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US 6,142,238 AGranted
Fire tractor hitch and fire fighting method
OwnerAnthony James Holt, Andrew Charles Holtinventors
Life of this patent
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Abstract
A method for fighting wildland and forest fire and a hitch assembly is described that allows a tank of fluid to be towed by a fire tractor to a fire location especially for the purpose of spraying and creating a foam fire break line. The hitch assembly attaches to a fire tractor and uses fifth wheel plate and kingpin coupling to releasably lockingly connect a continuous track vehicle to a tank in the configuration of an over-the-road semi trailer or to the drawbar eye of a tank in the configuration of an over-the-road A-train trailer.
Claims13
A method of fluid delivery comprising the steps of:
- a) receiving and carrying fire retardant or suppressant fluid in a tank which is in the configuration of an over the road semitrailer tank assembly and is connected to a continuous track vehicle for drawing said semitrailer tank assembly off road by a fifth wheel which said connection transmits all of the draft;
- b) maneuvering said vehicle and said semitrailer tank assembly off road to a remote location for strategic placement of said fluid;
- c) and discharging and delivering said fluid to a combustible fuel while engaged in the act of drawing said continuous track vehicle and said semitrailer tank assembly for the purpose of fighting a fire.
A fire fighting apparatus comprising:
- a) a continuous track vehicle,
- b) a tank in the configuration of an over the road semitrailer tank assembly which is coupled to said continuous track vehicle wherein said coupling means is comprised of a fifth wheel plate and a kingpin,
- c) fire retardant or suppressant fluid contained in said semitrailer tank assembly,
- d) and means for discharging said fluid by spraying.
1 more element
Dependencies are inferred from the claim text.