US3071385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-friction bearing seals
Assignee: IHO Holding GmbH and Co KG
•
Filing: 1960-02-29
•
Granted: 1963-01-01
•
Expires: 1980-02-29
Abstract
No abstract record available.
Inventors
- 👤 Greiner Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:20
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/784; F16C33/7843; F16C33/7853; F16C33/7856; F16C33/7816; F16C33/783; F16C19/00; F16C19/02; F16C19/04; F16C19/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
AN ANTI-FRICTION BEARING SEAL BETWEEN THE RACES OF AN ANTI-FRICTION BEARING COMPRISING AN ANNULAR GROOVE DEFINED BY THE OUTER RACE AND COMPRISING A POSITIVELY SLOPED INNER LINEAR GROOVE PORTION COMMUNICATING WITH A NEGATIVELY SLOPED CURVED OUTER GROOVE PORTION SPACED FROM THE OUTER EDGE OF SAID RACE, AN INNER AND AN OUTER METALLIC RING DISPOSED BETWEEN THE RACES, AN ELASTIC ANNULAR DISC HAVING A LIP AND CLAMPED BETWEEN SAID RINGS, AN OUTWARDLY CURVED PORTION FORMED AT THE END OF SAID OUTER RING PROXIMATE SAID OUTER RACE AND HAVING A SEGMENT RESILIENTLY BEARING AGAINST THE OUTER EDGE OF SAID ANNULAR GROOVE AND A SEGMENT COOPERATING WITH THE OUTER BASE OF SAID INNER RING MEMBER TO COMPRESS THE EDGE PORTION OF SAID ELASTIC DISC TO FORM A REDUCED THICKNESS NECK AND AN ENLARGED BEAD SEALINGLY PRESSED AGAINST THE LINEAR PORTION OF SAID ANNULAR GROOVE, AND THE OTHER OF SAID RACES HAVING A CONCAVE-LIKE ANNULAR TAPER ON WHICH SAID LIP IS HELD AGAINST AXIAL DISPLACEMENT.
Claim 2
Dependent Claim
161 words
AN ANTI-FRICTION BEARING SEAL BETWEEN THE RACES OF AN ANTI-FRICTION BEARING COMPRISING AN ANNULAR GROOVE DEFINED BY THE OUTER RACE AND COMPRISING A POSITIVELY SLOPED INNER LINEAR GROOVE PORTION COMMUNICATING WITH A NEGATIVELY SLOPED CURVED OUTER GROOVE PORTION SPACED FROM THE OUTER EDGE OF SAID RACE, AN INNER AND AN OUTER METALLIC RING DISPOSED BETWEEN THE RACES, AN ELASTIC ANNULAR DISC HAVING A LIP AND CLAMPED BETWEEN SAID RINGS, AN OUTWARDLY CURVED PORTION FORMED AT THE END OF SAID OUTER RING PROXIMATE SAID OUTER RACE AND HAVING A SEGMENT RESILIENTLY BEARING AGAINST THE OUTER EDGE OF SAID ANNULAR GROOVE AND A SEGMENT COOPERATING WITH THE OUTER BASE OF SAID INNER RING MEMBER TO COMPRESS THE EDGE PORTION OF SAID ELASTIC DISC TO FORM A REDUCED THICKNESS NECK AND AN ENLARGED BEAD SEALINGLY PRESSED AGAINST THE LINEAR PORTION OF SAID ANNULAR GROOVE, AND THE OTHER OF SAID RACES HAVING A CONCAVE-LIKE ANNULAR TAPER ON WHICH SAID LIP IS HELD AGAINST AXIAL DISPLACEMENT.
References Cited (Backward Citations)
GB508640A
Cited
GB622418A
Cited
US2639954A
Cited
US2712460A
Cited
GB706876A
Cited
US2728616A
Cited
US2766082A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |