RAILROAD CROSSING GATE HAVING A UNIVERSAL CROSSING GATE ARM WITH A RACK AND PINION COUNTERWEIGHT ADJUSTMENT SYSTEM
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United States of America Patent
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Issued Date -
Apr 24, 2008
app pub date -
Oct 23, 2006
filing date -
Oct 23, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A railroad crossing gate comprising a crossing gate arm having a counterweight support structure and one or more counterweights supported by the counterweight support structure. The counterweight support structure includes a gear rack provided along a first portion of the crossing gate arm and a pinion gear operatively coupled to and selectively movable along the gear rack.
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