US3094335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rising ring seal
Assignee: Zurn Industries LLC
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Filing: 1959-10-08
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Granted: 1963-06-18
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Expires: 1979-10-08
Abstract
No abstract record available.
Inventors
- 👤 Robert H Shenk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:26
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/18; F16D3/185; F16D3/84; F16D3/843; F16D3/848; F16J; F16J15/00; F16J15/16; F16J15/32; Y; Y10; Y10S; Y10S277/00; Y10S277/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
IN COMBINATION, A HUB AND SLEEVE TYPE GEAR COUPLING COMPRISING AN EXTERNALLY TOOTHED HUB AND AN INTERNALLY TOOTHED SLEEVE, THE FLANGE ON SAID SLEEVE EXTENDING OUTWARDLY AND OVERLYING SAID HUB, A FLAT WASHER INSIDE SAID FLANGE AND HAVING A DIAMETER SLIGHTLY SMALLER THAN THE INTERNAL DIAMETER OF SAID FLANGE, A RETAINER BEING LSHAPED IN CROSS SECTION HAVING AN OUTER PERIPHERAL SURFACE, AN O-SHAPED SEALING WASHER ENGAGING SAID OUTER SURFACE OF SAID RETAINER, A GROOVE IN THE INTERNAL SURFACE OF SAID FLANGE RECEIVING SAID O-SHAPED WASHER, SNAP RINGS DISPOSED IN A GROOVE IN SAID FLANGE AND ENGAGING THE OUTER SURFACE OF SAID RETAINER, HOLDING SAID RETAINER AGAINST OUTWARD MOVEMENT, AND A RESILIENT WASHER HAVING AN INTERNAL GROOVE WITH THE INTERNAL SURFACE OF SAID RESILIENT WASHER ON EACH SIDE OF SAID GROOVE ENGAGING THE OUTER PERIPHERAL SURFACE OF SAID HUB, SAID RESILIENT WASHER BEING FRUSTO-CONICAL IN SHAPE AND OF LESSER OUTER DIAMETER ADJACENT SAID TEETH THAN AT THE EDGE REMOTE FROM SAID TEETH, AND THE OUTER SURFACE OF SAID WASHER ENGAGING THE LATERAL SURFACE OF SAID RETAINER.
Claim 2
Dependent Claim
175 words
IN COMBINATION, A HUB AND SLEEVE TYPE GEAR COUPLING COMPRISING AN EXTERNALLY TOOTHED HUB AND AN INTERNALLY TOOTHED SLEEVE, THE FLANGE ON SAID SLEEVE EXTENDING OUTWARDLY AND OVERLYING SAID HUB, A FLAT WASHER INSIDE SAID FLANGE AND HAVING A DIAMETER SLIGHTLY SMALLER THAN THE INTERNAL DIAMETER OF SAID FLANGE, A RETAINER BEING LSHAPED IN CROSS SECTION HAVING AN OUTER PERIPHERAL SURFACE, AN O-SHAPED SEALING WASHER ENGAGING SAID OUTER SURFACE OF SAID RETAINER, A GROOVE IN THE INTERNAL SURFACE OF SAID FLANGE RECEIVING SAID O-SHAPED WASHER, SNAP RINGS DISPOSED IN A GROOVE IN SAID FLANGE AND ENGAGING THE OUTER SURFACE OF SAID RETAINER, HOLDING SAID RETAINER AGAINST OUTWARD MOVEMENT, AND A RESILIENT WASHER HAVING AN INTERNAL GROOVE WITH THE INTERNAL SURFACE OF SAID RESILIENT WASHER ON EACH SIDE OF SAID GROOVE ENGAGING THE OUTER PERIPHERAL SURFACE OF SAID HUB, SAID RESILIENT WASHER BEING FRUSTO-CONICAL IN SHAPE AND OF LESSER OUTER DIAMETER ADJACENT SAID TEETH THAN AT THE EDGE REMOTE FROM SAID TEETH, AND THE OUTER SURFACE OF SAID WASHER ENGAGING THE LATERAL SURFACE OF SAID RETAINER.
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) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |