US3332728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hardened racewire ball bearing
Assignee: Raymond Corp
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Filing: 1964-10-19
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Granted: 1967-07-25
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Expires: 1984-10-19
Abstract
No abstract record available.
Inventors
- 👤 Christian D Gibson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:54
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/02; F16C19/14; F16C19/16; F16C19/163; F16C19/166; F16C33/00; F16C33/30; F16C33/58; F16C33/60; F16C33/61; F16C2300/00; F16C2300/10; F16C2300/14; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/49689; Y10T29/49703
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
303 words
A BALL BEARING ASSEMBLY, COMPRISING, IN COMBINATION: AN INNER SUPPORTING MEMBER HAVING A FIRST CIRCUMFERENTIAL EXTERNAL SURFACE; AN OUTER SUPPORTING MEMBER HAVING A SECOND CIRCUMFERENTIAL INTERNAL SURFACE, SAID INNER SUPPORTING MEMBER BEING ROTATABLE ABOUT AN AXIS RELATIVE TO SAID OUTER SUPPORTING MEMBER AND SAID FIRST AND SECOND CIRCUMFERENTIAL SURFACE BEING CONCENTRICALLY DISPOSED ABOUT SAID AXIS, THE CROSS-SECTIONS OF EACH OF SAID SURFACES HAVING FIRST AND SECOND FLAT PORTIONS; FIRST AND SECOND HARDENED RACE-WIRES HAVING SEATS ARCUATE IN CROSS SECTION ALONG SUBSTANTIALLY ALL OF THEIR LENGTHS MOUNTED ON SAID INNER SUPPORTING MEMBER, SAID FIRST AND SECOND RACE WIRES EACH HAVING AT LEAST ONE FLAT SURFACE, SAID FLAT SURFACES OF SAID FIRST AND SECOND RACE WIRES BEING DISPOSED RESPECTIVELY AGAINST SAID FIRST AND SECOND FLAT PORTIONS OF THE CROSS-SECTIONS OF SAID FIRST SURFACE; THIRD AND FOURTH HARDENED RACE WIRES HAVING SEATS ARCUATE IN CROSSSECTION ALONG SUBSTANTIALLY ALL OF THEIR LENGTHS MOUNTED ON SAID OUTER SUPPORTING MEMBER, SAID THIRD AND FOURTH RACE WIRES EACH HAVING AT LEAST ONE FLAT SURFACE, SAID FLAT SURFACES OF SAID THIRD AND FOURTH RACE WIRES BEING DISPOSED RESPECTIVELY AGAINST SAID FIRST AND SECOND FLAT PORTIONS OF THE CROSS-SECTIOIN OF SAID SECOND SURFACE; AND A PLURALITY OF BALLS SPACED BETWEEN SAID RACE WIRES WITH SAID ARCUATE SEATS OF SAID RACE WIRES ENGAGING SAID BALLS, THE ANGULAR DISTANCE MEASURED AROUND EACH OF SAID BALLS FROM THE CENTER OF THE CROSS-SECTION OF SAID ARCUATE SEAT OF SAID FIRST RACE WIRE TO THE CENTER OF THE CROSS-SECTON OF SAID ARCUATE SEAT OF SAID SECOND RACE WIRE BEING GREATER THAN THE ANGULAR DISTANCE MEASURED AROUND EACH OF SAID BALLS FROM THE CENTER OF THE CROSS-SECTION OF SAID ARCUATE SEAT OF SAID FIRST RACE WIRE TO THE CENTER OF THE CROSS-SECTION OF SAID ARCUATE SEAT OF SAID THIRD RACE WIRE LOCATED ADJACENT TO SAID FIRST RACE WIRE.
Claim 2
Dependent Claim
303 words
A BALL BEARING ASSEMBLY, COMPRISING, IN COMBINATION: AN INNER SUPPORTING MEMBER HAVING A FIRST CIRCUMFERENTIAL EXTERNAL SURFACE; AN OUTER SUPPORTING MEMBER HAVING A SECOND CIRCUMFERENTIAL INTERNAL SURFACE, SAID INNER SUPPORTING MEMBER BEING ROTATABLE ABOUT AN AXIS RELATIVE TO SAID OUTER SUPPORTING MEMBER AND SAID FIRST AND SECOND CIRCUMFERENTIAL SURFACE BEING CONCENTRICALLY DISPOSED ABOUT SAID AXIS, THE CROSS-SECTIONS OF EACH OF SAID SURFACES HAVING FIRST AND SECOND FLAT PORTIONS; FIRST AND SECOND HARDENED RACE-WIRES HAVING SEATS ARCUATE IN CROSS SECTION ALONG SUBSTANTIALLY ALL OF THEIR LENGTHS MOUNTED ON SAID INNER SUPPORTING MEMBER, SAID FIRST AND SECOND RACE WIRES EACH HAVING AT LEAST ONE FLAT SURFACE, SAID FLAT SURFACES OF SAID FIRST AND SECOND RACE WIRES BEING DISPOSED RESPECTIVELY AGAINST SAID FIRST AND SECOND FLAT PORTIONS OF THE CROSS-SECTIONS OF SAID FIRST SURFACE; THIRD AND FOURTH HARDENED RACE WIRES HAVING SEATS ARCUATE IN CROSSSECTION ALONG SUBSTANTIALLY ALL OF THEIR LENGTHS MOUNTED ON SAID OUTER SUPPORTING MEMBER, SAID THIRD AND FOURTH RACE WIRES EACH HAVING AT LEAST ONE FLAT SURFACE, SAID FLAT SURFACES OF SAID THIRD AND FOURTH RACE WIRES BEING DISPOSED RESPECTIVELY AGAINST SAID FIRST AND SECOND FLAT PORTIONS OF THE CROSS-SECTIOIN OF SAID SECOND SURFACE; AND A PLURALITY OF BALLS SPACED BETWEEN SAID RACE WIRES WITH SAID ARCUATE SEATS OF SAID RACE WIRES ENGAGING SAID BALLS, THE ANGULAR DISTANCE MEASURED AROUND EACH OF SAID BALLS FROM THE CENTER OF THE CROSS-SECTION OF SAID ARCUATE SEAT OF SAID FIRST RACE WIRE TO THE CENTER OF THE CROSS-SECTON OF SAID ARCUATE SEAT OF SAID SECOND RACE WIRE BEING GREATER THAN THE ANGULAR DISTANCE MEASURED AROUND EACH OF SAID BALLS FROM THE CENTER OF THE CROSS-SECTION OF SAID ARCUATE SEAT OF SAID FIRST RACE WIRE TO THE CENTER OF THE CROSS-SECTION OF SAID ARCUATE SEAT OF SAID THIRD RACE WIRE LOCATED ADJACENT TO SAID FIRST RACE WIRE.
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |