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Class 246/442 - Tongue


Subclass of Class 246 - Railway switches and signals
Definition: Subject matter having triangular-shaped and comparatively
No. of patents: 10
Last issue date: 06/17/2008


NumberTitleIssue Date
7387280Points comprising a reinforced switch tongue blade
In a switch including a main track and a branch track, wherein one rail of each track is each configured as a tongue rail and movable into abutment on the respective stock rail, at least one stock rail (1), in its region of abutment on the tongue rail (2
06/17/2008
7185860Tongue switch
A modular tongue switch assembly comprises a tongue pivotally connected to a slide surface, held down by a pivot retainer. The slide surface consists of slide plate sections removably attached to corresponding bed plate sections, which are in turn welded onto a base...
03/06/2007
6550722Tongue box for grooved rail points
In order to enable the use of highly resistant materials difficult to weld or not weldable at all for a stock rail (2), the tongue box for grooved rail switches, which includes a stock rail (2), a slide plate (5) and a side rail (3), whereby the side rail...
04/22/2003
5618013Movable point for a crossing frog for railway apparatus of very great length, incorporated in long welded rails
A movable point for a crossing frog for railway apparatus of great length, incorporated in long welded rails. The point (7) is comprised of a single steel element, which comprises integral seating cross members (8). The rigidity of the point varies along ...
04/08/1997
5577691Switch blade device in a turnout on a tram-or streetcar-type line
In a switch blade (point-rail) device in a grooved-rail turnout on a tram- or streetcar-type line, switch blades (2) are detachably mounted, using a clamping wedge (5) which is fastened to a support part (6) by means of a screw (12) in an essentially perp...
11/26/1996
5451018Railway tongue and rail juncture
A railway tongue and junction rail assembly including a mounting fixed to the junction rail. The tongue abuts the junction rail at an inclined junction and is releasably secured within the mounting with the mounting being the sole means of joining the ton...
09/19/1995
5366184Seat for the movable point in a cradle of a crossing frog incorporated in long welded rails and process for the production of such a seat
The present invention relates to a seat for the movable point in a cradle of a crossing frog incorporated in long welded rails and the process for production of such a seat. The seat is characterized in that the connection between the movable point (1) an...
11/22/1994
5207401Switch for a grooved guide track
A switch includes a frame constituted, inter alia, by a single point end plate, preferably mechanically welded, for supporting stock rails at ends thereof adjacent a principle route, and by a double heel end plate, preferably mechanically welded, for supp...
05/04/1993
4251042Railway double tongue switch
A double tongue switch comprises a pair of identical and interchangeable switch assemblies, each of which has a rectangular body with vertical outer walls. Each switch tongue includes a pair of full-width railheads of increased thickness. Each body includ...
02/17/1981
4032095Central guide system for vehicles
This invention is relative to a vehicle-guiding system provided with support means and a steering means such as a roller running along a flange way, characterized in that it comprises a points system connecting a track to two tracks and formed by a point ...
06/28/1977
 
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