US3434761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrodynamic shaft bearing
Assignee: Garrett Corp
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Filing: 1963-07-11
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Granted: 1969-03-25
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Expires: 1983-07-11
Abstract
No abstract record available.
Inventors
- 👤 David J Marley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:55
CPC Classifications
F; F16; F16C; F16C17/00; F16C17/02; F16C17/024; F16C43/00; F16C43/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A FILM LUBRICATED SHAFT BEARING COMPRISING: A BEARING UNIT HAVING A SHAFT RECEIVING OPENINGS AND INCLUDING A PLURALITY OF RELATIVELY THIN, FLEXIBLE, COMPLIANT BEARING FOILS SPACED AROUND SAID OPENING AND EACH EXTENDING GENERALLY CIRCUMFERENTIALLY ABOUT A PORTION ONLY OF SAID OPENING; SAID BEARING FOILS BEING SUPPORTED BY SAID UNIT AT LEAST TWO POSITIONS ALONG EACH FOIL AND BEING SPACED FROM SAID UNIT INTERMEDIATE SAID POSITIONS TO PROVIDE A PLURALITY OF CONCAVE BEARING SURFACES RESILIENTLY ROTATIVELY SUPPORTING A SHAFT IN SAID OPENING.
Claim 2
Dependent Claim
81 words
A FILM LUBRICATED SHAFT BEARING COMPRISING: A BEARING UNIT HAVING A SHAFT RECEIVING OPENINGS AND INCLUDING A PLURALITY OF RELATIVELY THIN, FLEXIBLE, COMPLIANT BEARING FOILS SPACED AROUND SAID OPENING AND EACH EXTENDING GENERALLY CIRCUMFERENTIALLY ABOUT A PORTION ONLY OF SAID OPENING; SAID BEARING FOILS BEING SUPPORTED BY SAID UNIT AT LEAST TWO POSITIONS ALONG EACH FOIL AND BEING SPACED FROM SAID UNIT INTERMEDIATE SAID POSITIONS TO PROVIDE A PLURALITY OF CONCAVE BEARING SURFACES RESILIENTLY ROTATIVELY SUPPORTING A SHAFT IN SAID OPENING.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |