Patent US3138942A successfully refreshed from Google Patents.
US3138942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal joint bearing seal
Assignee: Dana Inc
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Filing: 1963-01-21
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Granted: 1964-06-30
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Expires: 1983-01-21
Abstract
No abstract record available.
Inventors
- 👤 John A Kayser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:51
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/7803; F16C33/7809; F16C21/00; F16C21/005; F16D; F16D3/00; F16D3/16; F16D3/26; F16D3/38; F16D3/382; F16D3/385; F16D3/40; F16D3/41; F16C2361/00; F16C2361/41
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
SEALING MEANS FOR SEALING THE OPENING BETWEEN A TRUNNION AND THE OPEN END OF A NEEDLE BEARING CONTAINING BEARING RACE OF THE UNIVERSAL JOINT COMPRISING IN COMBINATION AN ANNULAR METALLIC ELEMENT HAVING A SUBSTANTIALLY CSHAPED CROSS SECTION THEREBY DEFINING A BASE PORTION AND A PAIR OF SPACED ANNULAR LIP PORTIONS EXTENDING RADIALLY OUTWARDLY THEREFROM, SAID METALLIC ELEMENT ENGAGING SAID TRUNNION AND HAVING BOTH LIP PORTIONS THEREOF EXTENDING RADIALLY OUTWARDLY BEYOND THE RADIALLY INWARD END OF SAID BEARING RACE AND SPACED THEREFROM, ONE OF SAID LIPS BEING POSITIONED INTERNALLY AND THE OTHER OF SAID LIPS BEING POSITIONED EXTERNALLY OF SAID BEARING RACE, AND RESILIENT ELASTOMERIC MATERIAL BONDED TO SAID METALLIC ELEMENT AND DISPOSED BETWEEN SAID ONE LIP PORTION AND THE INNER SURFACE OF SAID BEARING RACE AND BETWEEN SAID SECOND LIP PORTION AND THE PERIPHERY OF SAID BEARING RACE, SAID LIP PORTIONS PRESSING SAID RESILIENT ELASTOMERIC MATERIAL AGAINST SAID BEARING RACE, WHEREBY SAID OPENING IS EFFECTIVELY SEALED.
Claim 2
Dependent Claim
156 words
SEALING MEANS FOR SEALING THE OPENING BETWEEN A TRUNNION AND THE OPEN END OF A NEEDLE BEARING CONTAINING BEARING RACE OF THE UNIVERSAL JOINT COMPRISING IN COMBINATION AN ANNULAR METALLIC ELEMENT HAVING A SUBSTANTIALLY CSHAPED CROSS SECTION THEREBY DEFINING A BASE PORTION AND A PAIR OF SPACED ANNULAR LIP PORTIONS EXTENDING RADIALLY OUTWARDLY THEREFROM, SAID METALLIC ELEMENT ENGAGING SAID TRUNNION AND HAVING BOTH LIP PORTIONS THEREOF EXTENDING RADIALLY OUTWARDLY BEYOND THE RADIALLY INWARD END OF SAID BEARING RACE AND SPACED THEREFROM, ONE OF SAID LIPS BEING POSITIONED INTERNALLY AND THE OTHER OF SAID LIPS BEING POSITIONED EXTERNALLY OF SAID BEARING RACE, AND RESILIENT ELASTOMERIC MATERIAL BONDED TO SAID METALLIC ELEMENT AND DISPOSED BETWEEN SAID ONE LIP PORTION AND THE INNER SURFACE OF SAID BEARING RACE AND BETWEEN SAID SECOND LIP PORTION AND THE PERIPHERY OF SAID BEARING RACE, SAID LIP PORTIONS PRESSING SAID RESILIENT ELASTOMERIC MATERIAL AGAINST SAID BEARING RACE, WHEREBY SAID OPENING IS EFFECTIVELY SEALED.
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) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |