Bearing seal with dual sealing lips
US4544286A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 21, 1985 |
| Grant date | Oct 1, 1985 |
| Priority date | — |
| Expiry date | Feb 21, 2005 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2300/14
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A seal for a rolling bearing rotary joint consisting of two race rings disposed concentrically inside one another and between which rolling members roll, one race ring projecting axially beyond the other race ring and carrying an elastic gasket in this part projecting beyond the other race ring, the gasket being disposed in a peripheral groove which is open towards the other race ring and bearing slidingly against the other race ring, characterized in that the elastic gasket (7) has an axial sealing lip (8) bearing against the end face (9) of the other race ring (1) which has an axially outwardly extending peripheral collar (11) between the point of contact of said sealing lip and its surface facing the one race ring (2), against which peripheral collar (11) there bears a second radially acting sealing lip (10) of the elastic gasket (7).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.