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Aerial ladder for a fire apparatus

  • US 9,580,960 B2
  • Filed: 04/01/2016
  • Issued: 02/28/2017
  • Est. Priority Date: 11/24/2014
  • Status: Active Grant
First Claim
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1. An aerial ladder assembly for a fire apparatus, comprising:

  • a first truss member including 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, wherein the first truss member extends along a longitudinal direction;

    a second truss member including 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, wherein the second truss member extends along the longitudinal direction; and

    a plurality of rungs coupling the first truss member to the second truss member, the plurality of rungs extending across the longitudinal direction,wherein the first truss member and the second truss member define a first zone and a second zone separated by a transition, the first base rail and the second base rail each comprising a first tubular member and a second tubular member within the first zone that are fixed together to provide at least portions of the first base rail and the second base rail,wherein the second tubular members are disposed inward of the first tubular members, wherein the first base rail and the second base rail each have a first shape within the first zone and a second shape within the second zone, and wherein the first shape is different than the second shape.

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