US3174809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-centering radial and thrust load air bearing
Assignee: Motors Liquidation Co
•
Filing: 1963-04-30
•
Granted: 1965-03-23
•
Expires: 1983-04-30
Abstract
No abstract record available.
Inventors
- 👤 Harry A Mackie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:31
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; F16C32/0662; F16C32/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN AN AIR BEARING ASSEMBLY, A ROTATING MEMBER HAVING A GENERALLY CONICAL BEARING SURFACE, A SUPPORT FORMED WITH AN ANNULAR RECESS NORMALLY CONCENTRIC WITH AND AXIALLY SPACED FROM SAID BEARING SURFACE, A FLEXIBLE DIAPHRAGM SECURED TO AND EXTENDING AROUND THE CIRCUMFERENCE OF SAID RECESS FORMING A WALL OF CURVED CROSS SECTION ADJACENT SAID CONICAL BEARING SURFACE, AND MEANS FOR ESTABLISHING AND MAINTAINING SUBSTANTIALLY CORRESPONDING FLUID PRESSURE IN THE SPACE BETWEEN SAID CURVED WALL AND SAID RECESS AND THE SPACE BETWEEN SAID RECESS AND SAID MEMBER BOUNDED BY SAID CURVED WALL.
Claim 2
Dependent Claim
90 words
IN AN AIR BEARING ASSEMBLY, A ROTATING MEMBER HAVING A GENERALLY CONICAL BEARING SURFACE, A SUPPORT FORMED WITH AN ANNULAR RECESS NORMALLY CONCENTRIC WITH AND AXIALLY SPACED FROM SAID BEARING SURFACE, A FLEXIBLE DIAPHRAGM SECURED TO AND EXTENDING AROUND THE CIRCUMFERENCE OF SAID RECESS FORMING A WALL OF CURVED CROSS SECTION ADJACENT SAID CONICAL BEARING SURFACE, AND MEANS FOR ESTABLISHING AND MAINTAINING SUBSTANTIALLY CORRESPONDING FLUID PRESSURE IN THE SPACE BETWEEN SAID CURVED WALL AND SAID RECESS AND THE SPACE BETWEEN SAID RECESS AND SAID MEMBER BOUNDED BY SAID CURVED WALL.
References Cited (Backward Citations)
US1425979A
Cited
US3065460A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |