Hydraulic switch machine for railroads
US9156479B2 · kind B2 · utility
3Cited by
21References
8Claims
0Family size
Inventors
Key dates
| Filing date | Aug 28, 2009 |
| Grant date | Oct 13, 2015 |
| Priority date | — |
| Expiry date | Dec 20, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61L5/107
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Provided is a hydraulic railroad switch machine that incorporates a lock-spring assembly, a point-detection and display system, a connector rod assembly, and a hydraulic system to overcome disadvantages associated with throw-out linkages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.