US3261182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible coupling
Assignee: Zurn Industries LLC
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Filing: 1964-05-07
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Granted: 1966-07-19
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Expires: 1984-05-07
Abstract
No abstract record available.
Inventors
- 👤 Edward E Allen
- 👤 Jr Grant E Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:34
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/18; F16D3/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
A COUPLING COMPRISING A SLEEVE AND TWO SPACED HUBS, SAID SLEEVE HAVING A GENERALLY CYLINDRICAL BORE THEREIN WITH SPACED INTERNAL TEETH, A COUNTERBORE IN EACH END OF SAID SLEEVE DEFINED BY AN AXIALLY EXTENDING FLANGE ON EACH END OF SAID SLEEVE EACH SAID HUB HAVING EXTERNAL CROWNED TEETH THEREIN, SAID HUBS EACH HAVING A CYLINDRICAL PORTION AXIALLY OUTWARD OF SAID CROWNED TEETH, A GENERALLY H-SHAPED SEALING RING IN EACH SAID OCUNTERBORE AND RELATIVELY LOOSELY RECEIVED ON SAID CYLINDRICAL PARTS OF SAID HUBS, EACH SAID SEALING RING HAVING A GROOVE IN ITS OUTER PERIPHERY AND A GROOVE IN ITS INNER PERIPHERY, AN O-SHAPED SEALING WASHER IN EACH SAID GROOVE IN SAID SEALING RINGS, A GROOVE IN EACH SAID HUB IN SAID CYLINDRICAL PART THEREOF SPACED FROM SAID TEETH, A SNAP RING GENERALLY RECTANGULAR IN CROSS SECTION IN EACH SAID GROOVE IN SAID HUBS, SAID SNAP RINGS AND SAID EXTERNAL TEETH DEFINIG SPACES WITH SAID SEALING RINGS THEREBETWEEN, SAID O-SHAPED WASHERS MAKING SEALING ENGAGEMENT WITH TE OUTER PERIPHERAL SURFACE OF SAID CYLINDRICAL PORTIONS OF SAID HUBS AND WITH THE INNER PERIPHERY OF SAID FLANGES, AND MEANS FOR ATTACHING A SHAFT TO EACH SAID HUB.
Claim 2
Dependent Claim
192 words
A COUPLING COMPRISING A SLEEVE AND TWO SPACED HUBS, SAID SLEEVE HAVING A GENERALLY CYLINDRICAL BORE THEREIN WITH SPACED INTERNAL TEETH, A COUNTERBORE IN EACH END OF SAID SLEEVE DEFINED BY AN AXIALLY EXTENDING FLANGE ON EACH END OF SAID SLEEVE EACH SAID HUB HAVING EXTERNAL CROWNED TEETH THEREIN, SAID HUBS EACH HAVING A CYLINDRICAL PORTION AXIALLY OUTWARD OF SAID CROWNED TEETH, A GENERALLY H-SHAPED SEALING RING IN EACH SAID OCUNTERBORE AND RELATIVELY LOOSELY RECEIVED ON SAID CYLINDRICAL PARTS OF SAID HUBS, EACH SAID SEALING RING HAVING A GROOVE IN ITS OUTER PERIPHERY AND A GROOVE IN ITS INNER PERIPHERY, AN O-SHAPED SEALING WASHER IN EACH SAID GROOVE IN SAID SEALING RINGS, A GROOVE IN EACH SAID HUB IN SAID CYLINDRICAL PART THEREOF SPACED FROM SAID TEETH, A SNAP RING GENERALLY RECTANGULAR IN CROSS SECTION IN EACH SAID GROOVE IN SAID HUBS, SAID SNAP RINGS AND SAID EXTERNAL TEETH DEFINIG SPACES WITH SAID SEALING RINGS THEREBETWEEN, SAID O-SHAPED WASHERS MAKING SEALING ENGAGEMENT WITH TE OUTER PERIPHERAL SURFACE OF SAID CYLINDRICAL PORTIONS OF SAID HUBS AND WITH THE INNER PERIPHERY OF SAID FLANGES, AND MEANS FOR ATTACHING A SHAFT TO EACH SAID HUB.
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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |