Patent ID: 8341851

Claim:
An apparatus for indicating the position of a point detector bar having an outer surface linked to a movable point associated with a fixed rail comprising: a. a probe, said probe being movable toward and contacting the outer surface of the point detector bar; b. a housing connected to said probe and being movable toward the point detector bar; c. a leg, said leg positioned relative to said housing to form a unit, said leg being movable with said housing, said leg further being movable relative to said housing upon said probe contacting a certain portion of the outer surface of the point detector bar; d. a driver, said driver being linked to said leg and housing unit, moving said housing and connected probe toward the point detector bar; and e. a signal generator, said signed generator alerting said relative movement between said housing and said leg upon said probe contacting or lying in close proximity to a certain portion of the outer surface of the point detector bar.