Patent US3027626A successfully refreshed from Google Patents.
US3027626A
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Method of making a sintered polyamide resin ball bearing retainer
Assignee: Schaeffler Aerospace USA Corp
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Filing: 1958-07-09
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Granted: 1962-04-03
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Expires: 1978-07-09
Abstract
No abstract record available.
Inventors
- 👤 John J Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:23
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/38; F16C33/44; F16C33/3837; F16C33/3843; F16C33/3856; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C2208/00; F16C2208/20; F16C2208/60; F16C2220/00; F16C2220/20; Y; Y10; Y10S; Y10S264/00; Y10S264/61; Y10S384/00; Y10S384/90; Y10S384/902; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/49691; Y10T29/4971
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A METHOD OF MAKING A BALL BEARING RETAINER INCLUDING THE STEPS OF BORING POROUS, SINSTERED POLYAMIDE RESIN TO FORM A TUBE HAVING AN INTERNAL DIAMETER CORRESPONDING TO THE INTERNAL DIAMETER OF THE DESIRED BALL BEARING RETAINER, MACHINING THE EXTERIOR OF SAID TUBE TO THE EXTERIOR DIAMETER OF THE DESIRED BALL BEARING RETAINER TO FORM A BUSHING, CUTTING THE BUSHING THUS FORMED TO FORM A BLANK RING HAVING A WIDTH EQUAL TO THE DESIRED BALL BEARING RETAINER, BORING HOLES IN WHICH THE BALLS TO BE RETAINED ARE ADAPTED TO SEAT SYMMETRICALLY ABOUT THE RING AND THEN IMPREGNATING THE POROUS MATERIAL OF THE RING WITH A LUBRICATING OIL.
Claim 2
Independent Claim
106 words
A METHOD OF MAKING A BALL BEARING RETAINER INCLUDING THE STEPS OF BORING POROUS, SINSTERED POLYAMIDE RESIN TO FORM A TUBE HAVING AN INTERNAL DIAMETER CORRESPONDING TO THE INTERNAL DIAMETER OF THE DESIRED BALL BEARING RETAINER, MACHINING THE EXTERIOR OF SAID TUBE TO THE EXTERIOR DIAMETER OF THE DESIRED BALL BEARING RETAINER TO FORM A BUSHING, CUTTING THE BUSHING THUS FORMED TO FORM A BLANK RING HAVING A WIDTH EQUAL TO THE DESIRED BALL BEARING RETAINER, BORING HOLES IN WHICH THE BALLS TO BE RETAINED ARE ADAPTED TO SEAT SYMMETRICALLY ABOUT THE RING AND THEN IMPREGNATING THE POROUS MATERIAL OF THE RING WITH A LUBRICATING OIL.
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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) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |