US3268280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cushioned bearing assembly
Assignee: Aerojet Rocketdyne Holdings Inc
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Filing: 1965-04-27
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Granted: 1966-08-23
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Expires: 1985-04-27
Abstract
No abstract record available.
Inventors
- 👤 Harvey E Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:33
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/20; F16C27/00; F16C27/06; F16C27/063; F16C33/201; F16C2208/00; F16C2208/20; F16C2208/30; F16C2208/32; F16C2208/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A CUSHIONED BEARING ASSEMBLY COMPRISING AN INNEER SLEEVE, A CONCENTRIC OUTER RIGID SLEEVE AND A TUBUALR INSERT OF ELASTIC RUBBER RETAINED UNDER RADIAL COMPRESSION BETWEEN SAID SLEEVES, SAID INNER SLEEVE COMPRISING A CONTINUOUS INNER CYLINDRICAL BEARING PART COMPOSED OF A LOW FRICTION MATERIAL AND ADAPTED TO BEAR AGAISNT A SHAFT, SAID INNER BEARING PART BEING PROVIDED WITH A SERIES OF LONGITUDINALLY EXTENDING LUBRICANT-RECEIVING GROOVES, SEALING MEANS INTERMEDIATE THE ENDS OF SAID BEAING PART COMPRISING CIRCUMFERENTIAL GROOVE MEANS ADJACENT SAID ENDS FOR RETARDING THE ESCAPE OF LUBRICANT FROM SAID ASSEMBLY, AND AN OUTER CYLINDRICAL MEMBER INTERPOSED BETWEEN SAID TUBULAR INSERT AND SAID INNER PART, SAID OUTER MEMBER BEING PROVIDED WITH PERFORATIONS INTO WHICH PORTIONS OF SAID TUBULAR INSERT MAY EXPAND TO PROVIDE A SLIP-PREVENTING INTERLOCK.
Claim 2
Dependent Claim
124 words
A CUSHIONED BEARING ASSEMBLY COMPRISING AN INNEER SLEEVE, A CONCENTRIC OUTER RIGID SLEEVE AND A TUBUALR INSERT OF ELASTIC RUBBER RETAINED UNDER RADIAL COMPRESSION BETWEEN SAID SLEEVES, SAID INNER SLEEVE COMPRISING A CONTINUOUS INNER CYLINDRICAL BEARING PART COMPOSED OF A LOW FRICTION MATERIAL AND ADAPTED TO BEAR AGAISNT A SHAFT, SAID INNER BEARING PART BEING PROVIDED WITH A SERIES OF LONGITUDINALLY EXTENDING LUBRICANT-RECEIVING GROOVES, SEALING MEANS INTERMEDIATE THE ENDS OF SAID BEAING PART COMPRISING CIRCUMFERENTIAL GROOVE MEANS ADJACENT SAID ENDS FOR RETARDING THE ESCAPE OF LUBRICANT FROM SAID ASSEMBLY, AND AN OUTER CYLINDRICAL MEMBER INTERPOSED BETWEEN SAID TUBULAR INSERT AND SAID INNER PART, SAID OUTER MEMBER BEING PROVIDED WITH PERFORATIONS INTO WHICH PORTIONS OF SAID TUBULAR INSERT MAY EXPAND TO PROVIDE A SLIP-PREVENTING INTERLOCK.
References Cited (Backward Citations)
US1980117A
Cited
US2127200A
Cited
GB653982A
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US2923579A
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GB783221A
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FR1145882A
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GB847171A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |