Spring rail frog
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 25, 1986
Grant Date -
N/A
app pub date -
Sep 20, 1984
filing date -
Sep 20, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A railroad spring frog assembly for trackwork installations includes a rigid rail and a flexible spring wing rail. The flexible spring wing rail is rigidly affixed between one end which engages a wing point rail and the other end which connects to a closure rail at the toe end of the frog support means. When a rail car enters the frog and a wheel flange engages the spring wing rail to pass between it and the long point rail the spring wing rail bends away from the long point rail to define a flangeway therebetweeen.
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