Railway truck having spring-connected equalizer and frame
US8887643B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 1, 2012 |
| Grant date | Nov 18, 2014 |
| Priority date | — |
| Expiry date | Aug 11, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61F5/14
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A railway truck is disclosed for use with a locomotive. The railway truck may have a first axle with a first end and an opposing second end, and a second axle with a first end and an opposing second end. The railway truck may also have a plurality of wheels connected to each of the first and second axles, and an equalizer operatively supported by the first and second axles in a vertical direction. The railway truck may further have a frame, at least a first spring disposed vertically between the equalizer and the frame and configured to transfer vertical forces from the equalizer to the frame, and at least a second spring located on a side of the frame opposite the first frame and configured to transfer vertical forces from the frame to a bolster assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.