Aerial ladder for a fire apparatus
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United States of America Patent
Stats
-
Feb 28, 2017
Grant Date -
Jul 28, 2016
app pub date -
Apr 1, 2016
filing date -
Nov 24, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An aerial ladder assembly for a fire apparatus includes a first truss member, a second truss member, and a plurality of rungs coupling the first truss member to the second truss member. The first truss member includes a first base rail, a first hand rail elevated from the first base rail, and a plurality of lacing members coupling the first base rail to the first hand rail. The second truss member includes a second base rail, a second hand rail elevated from the second base rail, and a plurality of lacing members coupling the second base rail to the second hand rail. The first truss member and the second truss member define a first zone and a second zone separated by a transition, and the first base rail and the second base rail have a first shape within the first zone and a second shape within the second zone.
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