High speed railway truck
US3988992A · kind A · utility
3Cited by
3References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 24, 1974 |
| Grant date | Nov 2, 1976 |
| Priority date | — |
| Expiry date | Jul 24, 1994 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61F5/144
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A truck for a high speed rail vehicle which has a friction bearing between the car body and the truck frame so as to restrain movement of the frame about its vertical axis until the friction between the friction bearing and the truck frame has been overcome. The truck also has axle bearings in the form of mutually inclined surfaces made of material of high stiffness in the normal direction of travel of the truck.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.