US3179477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-aligning spherical bearing assembly and method of assembling same
Assignee: MINIATURE PRECISION BEARINGS Inc
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Filing: 1961-06-30
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Granted: 1965-04-20
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Expires: 1981-06-30
Abstract
No abstract record available.
Inventors
- 👤 Richard O Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:13
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0614; F16C11/0685; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49648; Y10T29/49657; Y10T29/49663; Y10T29/49698; Y10T29/49789; Y10T29/4979
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A SPHERICAL BEARING ASSEMBLY COMPRISING: (A) AN INTEGRAL OUTER, HARDENED, STEEL SPHERICAL RACE MEMBER FRACTURED AT ONE POINT TO PROVIDE NORMALLY ABUTTING ENDS AND HARDENED TO APPROXIMATELY 60RC, AND (B) AN INNER BARREL-SHAPED SPHERICAL BEARING MEMBER DISPOSED WITHIN SAID OUTER RACE MEMBER IN FRICTIONAL ENGAGEMENT WITH THE INNER SURFACE THEREON AND COMPRISING A LUBRICANT IMPREGNATED SINTERED METAL HAVING A YIELD POINT SMALLER THAN THAT OF THE OUTER RACE MEMBER.
Claim 2
Dependent Claim
69 words
A SPHERICAL BEARING ASSEMBLY COMPRISING: (A) AN INTEGRAL OUTER, HARDENED, STEEL SPHERICAL RACE MEMBER FRACTURED AT ONE POINT TO PROVIDE NORMALLY ABUTTING ENDS AND HARDENED TO APPROXIMATELY 60RC, AND (B) AN INNER BARREL-SHAPED SPHERICAL BEARING MEMBER DISPOSED WITHIN SAID OUTER RACE MEMBER IN FRICTIONAL ENGAGEMENT WITH THE INNER SURFACE THEREON AND COMPRISING A LUBRICANT IMPREGNATED SINTERED METAL HAVING A YIELD POINT SMALLER THAN THAT OF THE OUTER RACE MEMBER.
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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) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |