Patent US3214224A successfully refreshed from Google Patents.
US3214224A
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Bearing assembly
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1963-04-17
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Granted: 1965-10-26
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Expires: 1983-04-17
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Lash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:10
CPC Classifications
F; F16; F16C; F16C35/00; F16C35/04; F16C35/06; F16C35/07; F16C35/077; F16C25/00; F16C25/06; F16C25/08; F16C25/083; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C19/54; F16C2380/00; F16C2380/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A BALL BEARING ASSEMBLY COMPRISING AN INNER RACE, AN OUTER RACE, A PLURALITY OF BALLS CONFINED BETWEEN SAID INNER AND OUTER RACES, A RETAINER RING ADAPTED TO ENGAGE IN A BEARING HOUSING AND HAVING ITS INNER PERIPHERY IN RADIALLY CONFRONTING RELATION TO THE OUTER PERIPHERY OF SAID OUTER RACE, SAID RETAINER RING HAVING A RADIALLY INWARDLY EXTENDING ANNULAR FLANGE PORTION CONFRONTING ONE END OF SAID OUTER RACE MEMBER, AND A THRUST SPRING EXTENDING BETWEEN SAID ANNULAR FLANGE PORTION OF SAID ONE END, THE RADIALLY CONFRONTING SURFACES OF SID RETAINER RING AND SAID OUTER RACE HAVING AT LEAST ONE EMPTY CIRCUMFERENTIAL GROOVE FORMED THEREIN OF SUFFICIENT RADIAL DEPTH AND EXTENT TO DISRUPT THE ESTABLISHMENT OF A CONTINUOUS LUBRICANT FILM BETWEEN SAID OUTER RACE AND SAID RETAINER
Claim 2
Dependent Claim
125 words
A BALL BEARING ASSEMBLY COMPRISING AN INNER RACE, AN OUTER RACE, A PLURALITY OF BALLS CONFINED BETWEEN SAID INNER AND OUTER RACES, A RETAINER RING ADAPTED TO ENGAGE IN A BEARING HOUSING AND HAVING ITS INNER PERIPHERY IN RADIALLY CONFRONTING RELATION TO THE OUTER PERIPHERY OF SAID OUTER RACE, SAID RETAINER RING HAVING A RADIALLY INWARDLY EXTENDING ANNULAR FLANGE PORTION CONFRONTING ONE END OF SAID OUTER RACE MEMBER, AND A THRUST SPRING EXTENDING BETWEEN SAID ANNULAR FLANGE PORTION OF SAID ONE END, THE RADIALLY CONFRONTING SURFACES OF SID RETAINER RING AND SAID OUTER RACE HAVING AT LEAST ONE EMPTY CIRCUMFERENTIAL GROOVE FORMED THEREIN OF SUFFICIENT RADIAL DEPTH AND EXTENT TO DISRUPT THE ESTABLISHMENT OF A CONTINUOUS LUBRICANT FILM BETWEEN SAID OUTER RACE AND SAID RETAINER
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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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |