Animal husbandry – Waste toilet or related device – Walled receptacle; e.g. – litter box – etc. – containing...
Patent
1994-01-14
1995-05-16
Weiss, John G.
Animal husbandry
Waste toilet or related device
Walled receptacle; e.g., litter box, etc., containing...
239206, 239204, B05B 302, B05B 1510, A01K 2900
Patent
active
054151309
ABSTRACT:
A sprinkler head comprising a strong, rigid body with removable top cap and having a smooth exterior surface absent flanges and sharp corners which might injure a cow. The body bottom includes an opening and threads for attaching a liquid supply pipe. Inside the body is a replaceable protective liner cup containing a rotary drive motor for rotating a movable nozzle having non-extending spray orifices at an upper side end. During operation, the nozzle is moved upward through a close-fit opening in the top cap by liquid pressure. The nozzle is also smooth, and is arranged to be able to be pressed downward during operation to reduce injuries, and to provide a self-cleaning action. The self-cleaning is enhanced by vibrations from the drive motor and the position of the orifices relative the top cap. The drive motor which rotates the nozzle, preferably includes replaceable parts at wear points. The top cap allows for convenient servicing of all parts subject to wear, while maintaining the interior of the body free of falling debris. The body, nozzle and drive motor are rendered highly durable by maintaining a separation between metal parts using self-lubricating plastics parts between each metal part. The multi-diameter spray orifices are structured to break-up the liquid into large individual droplets so the spray is gentle and more effective at cleaning a cow's udder with a reduced volume of liquid.
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