Patent ID: 6112761
Filing Date: 2000-09-05
Classification: E03B,F16K,Y10T

Abstract:
A fire hydrant locking device which locks the actuating hydrant stem and prevents access to the threaded outlet comprising:a clamp having a central recess to engage the hydrant stem and outwardly extending wings, each wing having an aperture extending therethrough transversely to the stem;a forked rod having a pair of legs at one end to engage the wing apertures and lock the stem in place and a main rod portion extending therefrom;a movable donut having a central aperture with the main rod portion extending therethrough;a cap having internal threads to engage the threaded outlet, a tubular recess having a cylindrical wall and a plurality of spring loaded curved pins passing through the cylindrical wall at one end to engage the rod which is mounted within the cylindrical wall and said curved pins extending through the at the other end; and,a wrench having a circular head, and aperture extending through said head and having inwardly projecting tapered pin portions and a curved handle mounted to said head;wherein the wrench is mounted over the cap and when actuated depresses the spring-loaded cap pins out of engagement with the rod to permit turning the cap and access to the locking clamp for purposes of removing the forked rod from the wing apertures to unlock the actuating hydrant stem.