Needle bearing and in particular a needle sleeve having a reinforced seal
US4655618A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 1985 |
| Grant date | Apr 7, 1987 |
| Priority date | — |
| Expiry date | Jul 26, 2005 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C33/7889
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A needle bearing, and in particular a needle sleeve, comprising an outer ring (1) in which are mounted needles (2) contained in a cage (3), sealing means being provided at the ends of the outer ring, wherein said sealing means comprise a sealing element (11) of an elastomer having a sleeve (12) adapted to receive by a tight fit the inner element (4) of the bearing, and peripheral sealing lips (13, 14, 15) cooperative with the axial surfaces of a flange (5) having an axial ledge (6, 7, 8, 10) of the outer ring in which the sealing element (11) is disposed, an axial inner portion (10) of the flange constituting an abutment for the axial relative displacements of the outer ring (1) and the inner element (4) of the bearing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.