| 摘要 |
<p>Adjustable apparatus is disclosed for holding a hog watering pipe with a depending nipple valve thereon. The apparatus includes a pair of elongated angle irons with a frictional lock on one end thereof for engagement with the pipe. A pipe holding bracket is slidably mounted on the angle irons such that the co-operation between the lock and the bracket allows selective positioning of the nipple valve.</p> |
