US3322430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Greased "o" ring cartridge
Assignee: Bank of America Illinois
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Filing: 1965-08-04
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Granted: 1967-05-30
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Expires: 1985-08-04
Abstract
No abstract record available.
Inventors
- 👤 Robert M Voitik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:32
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; Y; Y10; Y10S; Y10S277/00; Y10S277/91; Y10S277/931; Y10S277/933
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN AN ASSEMBLY HAVING A ROTATABLE SHAFT PASSING THROUGH AN OPENING IN A HOUSING, A ROTARY SEAL COMPRISING, IN COMBINATION, A CASING MOUNTED ON SAID HOUSING AND DEFINING AN ANNULAR INWARDLY OPENING SPACE SURROUNDING SAID SHAFT, AN O-RING FITTED ON SAID SHAFT WITHIN SAID SPACE, A SPRING DISPOSED IN SAID SPACE AND BEARING ON SAID O-RING SO AS TO URGE IT AGAINST BOTH SAID CASING AND SAID SHAFT AND A QUANTITY OF LIGHT GREASE IN SAID SPACE SURROUNDING AND IN HEAR TRANSMITTING CONTACT WITH SAID O-RING AND SAID SPRING SO THAT FRICTION RESULTING FROM ROTATION OF SAID SHAFT GENERATES HEAT THAT IS TRANSMITTED TO SAID GREASE THEREBY CAUSING GREASE TO FLOW AND LUBRICATE THE FRICTION-PRODUCING RUBBING PARTS.
Claim 2
Dependent Claim
117 words
IN AN ASSEMBLY HAVING A ROTATABLE SHAFT PASSING THROUGH AN OPENING IN A HOUSING, A ROTARY SEAL COMPRISING, IN COMBINATION, A CASING MOUNTED ON SAID HOUSING AND DEFINING AN ANNULAR INWARDLY OPENING SPACE SURROUNDING SAID SHAFT, AN O-RING FITTED ON SAID SHAFT WITHIN SAID SPACE, A SPRING DISPOSED IN SAID SPACE AND BEARING ON SAID O-RING SO AS TO URGE IT AGAINST BOTH SAID CASING AND SAID SHAFT AND A QUANTITY OF LIGHT GREASE IN SAID SPACE SURROUNDING AND IN HEAR TRANSMITTING CONTACT WITH SAID O-RING AND SAID SPRING SO THAT FRICTION RESULTING FROM ROTATION OF SAID SHAFT GENERATES HEAT THAT IS TRANSMITTED TO SAID GREASE THEREBY CAUSING GREASE TO FLOW AND LUBRICATE THE FRICTION-PRODUCING RUBBING PARTS.
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) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |