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Class 246/274 - Switch-connected frogs


Subclass of Class 246 - Railway switches and signals
Definition: Subject matter having a switch actuated by a track-trip
No. of patents: 5
Last issue date: 08/01/2006


NumberTitleIssue Date
7083149Cross frog
A cross frog of a grooved rail junction plate having a cross frog tip movably arranged on a sliding plate, wing rails running along the same, as well as auxiliary rails that transition into connecting bars, which delimit a respective groove with an allocated section...
08/01/2006
6955326Tongue 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...
10/18/2005
6340140Railroad frog for switch points and crossings
The rigid frog for switch points and crossings with two wing rails (1, 2) and a frog point (3, 6, 4, 5) arranged therebetween, which forms with the wing rails switch openings (11) that run at an acute angle relative to each other, is characterized in that...
01/22/2002
6164602Railroad frog assembly with multi-position holdback
A railroad frog assembly is provided with a spring wing rail multi-position holdback subassembly that continuously retains the spring wing rail in each spring wing rail open position when activated by the wheels of a railcar traversing the frog assembly, ...
12/26/2000
6158697Railroad frog assembly with latch holdback
A railroad frog assembly is provided with a spring wing rail latch holdback subassembly that continuously retains the spring wing rail in a spring wing rail fully open position when activated by the wheels of a railcar traversing the frog assembly, and th...
12/12/2000
 
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