Patent US3288474A successfully refreshed from Google Patents.
US3288474A
Expired / Lapsed
US
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Bellows seal structure
Assignee: Gits Bros Mfg Co
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Filing: 1963-06-14
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Granted: 1966-11-29
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Expires: 1983-06-14
Abstract
No abstract record available.
Inventors
- 👤 Remi J Gits
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:50
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/36; F16J15/363; Y; Y10; Y10S; Y10S277/00; Y10S277/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A ROTARY SEAL ASSEMBLY FOR A ROTATING SHAFT MEMBER HAVING A ROTATING RING AND A STATIONARY SEALING RING HAVING A SEALING SURFACE SEALINGLY ENGAGING THE ROTATING RING, AN EXPANSIBLE ANNULAR BELLOWS FOR SURROUNDING THE SHAFT MEMBER AND SECURED AT ONE END TO SAID STATIONARY RING, A SEAL ASSEMBLY SUPPORT, AND A NON-ROTATABLE END RING BEING SEALINGLY RELATED TO THE OTHER END OF THE BELLOWS AND HAVING AN INNER ANNULAR SURFACE OF A DIAMETER TO BE IN CLOSE RUNNING RELATION TO SAID SHAFT AND HAVING AN AXIAL FACING SEALING SURFACE ENGAGING AND SEALING RELATED TO SAID SUPPORT SO THAT WITH LEAKAGE OF THE BELLOWS FLUID LEAKAGE WILL BE INHIBITED BY SAID END RING.
Claim 2
Dependent Claim
113 words
IN A ROTARY SEAL ASSEMBLY FOR A ROTATING SHAFT MEMBER HAVING A ROTATING RING AND A STATIONARY SEALING RING HAVING A SEALING SURFACE SEALINGLY ENGAGING THE ROTATING RING, AN EXPANSIBLE ANNULAR BELLOWS FOR SURROUNDING THE SHAFT MEMBER AND SECURED AT ONE END TO SAID STATIONARY RING, A SEAL ASSEMBLY SUPPORT, AND A NON-ROTATABLE END RING BEING SEALINGLY RELATED TO THE OTHER END OF THE BELLOWS AND HAVING AN INNER ANNULAR SURFACE OF A DIAMETER TO BE IN CLOSE RUNNING RELATION TO SAID SHAFT AND HAVING AN AXIAL FACING SEALING SURFACE ENGAGING AND SEALING RELATED TO SAID SUPPORT SO THAT WITH LEAKAGE OF THE BELLOWS FLUID LEAKAGE WILL BE INHIBITED BY SAID END 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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |