Railway switch setting device
US6056244A · kind A · utility
6Cited by
3References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 9, 1998 |
| Grant date | May 2, 2000 |
| Priority date | — |
| Expiry date | Feb 9, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61L5/045
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A device for setting railway switches includes a plurality of interlinked hydraulic switching devices (6) connected to a separate reversible hydraulic drive unit in a manner offset in the longitudinal direction of the rails, wherein the working volumes of the hydraulic cylinder piston aggregates (6) are connected to driving movement in same direction. The pistons (20) or plungers (11) include push-open valves (18) for travel limitation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.