Patent US3138413A successfully refreshed from Google Patents.
US3138413A
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US
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Self-acting bearing assembly
Assignee: Ace Glass Inc
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Filing: 1962-03-26
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Granted: 1964-06-23
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Expires: 1982-03-26
Abstract
No abstract record available.
Inventors
- 👤 Woody Charles M De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:14
CPC Classifications
F; F16; F16C; F16C3/00; F16C3/02; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/106; F16C33/20; F16C33/201; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/908
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A SELF-ACTING BEARING ASSEMBLY, COMPRISING A SHAFT AND A BEARING MEMBER HAVING AN ANNULAR CLEARANCE TO ACCOMMODATE A GAS FILM CUSHION, THE PERIPHERAL SURFACE OF SAID SHAFT BEING PROVIDED WITH A SERIES OF MINUTE IRREGULARITIES DISTRIBUTED THROUGHOUT, A THIN COATING OF PLASTIC MATERIAL ON THE PERIPHERY OF SAID SHAFT, THE EXTERNAL SURFACE THEREOF CONFORMING SUBSTANTIALLY TO THE IRREGULAR SURFACE CONTOUR OF SAID SHAFT, AND THE ADJACENT, SPACED BEARING SURFACE OF SAID BEARING MEMBER BEING SUBSTANTIALLY SMOOTH, WHEREBY, UPON ROTATION OF SAID SHAFT IN SAID BEARING, A TURBULENT GAS FILM IS CAUSED TO ACT AS A LUBRICATING MEDIUM.
Claim 2
Dependent Claim
97 words
A SELF-ACTING BEARING ASSEMBLY, COMPRISING A SHAFT AND A BEARING MEMBER HAVING AN ANNULAR CLEARANCE TO ACCOMMODATE A GAS FILM CUSHION, THE PERIPHERAL SURFACE OF SAID SHAFT BEING PROVIDED WITH A SERIES OF MINUTE IRREGULARITIES DISTRIBUTED THROUGHOUT, A THIN COATING OF PLASTIC MATERIAL ON THE PERIPHERY OF SAID SHAFT, THE EXTERNAL SURFACE THEREOF CONFORMING SUBSTANTIALLY TO THE IRREGULAR SURFACE CONTOUR OF SAID SHAFT, AND THE ADJACENT, SPACED BEARING SURFACE OF SAID BEARING MEMBER BEING SUBSTANTIALLY SMOOTH, WHEREBY, UPON ROTATION OF SAID SHAFT IN SAID BEARING, A TURBULENT GAS FILM IS CAUSED TO ACT AS A LUBRICATING MEDIUM.
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |