US3295898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing cartridge and sealing unit for a pump shaft
Assignee: WEIL PUMP Co
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Filing: 1964-10-01
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Granted: 1967-01-03
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Expires: 1984-10-01
Abstract
No abstract record available.
Inventors
- 👤 Finzel Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:59
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F04; F04D; F04D29/00; F04D29/08; F04D29/10; F04D29/12; F04D29/126
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
IN COMBINATION WITH A PUMP HOUSING AND A SHAFT EXTENDING LONGITUDINALLY THERETHROUGH, (A) SEALING MEANS PROVIDED BY SAID HOUSING FOR OPPOSITE END PORTIONS OF THE SHAFT, (B) EACH OF SAID SEALING MEANS INCLUDING A REMOVABLE FACE PLATE CONNECTED TO THE HOUSING, (C) SAID PUMP HOUSING HAVING OPPOSITELY DISPOSED SUPPORTING ARMS SPACED FROM SAID SEALING MEANS, (D) SAID ARMS EACH PROVIDING AN OPENING, (E) IDENTICAL BEARING CARTRIDGES MOUNTED IN THE OPENINGS OF SAID ARMS, (F) EACH OF SAID BEARING CARTRIDGES INCLUDING AN INNER RACE SLIP-FITTED TO SAID SHAFT FOR HAND REMOVAL THEREFROM AND A LOCKING RING ECCENTRICALLY ENGAGING SAID RACE FOR REMOVABLY SECURING THE CARTRIDGE UPON SAID SHAFT, (G) THE DIAMETER OF SAID FACE PLATE OF SAID SEALING MEANS BEING LESS THAN THE DIAMETER OF THE OPENING OF SAID ARM TO PERMIT SAID SEALING MEANS, WHEN SAID FACE PLATE IS DETACHED FROM SAID PUMP HOUSING, TO PASS FREELY THROUGH SAID OPENING OF SAID ARM UPON REMOVAL OF SAID CARTRIDGE FROM SAID SHAFT.
Claim 2
Dependent Claim
161 words
IN COMBINATION WITH A PUMP HOUSING AND A SHAFT EXTENDING LONGITUDINALLY THERETHROUGH, (A) SEALING MEANS PROVIDED BY SAID HOUSING FOR OPPOSITE END PORTIONS OF THE SHAFT, (B) EACH OF SAID SEALING MEANS INCLUDING A REMOVABLE FACE PLATE CONNECTED TO THE HOUSING, (C) SAID PUMP HOUSING HAVING OPPOSITELY DISPOSED SUPPORTING ARMS SPACED FROM SAID SEALING MEANS, (D) SAID ARMS EACH PROVIDING AN OPENING, (E) IDENTICAL BEARING CARTRIDGES MOUNTED IN THE OPENINGS OF SAID ARMS, (F) EACH OF SAID BEARING CARTRIDGES INCLUDING AN INNER RACE SLIP-FITTED TO SAID SHAFT FOR HAND REMOVAL THEREFROM AND A LOCKING RING ECCENTRICALLY ENGAGING SAID RACE FOR REMOVABLY SECURING THE CARTRIDGE UPON SAID SHAFT, (G) THE DIAMETER OF SAID FACE PLATE OF SAID SEALING MEANS BEING LESS THAN THE DIAMETER OF THE OPENING OF SAID ARM TO PERMIT SAID SEALING MEANS, WHEN SAID FACE PLATE IS DETACHED FROM SAID PUMP HOUSING, TO PASS FREELY THROUGH SAID OPENING OF SAID ARM UPON REMOVAL OF SAID CARTRIDGE FROM SAID SHAFT.
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |