Switching device for switch tongues
US6290189A · kind A · utility
5Cited by
6References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 30, 1999 |
| Grant date | Sep 18, 2001 |
| Priority date | — |
| Expiry date | Aug 30, 2019 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01B7/22
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In a point-operating device for pressing one tongue (28) against a stock rail (3) and for simultaneous pull-off of another tongue (29) from an opposite stock rail (4), the operability is improved when between the stock rails/tongues of a point, a moving device, which is formed with at least four adjustable vertical spring assemblies (8, 9, 12, 13), is arranged.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.