Drop down lug for railroad switch application
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United States of America Patent
Stats
-
Nov 18, 2003
Grant Date -
Oct 30, 2003
app pub date -
Apr 30, 2002
filing date -
Apr 30, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved railroad switch apparatus includes a switch machine, a locking system lug, a detection system lug, a lock rod connecting rod, a point detector connecting rod, and a pair of movable rails. The locking system lug is mounted on a pair of lock rods of a switch machine, and the detection system lug is mounted on a point detector rod of the switch machine. The locking system lug includes a groove that receives the lock rod connecting rod and that permits a slight degree of pivoting therebetween while remaining securely mounted thereto. Similarly, the detection system lug includes a groove that receives the point detector connecting rod and that permits a slight degree of pivoting therebetween while remaining securely mounted thereto. The locking system lug and the detection system lug each include a pair of opposed convex retention surfaces formed on the groove thereof.
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