Cross frog for a set of track points, provided with an end of position-retaining device
US7121513B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Nov 15, 2002 |
| Grant date | Oct 17, 2006 |
| Priority date | — |
| Expiry date | Dec 17, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61L5/00
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A rail switch frog (1) includes a movable frog point (5) slidingly guided within a base frame (2), which frog point is movable into abutment on the wing rails (6, 7) and laterally supported in its abutment positions by supporting elements (10) fixed to the base frame (2). An end-position securing device (12) is provided for resiliently pressing the frog point (5) in its abutment position against the wing rail (6, 7) and the supporting elements (10), which end-position securing device is arranged within the space delimited by the base frame (2) and is connected with the base frame (2), or the supporting elements (10), as well as with the frog point (5).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.