US3093426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trunnion bearing
Assignee: Aerofall Mills Inc
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Filing: 1959-12-16
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Granted: 1963-06-11
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Expires: 1979-12-16
Abstract
No abstract record available.
Inventors
- 👤 Arthur S Cornford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:51
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; F16C32/0629; F16C13/00; F16C13/02; F16C13/04; F16N; F16N7/00; F16N7/38; F16N7/40; F16C2300/00; F16C2300/10; F16C2300/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
IN A TRUNNION BEARING FOR USE WITH A SUBSTANTIALLY CYLINDRICAL JOURNAL, A TRUNNION HOUSING INCLUDING A SPENT OIL SUMP; A PLURALITY OF BEARING SHOES WITHIN SAID HOUSING RADIALLY SPACED ABOVE SAID SUMP TO SUPPORT SAID JOURNAL; HIGH PRESSURE OIL SUPPLY MEANS FOR APPLYING A FILM OF OIL TO THE BEARING SURFACES OF SAID SHOES WHEREBY TO CREATE AN OIL FILM BETWEEN SAID SHOES AND SAID JOURNAL WHEN AT REST; A LOW PRESSURE OIL SUPPLY MEANS FOR APPLYING OIL AT A RELATIVE LOW PRESSURE TO THE BEARING SURFACES S OF SAID SHOES TO CREATE A HYDRODYNAMIC OIL FILM BETWEEN SAID JOURNAL AND SAID BEARING SHOES WHEN THE JOURNAL IS IN MOTION IN THE BEARING; MEANS TO SELECT THE HIGH OR LOW PRESSURE OIL SUPPLY; INDIVIDUALLY ADJUSTABLE SUPPORTING MEANS FOR SUPPORTING EACH BEARING SHOE IN ENGAGEMENT WITH SAID JOURNAL, SAID SUPPORTING MEANS INCLUDING A UNIVERSAL MOUNTING FOR SAID BEARING SHOE; AND MEANS FOR RETRACTING AN INDIVIDUAL SUPPORTING MEANS TO PERMIT THE ASSOCIATED SHOE TO DISENGAGE FROM SAID JOURNAL.
Claim 2
Dependent Claim
166 words
IN A TRUNNION BEARING FOR USE WITH A SUBSTANTIALLY CYLINDRICAL JOURNAL, A TRUNNION HOUSING INCLUDING A SPENT OIL SUMP; A PLURALITY OF BEARING SHOES WITHIN SAID HOUSING RADIALLY SPACED ABOVE SAID SUMP TO SUPPORT SAID JOURNAL; HIGH PRESSURE OIL SUPPLY MEANS FOR APPLYING A FILM OF OIL TO THE BEARING SURFACES OF SAID SHOES WHEREBY TO CREATE AN OIL FILM BETWEEN SAID SHOES AND SAID JOURNAL WHEN AT REST; A LOW PRESSURE OIL SUPPLY MEANS FOR APPLYING OIL AT A RELATIVE LOW PRESSURE TO THE BEARING SURFACES S OF SAID SHOES TO CREATE A HYDRODYNAMIC OIL FILM BETWEEN SAID JOURNAL AND SAID BEARING SHOES WHEN THE JOURNAL IS IN MOTION IN THE BEARING; MEANS TO SELECT THE HIGH OR LOW PRESSURE OIL SUPPLY; INDIVIDUALLY ADJUSTABLE SUPPORTING MEANS FOR SUPPORTING EACH BEARING SHOE IN ENGAGEMENT WITH SAID JOURNAL, SAID SUPPORTING MEANS INCLUDING A UNIVERSAL MOUNTING FOR SAID BEARING SHOE; AND MEANS FOR RETRACTING AN INDIVIDUAL SUPPORTING MEANS TO PERMIT THE ASSOCIATED SHOE TO DISENGAGE FROM SAID JOURNAL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |