US3147745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fulcrum adjuster
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1962-09-24
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Granted: 1964-09-08
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Expires: 1982-09-24
Abstract
No abstract record available.
Inventors
- 👤 Charles R Kilgore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:37
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/20; F01L1/22; F01L1/24; F01L1/2405
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
134 words
A FULCRUM ADJUSTER COMPRISING A BARREL HAVING AN AXIAL PASSAGE EXTENDING THERETHROUGH, AN AXIALLY BORED POST EXTENDING THROUGH SAID AXIAL PASSAGE, A BUSHING DISPOSED BETWEEN SAID POST AND SAID BARREL, A SLEEVE CARRIED BY SAID BUSHING, SAID BUSHING HAVING A SHOULDER FOR LOCATING SAID SLEEVE THEREALONG, AN ANNULAR SEAL MEMBER DISPOSED ABOUT SAID SLEEVE IN ENGAGEMENT WITH SAID BARREL, SAID SLEEVE HAVING A PLURALITY OF AXIAL PASSAGES THEREIN AND BEING OF LESSER DIAMETER THAN THE INNER DIAMETER OF SAID BARREL, THEREBY PROVIDING AN OIL LEAKDOWN SPACE THEREALONG, A VALVE MEMBER ARRANGED TO CLOSE OFF SAID PASSAGES, A SPRING EXTENDING BETWEEN SAID SEAL AND SAID VALVE MEMBER, AND A WASHER ON THE END OF SAID BUSHING OPPOSITE FROM SAID SEAL MEMBER, SAID WASHER FITTING LOOSELY IN SAID BARREL TO PROVIDE AN AIR VENTING SPACE THEREFOR.
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |