Railcar bogie
US9573604B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2016 |
| Grant date | Feb 21, 2017 |
| Priority date | — |
| Expiry date | Apr 1, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61F15/06
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A railcar bogie includes: a cross beam supporting a carbody; a pair of front and rear axles sandwiching and arranged in front of and behind the cross beam in a railcar longitudinal direction to extend in a railcar width direction; bearings provided at both railcar width direction sides of each and rotatably supporting the axles; axle boxes accommodating the bearings; side members extending in the railcar longitudinal direction supporting both railcar width direction end portions of the cross beam and each including both railcar longitudinal direction end portions supported by the axle boxes; contact members provided at both railcar width direction end portions and disposed on railcar longitudinal direction middle portions of the side members so as not to be fixed to the side members in an upper-lower direction; and supporting members provided at the axle boxes and supporting the railcar longitudinal direction end portions of the side members.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.