US3129985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seals for ball and roller bearings
Assignee: POILARD BEARINGS Ltd
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Filing: 1962-10-18
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Granted: 1964-04-21
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Expires: 1982-10-18
Abstract
No abstract record available.
Inventors
- 👤 William L Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:15
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/784; F16C33/7859; F16C33/7863; F16C33/7866; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C23/00; F16C23/06; F16C23/08; F16C23/082; F16C23/084; F16C2300/00; F16C2300/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
IN COMBINATION WITH A BEARING HAVING AN INNER AND AN OUTER RACE BETWEEN WHICH ROLLING ELEMENTS ARE LOCATED, A SEAL FOR RETAINING PRE-PACKED LUBRICANT IN SAID BEARING BETWEEN THE INNER RACE AND THE OUTER RACE COMPRISING AN ANNULAR SEALING MEDIUM OF LABYRINTH FORM WHICH CONTACTS SAID INNER RACE AND IS LOCATED AXIALLY INWARDLY OF SAID OUTER RACE, A FIBROUS WASHER OF SUBSTANTIALLY THE SAME DIAMETER AS THAT OF SAID SEALING MEDIUM AND LOCATED AXIALLY OUTWARDLY THEREOF, AND AN OUTER COVER RING WHICH IS SECURED TO ONE OF SAID RACES AND PRESSES SAID WASHER AGAINST SAID SEALING MEDIUM, THEREBY FORMING A UNITARY STRUCTURE OF SEAL AND RING WITH THE BEARING.
Claim 2
Dependent Claim
109 words
IN COMBINATION WITH A BEARING HAVING AN INNER AND AN OUTER RACE BETWEEN WHICH ROLLING ELEMENTS ARE LOCATED, A SEAL FOR RETAINING PRE-PACKED LUBRICANT IN SAID BEARING BETWEEN THE INNER RACE AND THE OUTER RACE COMPRISING AN ANNULAR SEALING MEDIUM OF LABYRINTH FORM WHICH CONTACTS SAID INNER RACE AND IS LOCATED AXIALLY INWARDLY OF SAID OUTER RACE, A FIBROUS WASHER OF SUBSTANTIALLY THE SAME DIAMETER AS THAT OF SAID SEALING MEDIUM AND LOCATED AXIALLY OUTWARDLY THEREOF, AND AN OUTER COVER RING WHICH IS SECURED TO ONE OF SAID RACES AND PRESSES SAID WASHER AGAINST SAID SEALING MEDIUM, THEREBY FORMING A UNITARY STRUCTURE OF SEAL AND RING WITH THE BEARING.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |