Patent US3199935A successfully refreshed from Google Patents.
US3199935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Segmented cage for roller or needle bearings
Assignee: Roulements a Aiguilles SA
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Filing: 1962-06-04
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Granted: 1965-08-10
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Expires: 1982-06-04
Abstract
No abstract record available.
Inventors
- 👤 Alfred O Pitner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:58
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/46; F16C33/51; F16C33/513; F16C33/516; F16C19/00; F16C19/22; F16C19/44; F16C19/46; F16C33/467; F16C33/4676; F16C33/54; F16C33/542; F16C33/543; F16C2300/00; F16C2300/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
209 words
IN A RADIAL ROLLING BEARING HAVING AN OUTER BEARING MEMBER AND A COAXIAL INNER BERING MEMBER, THE COMBINATION COMPRISING A SERIES OF SUBSTANTIALLY CYLINDRICAL ROLLING ELEMENTS INTERPOSED BETWEEN SAID BEARING MEMBERS ON A PITCH CIRCLE COAXIAL WITH SAID BEARING MEMBERS, AND A FLOATING SOLID SEGMENTED CAGE FOR THE FOLLING ELEMENTS, THE CAGE COMPRISING A PLURALITY OF PART-CYLINDRICAL CAGE SEGMENTS, EACH SEGMENT HAVING CROSSBARS DEFINING APERTURES THEREBETWEEN, SAID CROSSBARS EACH HAVING OPPOSITE ENDS, CIRCUMFERENTIALLY EXTENDING END RIM PORTIONS CONNECTING THE ENDS OF THE ADJACENT CROSSBARS, THE CROSSBARS HAVING LATERAL PORTIONS EXTENDING INWARDLY FROM SAID PITCH CIRCLE AND INWARDLY CONVERGING TO OFFER A MINIMUM CHORDAL DISTANCE THEREBETWEEN WHICH IS LESS THAN THE DIAMETER OF THE ROLLING ELEMENTS, THE CROSSBARS AND RIM PORTIONS OF EACH SEGMENT CONSTITUTING A SINGLE INTEGRAL MEMBER, SAID LATERAL PORTIONS HAVING A PLANE PART EXTENDING IN THE REGION OF SAID PITCH CIRCLE, SAID CHORDAL DISTANCE AND SAID CONVERGENCE OF SAID LATERAL PORTIONS AND THE DIAMETER OF THE ROLLING ELEMENTS ALL BEING SUCH THAT THE ROLLING ELEMENTS RADIALLY PROJECT FROM THE CAGE SEGMENTS WHEN THE ROLLING ELEMENTS RIDIALLY AND INWARDLY ABUT THE CONVERGING LATERAL PORTIONS, WHEREBY THE ROLLING ELEMENTS HOLD THE CAGE SEGMENTS AWAY FROM THE OUTER BEARING MEMBER IN BEARING OPERATION NOTWITHSTANDING CENTRIFUGAL FORCE ACTING ON THE SEGMENTS.
Claim 2
Dependent Claim
209 words
IN A RADIAL ROLLING BEARING HAVING AN OUTER BEARING MEMBER AND A COAXIAL INNER BERING MEMBER, THE COMBINATION COMPRISING A SERIES OF SUBSTANTIALLY CYLINDRICAL ROLLING ELEMENTS INTERPOSED BETWEEN SAID BEARING MEMBERS ON A PITCH CIRCLE COAXIAL WITH SAID BEARING MEMBERS, AND A FLOATING SOLID SEGMENTED CAGE FOR THE FOLLING ELEMENTS, THE CAGE COMPRISING A PLURALITY OF PART-CYLINDRICAL CAGE SEGMENTS, EACH SEGMENT HAVING CROSSBARS DEFINING APERTURES THEREBETWEEN, SAID CROSSBARS EACH HAVING OPPOSITE ENDS, CIRCUMFERENTIALLY EXTENDING END RIM PORTIONS CONNECTING THE ENDS OF THE ADJACENT CROSSBARS, THE CROSSBARS HAVING LATERAL PORTIONS EXTENDING INWARDLY FROM SAID PITCH CIRCLE AND INWARDLY CONVERGING TO OFFER A MINIMUM CHORDAL DISTANCE THEREBETWEEN WHICH IS LESS THAN THE DIAMETER OF THE ROLLING ELEMENTS, THE CROSSBARS AND RIM PORTIONS OF EACH SEGMENT CONSTITUTING A SINGLE INTEGRAL MEMBER, SAID LATERAL PORTIONS HAVING A PLANE PART EXTENDING IN THE REGION OF SAID PITCH CIRCLE, SAID CHORDAL DISTANCE AND SAID CONVERGENCE OF SAID LATERAL PORTIONS AND THE DIAMETER OF THE ROLLING ELEMENTS ALL BEING SUCH THAT THE ROLLING ELEMENTS RADIALLY PROJECT FROM THE CAGE SEGMENTS WHEN THE ROLLING ELEMENTS RIDIALLY AND INWARDLY ABUT THE CONVERGING LATERAL PORTIONS, WHEREBY THE ROLLING ELEMENTS HOLD THE CAGE SEGMENTS AWAY FROM THE OUTER BEARING MEMBER IN BEARING OPERATION NOTWITHSTANDING CENTRIFUGAL FORCE ACTING ON THE SEGMENTS.
References Cited (Backward Citations)
US725763A
Cited
US1438472A
Cited
FR627595A
Cited
US2044663A
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US2696411A
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US2711938A
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US2881036A
Cited
US2848791A
Cited
FR1115337A
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US2969267A
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US2998635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |