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US3199935A Expired / Lapsed US ⏱️ 0.0 years remaining

Segmented cage for roller or needle bearings

Assignee: Roulements a Aiguilles SA
•
Filing: 1962-06-04
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Granted: 1965-08-10
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Expires: 1982-06-04
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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)

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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) 1968-08-09 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

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