Automatic washing and sterilizing device for a stable

An automatic washing and sterilizing device for a stable comprising;

• a crane mounted for movement along a steel cable;
• first and second threaded shafts which are mounted to said crane and which extend from said crane adjacent one another;
• a motor for rotating said first shaft;
• first and second winding wheels, each said winding wheel being provided with a plurality of grooves of progressively different diameters about which a tension wire is wound;
• a first mounting means for mounting said first winding wheel to said first shaft for rotation therewith;
• a second mounting means for mounting said second winding wheel for rotation on said second shaft;
• at least one of said mounting means allowing its associated one of said winding wheels to be adjustably positioned on its associated one of said shafts such that a selected one of said grooves of the one of said winding wheels engages the tension wire while an adjacent selected one of said grooves of the other of said winding wheels also engages the tension wire;
• and
• a nozzle fastened to said crane for movement therewith.