16; F16C; F16C27/00; F16C27/06; F16C27/066; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1204
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
AN APPARATUS, INCLUDING A BEARING ASSEMBLY, FOR STABILIZING A CENTRIFUGE ROTOR ABOUT ITS TRUE AXIS OF ROTATION THROUGH LOW SPEEDS AND FOR DAMPING LATERAL MOVEMENT OF THE ROTOR WITH RESPECT TO A SUPPORTING FRAME, SAID APPARATUS COMPRISING A MEMBER, ROTATABLY MOUNTED IN SAID BEARING ASSEMBLY, FOR ENGAGING SAID ROTOR WHEREBY SAID ROTOR IS HELD FOR ROTATION ABOUT SAID TRUE AXIS OF ROTATION, SAID MEMBER HAVING AN AXIS SUBSTANTIALLY COINCIDENT WITH SAID TRUE AXIS OF ROTATION; MEANS MOUNTED IN SAID BEARING ASSEMBLY FOR CARRYING SAID MEMBER, SAID CARRYING MEANS BEING MOVABLE WITH YIELDING RESISTANCE WITHIN PREDETERMINED LIMITS LATERALLY OF SAID AXIS OF ROTATION WHEREBY SAID AXIS OF SAID MEMBER IS MOVABLE IN AN ORBIT ABOUT SAID TRUE AXIS OF ROTATION AND WHEREBY SAID LATERAL MOVEMENT OF SAID ROTOR IS DAMPED; MEANS CONNECTED TO SAID MEMBER AND BEING RESPONSIVE TO THE TRANSITION OF SAID ROTOR FROM ONE SPEED RANGE TO ANOTHER FOR MOVING SAID MEMBER BETWEEN A ROTORENGAGING POSITION AND A ROTOR-RELEASING POSITION.
Claim 2
Independent Claim
161 words
AN APPARATUS, INCLUDING A BEARING ASSEMBLY, FOR STABILIZING A CENTRIFUGE ROTOR ABOUT ITS TRUE AXIS OF ROTATION THROUGH LOW SPEEDS AND FOR DAMPING LATERAL MOVEMENT OF THE ROTOR WITH RESPECT TO A SUPPORTING FRAME, SAID APPARATUS COMPRISING A MEMBER, ROTATABLY MOUNTED IN SAID BEARING ASSEMBLY, FOR ENGAGING SAID ROTOR WHEREBY SAID ROTOR IS HELD FOR ROTATION ABOUT SAID TRUE AXIS OF ROTATION, SAID MEMBER HAVING AN AXIS SUBSTANTIALLY COINCIDENT WITH SAID TRUE AXIS OF ROTATION; MEANS MOUNTED IN SAID BEARING ASSEMBLY FOR CARRYING SAID MEMBER, SAID CARRYING MEANS BEING MOVABLE WITH YIELDING RESISTANCE WITHIN PREDETERMINED LIMITS LATERALLY OF SAID AXIS OF ROTATION WHEREBY SAID AXIS OF SAID MEMBER IS MOVABLE IN AN ORBIT ABOUT SAID TRUE AXIS OF ROTATION AND WHEREBY SAID LATERAL MOVEMENT OF SAID ROTOR IS DAMPED; MEANS CONNECTED TO SAID MEMBER AND BEING RESPONSIVE TO THE TRANSITION OF SAID ROTOR FROM ONE SPEED RANGE TO ANOTHER FOR MOVING SAID MEMBER BETWEEN A ROTORENGAGING POSITION AND A ROTOR-RELEASING POSITION.
References Cited (Backward Citations)
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Cited
US1955746A
Cited
US1968692A
Cited
GB777973A
Cited
US2885188A
Cited
US2878992A
Cited
US3246688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |