Patent US3239232A successfully refreshed from Google Patents.
US3239232A
Expired / Lapsed
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Self-leveling rotary seal
Assignee: Gits Bros Mfg Co
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Filing: 1963-12-20
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Granted: 1966-03-08
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Expires: 1983-12-20
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Andresen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:53
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/38; Y; Y10; Y10S; Y10S277/00; Y10S277/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN A ROTARY SHAFTG SEAL, A SUPPORT RING HAVING AN INNER PERIPHERY FOR TIGHTLY HUGGING THE SHAFT AND A FRAGMENTAL SPHERICAL OUTER PERIPHERY STRUCK FROM A SHORT RADIUS CENTERED ON THE CENTER LINE OF THE SUPPORT RING, A MATING RING SURROUNDING SAID SUPPORT RING HAVING AN INNER PERIPHERY MATING WITH THE OUTER PERIPHERY OF THE SUPPORT RING IN TILTABLE RELATION, A PERIPHERAL GROOVE AROUND THE SUPPORT RING, A SEAL RING IN SAID GROOVE ENGAGING SAID MATING RING, AND TANG AND SLOT MEANS ON THE SUPPORT AND MATING RINGS FOR DRIVING THE MATING RING FROM THE SUPPORT RING WITHOUT TRANSMITTING TILTING MOVEMENTS THEREBETWEEN.
Claim 2
Dependent Claim
102 words
IN A ROTARY SHAFTG SEAL, A SUPPORT RING HAVING AN INNER PERIPHERY FOR TIGHTLY HUGGING THE SHAFT AND A FRAGMENTAL SPHERICAL OUTER PERIPHERY STRUCK FROM A SHORT RADIUS CENTERED ON THE CENTER LINE OF THE SUPPORT RING, A MATING RING SURROUNDING SAID SUPPORT RING HAVING AN INNER PERIPHERY MATING WITH THE OUTER PERIPHERY OF THE SUPPORT RING IN TILTABLE RELATION, A PERIPHERAL GROOVE AROUND THE SUPPORT RING, A SEAL RING IN SAID GROOVE ENGAGING SAID MATING RING, AND TANG AND SLOT MEANS ON THE SUPPORT AND MATING RINGS FOR DRIVING THE MATING RING FROM THE SUPPORT RING WITHOUT TRANSMITTING TILTING MOVEMENTS THEREBETWEEN.
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |