Wheel bearing protection apparatus
US4623269A · kind A · utility
4Cited by
11References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 22, 1985 |
| Grant date | Nov 18, 1986 |
| Priority date | — |
| Expiry date | Jul 22, 2005 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2326/02
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The rotatable guide wheel of a transit vehicle is supported by a vertical stationary shaft by at least one main support bearing. Upon failure of that main support bearing the guide wheel shifts position for operation with one of a sleeve bearing coupled with the shaft and a thrust bearing coupled with the shaft below the guide wheel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.