Sealing device
Abstract
Abstract A SEALING DEVICE, ADAPTED TO BE DISPOSED BETWEEN A BEARING AND A JOURNAL WHICH IS DISPOSED IN THE BEARING AND HAS A SHOULDER, COMPRISES AN ELASTOMER V-SECTION RING HAVING TWO LIPS APPLIED RESPECTIVELY IN CONTACT WITH THE BEARING AND THE JOURNAL SHOULDER AND A PROTECTING ELEMENT ENCOMPASSING AND CENTERED BY THE RING. THE PROTECTING ELEMENT COMPRISES A RELATIVELY RIGID ANNULAR ELEMENT WHICH IS CENTERED RELATIVE TO THE RING AND INCLUDES AN ANNULAR WALL WHICH PROTECTS AT LEAST ONE OF THE LIPS OF THE RING. PREFERABLY THE PROTECTING ELEMENT HAS A STIFFENING RIB EXTENDING RADIALLY BETWEEN THE LIPS AND A SKIRT PORTION WHICH EXTENDS AXIALLY FROM THE RIB AND OVERLAPS THE ADJACENT END OF THE BEARING.
Inventors
- 👤 Alfred Pitner
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |