Railcar bogie including axle spring
US10059351B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2013 |
| Grant date | Aug 28, 2018 |
| Priority date | — |
| Expiry date | Jan 27, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F2230/24
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A railcar bogie includes: an axle box; a bogie frame; a pair of rubber springs, which are fixed to respective side surfaces of the axle box and the bogie frame; a pair of axle-box-side supporting members provided on respective lower portions of both the side surfaces of the axle box, the axle-box-side supporting members being configured to support the rubber springs when a fixed state between the rubber springs and the bogie frame as well as between the rubber springs and the axle box is released; and a pair of axle-box-side locking members each provided on top of the axle box in a removable manner, the axle-box-side locking members being configured to lock upper portions of the one ends of the rubber springs when the fixed state between the rubber springs and the bogie frame as well as between the rubber springs and the axle box is released.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.