Patent ID: 6405805
Filing Date: 2002-06-18
Classification: E03B,Y10T

Abstract:
A system for supplying fluid for fighting a fire, comprising:(a) a water main, comprising: (i) a pipe that has a flanged end and a plurality of apertures disposed within a wall of the pipe; (ii) a water main valve disposed within the pipe; (iii) a valve stem extending from the water main valve through the pipe; (iv) a connector disposed on an end of the valve stem; and (b) a portable fire hydrant for coupling to the water main, comprising: (i) an extension through which fluid can flow when the fire hydrant is coupled to the water main; (ii) a valve operator coupled to the extension; (iii) a coupling mechanism, coupled to the valve operator, for connecting the valve operator to the connector of the water main so that manipulation of the valve operator will cause operation of the coupling mechanism, the connector, the valve stem and the water main valve; (v) an attaching mechanism, disposed on the extension, for attaching the extension to the water main, the attaching mechanism comprising a plurality of spring loaded members disposed on the extension that are spring loaded towards an interior of the extension and that can be pushed towards an exterior of the extension in response to operation of the valve operator and inserted into the apertures disposed in the pipe wall of the water main to couple the portable fire hydrant to the water main.