US3351398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination roller and ball radial bearing
Assignee: Avco Corp
•
Filing: 1965-09-01
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Granted: 1967-11-07
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Expires: 1985-09-01
Abstract
No abstract record available.
Inventors
- 👤 Jerald L Park
- 👤 Normand L Lagasse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:46
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/58; F16C33/60; F16C19/00; F16C19/22; F16C19/24; F16C19/26; F16C25/00; F16C25/06; F16C25/08; F16C25/083; F16C33/34; F16C33/36; F16C2240/00; F16C2240/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A BEARING HAVING INNER AND OUTER COAXIAL RACES, ONE OF SAID RACES BEING A CYLINDRICAL ROLLER BEARING-TYPE RACE, THE OTHER BEING A SPLIT TOROIDAL BALL BEARING-TYPE RACE; A PLURALITY OF ANTIFRICTION ELEMENTS ROTATING BETWEEN SAID RACES, SAID ANTIFRICTION ELEMENTS HAVING A CYLINDRICAL SURFACE THE ENDS OF WHICH TERMINATE IN SPHERICAL SURFACES, EACH OF SAID SPHERICAL SURFACES HAVING ITS CENTER LOCATED ON THE AXIS OF SAID CYLINDRICAL SURFACE, SAID CYLINDRICAL SURFACE BEING IN CONTACT WITH SAID ROLLER BEARING-TYPE RACE, AND SAID SPHERICAL SURFACES BEING IN CONTACT WITH AND SUPPORTED BETWEEN SAID SPLIT BALL BEARING-TYPE RACE; AND MEANS FOR AXIALLY PRELOADING SAID ELEMENT BETWEEN THE SURFACES OF SAID SPLIT RACE.
Claim 2
Dependent Claim
108 words
A BEARING HAVING INNER AND OUTER COAXIAL RACES, ONE OF SAID RACES BEING A CYLINDRICAL ROLLER BEARING-TYPE RACE, THE OTHER BEING A SPLIT TOROIDAL BALL BEARING-TYPE RACE; A PLURALITY OF ANTIFRICTION ELEMENTS ROTATING BETWEEN SAID RACES, SAID ANTIFRICTION ELEMENTS HAVING A CYLINDRICAL SURFACE THE ENDS OF WHICH TERMINATE IN SPHERICAL SURFACES, EACH OF SAID SPHERICAL SURFACES HAVING ITS CENTER LOCATED ON THE AXIS OF SAID CYLINDRICAL SURFACE, SAID CYLINDRICAL SURFACE BEING IN CONTACT WITH SAID ROLLER BEARING-TYPE RACE, AND SAID SPHERICAL SURFACES BEING IN CONTACT WITH AND SUPPORTED BETWEEN SAID SPLIT BALL BEARING-TYPE RACE; AND MEANS FOR AXIALLY PRELOADING SAID ELEMENT BETWEEN THE SURFACES OF SAID SPLIT RACE.
References Cited (Backward Citations)
US1143479A
Cited
US1226782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |