US3251118A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a segmented cage for roller or needle bearings
Assignee: Timken France SAS
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Filing: 1965-05-25
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Granted: 1966-05-17
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Expires: 1985-05-25
Abstract
No abstract record available.
Inventors
- 👤 Pitner Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:21
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/46; F16C33/467; F16C33/4676; F16C19/00; F16C19/22; F16C19/44; F16C19/46; F16C33/51; F16C33/513; F16C33/516; F16C33/54; F16C33/542; F16C33/543; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/496; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/49691
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
METHOD OF PRODUCING A PART-CYLINDRICAL SEGMENT OF A CAGE FOR THE ROLLING ELEMENTS OF A BEARING, CONSISTING OF THE STEPS OF TAKING A STRIP OF MATERIAL HAVING A LENGTH WHICH IS SUCH THAT THE SUBSEQUENTILY PRODUCED PART-CYLINDRICAL SEGMENT SUBTENDS AN ANGLE OF NO MORE THAN 180* AT THE CENTER OF CURVATURE OF THE SEGMENT, PIERCING A ROW OF SPACED APERTURES IN THE STRIP OF MATERIAL SO AS TO FORM BETWEEN THE APERTURES BARS HAVING A RECTANGULAR CROSS-SECTIONAL SHAPE IN A PLANE CONTAINING SAID ROW OF APERTURES, SAID ROW EXTENDING LONGITUDINALLY OF THE STRIP AND THE BARES EXTENDING LONGITUDINALLY OF THE STRIP AND BENDING THE STRIP SO THAT IT ASSUMES THE SHAPE OF A PORTION OF A CYLINDER HAVING AN AXIS PARALLEL TO SAID BARS, WHEREBY THE ADJACENT FLANKS OF BARS DEFINING THE SAME APERTURE TAPER INWARDLY OF SAID CYLINDER, THE WIDTH BETWEEN ADJACENT FLANKS DEFINING THE SAME APERTURE, MEASURED LONGITUDINALLY OF SAID STRIP ON HE CONCAVE SIDE OF THE STRIP, BEING LESS THAN THE WIDTH OF THE ROLLING ELEMENTS TO SUCH EXTENT THAT WHEN THE ROLLING ELEMENTS RADIALLY ABUT SAID FLANKS THEY PROTRUDE FROM THE OUTER CONVEX SIDE OF THE STRIP.
Claim 2
Dependent Claim
191 words
METHOD OF PRODUCING A PART-CYLINDRICAL SEGMENT OF A CAGE FOR THE ROLLING ELEMENTS OF A BEARING, CONSISTING OF THE STEPS OF TAKING A STRIP OF MATERIAL HAVING A LENGTH WHICH IS SUCH THAT THE SUBSEQUENTILY PRODUCED PART-CYLINDRICAL SEGMENT SUBTENDS AN ANGLE OF NO MORE THAN 180* AT THE CENTER OF CURVATURE OF THE SEGMENT, PIERCING A ROW OF SPACED APERTURES IN THE STRIP OF MATERIAL SO AS TO FORM BETWEEN THE APERTURES BARS HAVING A RECTANGULAR CROSS-SECTIONAL SHAPE IN A PLANE CONTAINING SAID ROW OF APERTURES, SAID ROW EXTENDING LONGITUDINALLY OF THE STRIP AND THE BARES EXTENDING LONGITUDINALLY OF THE STRIP AND BENDING THE STRIP SO THAT IT ASSUMES THE SHAPE OF A PORTION OF A CYLINDER HAVING AN AXIS PARALLEL TO SAID BARS, WHEREBY THE ADJACENT FLANKS OF BARS DEFINING THE SAME APERTURE TAPER INWARDLY OF SAID CYLINDER, THE WIDTH BETWEEN ADJACENT FLANKS DEFINING THE SAME APERTURE, MEASURED LONGITUDINALLY OF SAID STRIP ON HE CONCAVE SIDE OF THE STRIP, BEING LESS THAN THE WIDTH OF THE ROLLING ELEMENTS TO SUCH EXTENT THAT WHEN THE ROLLING ELEMENTS RADIALLY ABUT SAID FLANKS THEY PROTRUDE FROM THE OUTER CONVEX SIDE OF THE STRIP.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |