US3249390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas lubricated bearing and method
Assignee: Individual
•
Filing: 1963-05-29
•
Granted: 1966-05-03
•
Expires: 1983-05-29
Abstract
No abstract record available.
Inventors
- 👤 Everett H Schwartzman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:34
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/002; B05C17/003; B05C17/005; B05C17/01; B05C17/015; E; E04; E04F; E04F21/00; E04F21/02; E04F21/06; E04F21/08; F; F16; F16C; F16C32/00; F16C32/06; F16C32/0603; F16C32/0614; F16C32/0622; F16C32/0681; F16C32/0696; F16C2300/00; F16C2300/02; F16C2361/00; F16C2361/55
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A GAS LUBRICATED BEARING COMPRISING: A STATIONARY FRAME MEMBER HAVING, THERETHROUGH, AN OPENING WITH A LONGITUDINAL AXIS; A ROTARY BODY DISPOSED WITH SAID OPENING AND HAVING AN AXIS OF REVOLUTION SUBSANTIALLY COINCIDENT WITH SAID LONGITUDINAL AXIS; AT LEAST ONE JOURNAL SURFACE ON SAID ROTARY BODY; AN OUTER, SUBSTANTIALLY NONROTATING BEARING; ALL METAL MEANS FOR RESILIENTLY SUPPORTING SAID NON-ROTATING BEARING BY AND WITHIN SAID FRAME MEMBER WITH A CENTRALIZING RESTORING SUPPORTING FORCE, SAID BEARING HAVING AN INTERNAL SURFCE GEOMETRICALLY SIMILAR TO THAT OF SAID JOURNAL SURFACE AND BEING JUXTAPOSED THEREABOUT WITH A SPACING OF JUXTAPOSITION WHICH DEFINES A REGION FOR A LUBRICATING GAS FILM; COULOMB FRICTION PROVIDING MEANS CARRIED BY SID FRAME MEMBER IN CONTACT WITH SAID BEARING FOR DAMPING OSCILLATORY MOTION THEREOF WITH RESPECT TO SAID FRAME MEMBER; LUBRICATING GAS DISPOSED THEREWITHIN WHEREBY SAID ROTARY BODY IS RADIALLY, FORCE-COUPLED TO SAID BEARING.
Claim 2
Dependent Claim
142 words
A GAS LUBRICATED BEARING COMPRISING: A STATIONARY FRAME MEMBER HAVING, THERETHROUGH, AN OPENING WITH A LONGITUDINAL AXIS; A ROTARY BODY DISPOSED WITH SAID OPENING AND HAVING AN AXIS OF REVOLUTION SUBSANTIALLY COINCIDENT WITH SAID LONGITUDINAL AXIS; AT LEAST ONE JOURNAL SURFACE ON SAID ROTARY BODY; AN OUTER, SUBSTANTIALLY NONROTATING BEARING; ALL METAL MEANS FOR RESILIENTLY SUPPORTING SAID NON-ROTATING BEARING BY AND WITHIN SAID FRAME MEMBER WITH A CENTRALIZING RESTORING SUPPORTING FORCE, SAID BEARING HAVING AN INTERNAL SURFCE GEOMETRICALLY SIMILAR TO THAT OF SAID JOURNAL SURFACE AND BEING JUXTAPOSED THEREABOUT WITH A SPACING OF JUXTAPOSITION WHICH DEFINES A REGION FOR A LUBRICATING GAS FILM; COULOMB FRICTION PROVIDING MEANS CARRIED BY SID FRAME MEMBER IN CONTACT WITH SAID BEARING FOR DAMPING OSCILLATORY MOTION THEREOF WITH RESPECT TO SAID FRAME MEMBER; LUBRICATING GAS DISPOSED THEREWITHIN WHEREBY SAID ROTARY BODY IS RADIALLY, FORCE-COUPLED TO SAID BEARING.
References Cited (Backward Citations)
GB189712514A
Cited
US2363260A
Cited
US2487343A
Cited
US2822223A
Cited
GB796926A
Cited
US3058785A
Cited
US3113809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |