US3304140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller bearings
Assignee: Cooper Roller Bearings Co Ltd
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Filing: 1964-12-02
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Granted: 1967-02-14
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Expires: 1984-12-02
Abstract
No abstract record available.
Inventors
- 👤 Charles W Hornigold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:11
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/22; F16C19/24; F16C19/26; F16C33/00; F16C33/30; F16C33/58; F16C33/60; F16C33/605; F16C2300/00; F16C2300/02; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7058
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A ROLLER BEARING COMPRISING AN INNER RACE SPLIT INTO TWO APPROXIMATELY SEMI-CIRCULAR PARTS, AN OUTER RACE SPLIT INTO TWO APPROXIMATELY SEMI-CIRCULAR PARTS, ROLLERS LOCATED RADIALLY BETWEEN THE RACES, A CAGE FOR LOCATING THE ROLLERS IN SPACED RELATIONSHIP CIRCUMFERENTIALLY OF THE RACES, AND ANNULAR CLAMPING RINGS SIMILARLY SPLIT INTO RING PARTS AND LOCATED ON EACH SIDE OF THE INNER RACE, SCREW MEANS FOR CLAMPING THE RING PARTS TOGETHER TIGHTLY ON THE INNER RACE, ABUTMENT PARTS OF THE RING PARTS, EXTENDING THROUGH THE CAGE INTO CONTACT WITH THE ROLLERS, ANNULAR GROOVES IN THE OUTER SURFACE OF THE INNER RACE RECEIVING THE INNER PERIPHERAL MARGINS OF THE CLAMPING RINGS, THE CLAMPING RINGS HAVING THEIR LARGEST AXIAL WIDTH AT THEIR INTERNAL PERIPHERIES AND EXTENDING INWARDLY (TOWARDS THE
Claim 2
Dependent Claim
123 words
A ROLLER BEARING COMPRISING AN INNER RACE SPLIT INTO TWO APPROXIMATELY SEMI-CIRCULAR PARTS, AN OUTER RACE SPLIT INTO TWO APPROXIMATELY SEMI-CIRCULAR PARTS, ROLLERS LOCATED RADIALLY BETWEEN THE RACES, A CAGE FOR LOCATING THE ROLLERS IN SPACED RELATIONSHIP CIRCUMFERENTIALLY OF THE RACES, AND ANNULAR CLAMPING RINGS SIMILARLY SPLIT INTO RING PARTS AND LOCATED ON EACH SIDE OF THE INNER RACE, SCREW MEANS FOR CLAMPING THE RING PARTS TOGETHER TIGHTLY ON THE INNER RACE, ABUTMENT PARTS OF THE RING PARTS, EXTENDING THROUGH THE CAGE INTO CONTACT WITH THE ROLLERS, ANNULAR GROOVES IN THE OUTER SURFACE OF THE INNER RACE RECEIVING THE INNER PERIPHERAL MARGINS OF THE CLAMPING RINGS, THE CLAMPING RINGS HAVING THEIR LARGEST AXIAL WIDTH AT THEIR INTERNAL PERIPHERIES AND EXTENDING INWARDLY (TOWARDS THE
References Cited (Backward Citations)
US3136363A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |