US3353879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sleeve bearing
Assignee: Metzeler AG
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Filing: 1965-08-03
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Granted: 1967-11-21
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Expires: 1985-08-03
Abstract
No abstract record available.
Inventors
- 👤 Jorn Raoul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:46
CPC Classifications
F; F16; F16C; F16C27/00; F16C27/06; F16C27/063; F16C33/00; F16C33/02; F16C33/04; F16C33/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A SLEEVE BEARING COMPRISING, IN COMBINATION, AN INNER SLEEVE OF ELASTICALLY DEFORMABLE PLASTIC MATERIAL HAVING AN INNER SUBSTANTIALLY CYLINDRICAL SURFACE AND BEING FORMED WITH A PLURALITY OF CORRUGATIONS EXTENDING IN AXIAL DIRECTION THROUGH THE LENGTH OF SAID SLEEVE, SPACED IN CIRCUMFERENTIAL DIRECTION FROM EACH OTHER AND FORMING AXIALLY EXTENDING EXPANSION GROOVES OPEN TOWARD SAID INNER SURFACE, SAID CORRUGATIONS HAVING A WALL THICKNESS SMALLER THAN THE REMAINDER OF SAID INNER SLEEVE; AN OUTER SLEEVE OF ELASTICALLY COMPRESSIBLE RUBBER MATERIAL SURROUNDING SAID INNER SLEEVE AND TIGHTLY ENGAGING THE OUTHER SURFACE OF THE LATTER, SAID OUTER SLEEVE HAVING IN UNSTRESSED CONDITION A GIVEN OUTER DIAMETER; AND A CARRYING MEMBER FORMED WITH A BORE THERETHROUGH OF A DIAMETER SMALLER THAN SAID GIVEN DIAMETER, SAID OUTER SLEEVE BEING RECEIVED IN SAID BORE AND TIGHTLY HELD THEREIN IN RADIAL COMPRESSED CONDITION.
Claim 2
Dependent Claim
135 words
A SLEEVE BEARING COMPRISING, IN COMBINATION, AN INNER SLEEVE OF ELASTICALLY DEFORMABLE PLASTIC MATERIAL HAVING AN INNER SUBSTANTIALLY CYLINDRICAL SURFACE AND BEING FORMED WITH A PLURALITY OF CORRUGATIONS EXTENDING IN AXIAL DIRECTION THROUGH THE LENGTH OF SAID SLEEVE, SPACED IN CIRCUMFERENTIAL DIRECTION FROM EACH OTHER AND FORMING AXIALLY EXTENDING EXPANSION GROOVES OPEN TOWARD SAID INNER SURFACE, SAID CORRUGATIONS HAVING A WALL THICKNESS SMALLER THAN THE REMAINDER OF SAID INNER SLEEVE; AN OUTER SLEEVE OF ELASTICALLY COMPRESSIBLE RUBBER MATERIAL SURROUNDING SAID INNER SLEEVE AND TIGHTLY ENGAGING THE OUTHER SURFACE OF THE LATTER, SAID OUTER SLEEVE HAVING IN UNSTRESSED CONDITION A GIVEN OUTER DIAMETER; AND A CARRYING MEMBER FORMED WITH A BORE THERETHROUGH OF A DIAMETER SMALLER THAN SAID GIVEN DIAMETER, SAID OUTER SLEEVE BEING RECEIVED IN SAID BORE AND TIGHTLY HELD THEREIN IN RADIAL COMPRESSED CONDITION.
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |