Railcar bogie
US9688292B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 14, 2014 |
| Grant date | Jun 27, 2017 |
| Priority date | — |
| Expiry date | May 1, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61F5/52
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A railcar bogie includes: a bogie frame including a cross beam and plate springs, the plate springs supporting both respective car width direction end portions of the cross beam and extending in a car longitudinal direction; axles extending in a car width direction; bearings provided at both respective car width direction sides of each of the axles; axle boxes accommodating the respective bearings and supporting the plate springs from below; and rubbing plates provided on an upper surface of the bogie frame to slidingly contact respective rubbed plates provided on a lower surface of a bolster. In a plan view, each of the rubbing plates is arranged within a region where the cross beam and the plate spring intersect with each other and is arranged on a center line of the plate spring, the center line extending in the car longitudinal direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.