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US3089221A
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Method for making ball bearing
Assignee: Textron Systems Corp
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Filing: 1959-04-16
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Granted: 1963-05-14
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Expires: 1979-04-16
Abstract
No abstract record available.
Inventors
- 👤 Irwin R Barr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:15
CPC Classifications
F; F16; F16C; F16C13/00; F16C13/02; F16C33/00; F16C33/30; F16C33/58; F16C33/62; F16C43/00; F16C43/04; F16C43/06; F16C43/08; F16C2240/00; F16C2240/40; F16C2240/70; F16C2240/80; F16C2240/82; F16C2240/84; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/49682; Y10T29/49684; Y10T29/4971; Y10T29/49826; Y10T29/4984; Y10T29/49844; Y10T29/49863; Y10T29/49876; Y10T29/53; Y10T29/53104
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A METHOD FOR MAKING A BEARING ASSEMBLY WHICH INCLUDES (1) A SLEEVE HAVING A BORE THEREIN THAT IS RELATIVELY RESISTANT TO RADIAL ENLARGEMENT, AND (2) A BEARING HAVING AN OUTER RING OF SUBSTANTIALLY THE SAME DIAMETER AS SAID BORE CONCENTRICALLY ARRANGED ABOUT AN INNER RING, CONCENTRIC FACING GROOVE MEANS IN EACH RING FOR FORMING A TOROIDAL RACEWAY OF UNIFORM CROSS-SECTION, AND ANTI-FRICTION ELEMENTS OF SUBSTANTIALLY THE SAME CROSSSECTION AS SAID RACEWAY ENGAGED THEREIN FOR EFFECTING RELATIVE ROTATION BETWEEN THE RINGS, COMPRISING THE STEPS OF: FORMING SAID OUTER RING OF PLASTIC MATERIAL CAPABLE OF SUBSTANTIAL DEFORMATION WITHIN THE ELASTIC LIMIT SO THAT IT IS SUBSTANTIALLY EASIER TO RADIALLY ENLARGE SAID OUTER
Claim 2
Independent Claim
110 words
A METHOD FOR MAKING A BEARING ASSEMBLY WHICH INCLUDES (1) A SLEEVE HAVING A BORE THEREIN THAT IS RELATIVELY RESISTANT TO RADIAL ENLARGEMENT, AND (2) A BEARING HAVING AN OUTER RING OF SUBSTANTIALLY THE SAME DIAMETER AS SAID BORE CONCENTRICALLY ARRANGED ABOUT AN INNER RING, CONCENTRIC FACING GROOVE MEANS IN EACH RING FOR FORMING A TOROIDAL RACEWAY OF UNIFORM CROSS-SECTION, AND ANTI-FRICTION ELEMENTS OF SUBSTANTIALLY THE SAME CROSSSECTION AS SAID RACEWAY ENGAGED THEREIN FOR EFFECTING RELATIVE ROTATION BETWEEN THE RINGS, COMPRISING THE STEPS OF: FORMING SAID OUTER RING OF PLASTIC MATERIAL CAPABLE OF SUBSTANTIAL DEFORMATION WITHIN THE ELASTIC LIMIT SO THAT IT IS SUBSTANTIALLY EASIER TO RADIALLY ENLARGE SAID OUTER
References Cited (Backward Citations)
US1080169A
Cited
US941632A
Cited
US1071317A
Cited
US1153066A
Cited
US1419519A
Cited
US2033771A
Cited
US2534929A
Cited
US2529863A
Cited
US2624907A
Cited
US2670885A
Cited
US2609256A
Cited
US2783528A
Cited
GB730426A
Cited
FR1087118A
Cited
US2757054A
Cited
US2805107A
Cited
US2928701A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |