Seal for bearing bushings
US4903971A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 20, 1988 |
| Grant date | Feb 27, 1990 |
| Priority date | — |
| Expiry date | Oct 20, 2008 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2361/41
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A seal for sealing the space between a bearing bushing and the journal of a machine part supported therein and a seal consisting of an inner sealing ring between the bearing bushing and the journal and an outer sealing ring located between the open end of the bearing bushing and a shoulder of the machine part supported in the bearing bushing and which has an axially oriented section on the inner side facing the inner sealing ring, having a concentric bore, said inner sealing ring (12) having a sleeve-like section (22) pressed onto a stepped portion of the journal (3) and wherein said pressed-on section (22) is located in the bore (21) of the outer sealing ring (11).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.