Patent US3191945A successfully refreshed from Google Patents.
US3191945A
Expired / Lapsed
US
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Rotary seal with supporting sleeve
Assignee: Gits Bros Mfg Co
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Filing: 1963-03-18
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Granted: 1965-06-29
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Expires: 1983-03-18
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Andresen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:45
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/36; Y; Y10; Y10S; Y10S277/00; Y10S277/91; Y10S277/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
IN A ROTARY SEAL ASSEMBLY, THE COMBINATION COMPRISING, A NON-ROTATABLE SEALING RING HAVING AN ANNULAR RADIAL SEALING FACE, A ROTATABLE MATING RING HAVING AN ANNULAR RADIAL SEALING SURFACE FOR SEALING ENGAGEMENT WITH SAID FACE, MEANS FOR URGING SAID SEALING RING AXIALLY INTO SEALING ENGAGEMENT WITH SAID MATING RING, A SUPPORTING SLEEVE EXTENDING COAXIALLY WITHIN SAID SEALING RING WITH AXIAL ENDS EXTENDING IN BOTH DIRECTIONS AXIALLY BEYOND THE SEALING RING. SAID SLEEVE BEING SPLIT AXIALLY WITH AN AXIALLY EXTENDING GAP THEREIN SAID BEING FLEXIBLE FOR CONFORMING TO THE OUTER SURFACE OF A SHAFT, SHAFT ENGAGING TORQUE MEANS AT ONE END OF THE SLEEVE FOR POSITIVELY CONNECTING THE SLEEVE TO A SHAFT, AND MATING RING ENGAGEMENT MEANS AT THE OTHER END OF THE SLEEVE FOR CONNECTING THE SLEEVE TO THE MATING RING FOR FIXING THE POSITION OF THE MATING RING.
Claim 2
Dependent Claim
138 words
IN A ROTARY SEAL ASSEMBLY, THE COMBINATION COMPRISING, A NON-ROTATABLE SEALING RING HAVING AN ANNULAR RADIAL SEALING FACE, A ROTATABLE MATING RING HAVING AN ANNULAR RADIAL SEALING SURFACE FOR SEALING ENGAGEMENT WITH SAID FACE, MEANS FOR URGING SAID SEALING RING AXIALLY INTO SEALING ENGAGEMENT WITH SAID MATING RING, A SUPPORTING SLEEVE EXTENDING COAXIALLY WITHIN SAID SEALING RING WITH AXIAL ENDS EXTENDING IN BOTH DIRECTIONS AXIALLY BEYOND THE SEALING RING. SAID SLEEVE BEING SPLIT AXIALLY WITH AN AXIALLY EXTENDING GAP THEREIN SAID BEING FLEXIBLE FOR CONFORMING TO THE OUTER SURFACE OF A SHAFT, SHAFT ENGAGING TORQUE MEANS AT ONE END OF THE SLEEVE FOR POSITIVELY CONNECTING THE SLEEVE TO A SHAFT, AND MATING RING ENGAGEMENT MEANS AT THE OTHER END OF THE SLEEVE FOR CONNECTING THE SLEEVE TO THE MATING RING FOR FIXING THE POSITION OF THE MATING RING.
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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |