DEVICE FOR AUTOMATIC WATER SUPPLY TO CUP

摘要

PROBLEM TO BE SOLVED: To provide a simple means to accurately supply a fixed quantity of water in a cup being used in a dental clinic through detecting static electricity in a cup. SOLUTION: This automatic water-supplier is provided with a stand 21 for nonmetallic cups 1 such as paper cup, resin cup or the like to be placed on a specified position and a water-supply pipe 34 for the respective cups placed thereon, a static electricity sensor 35 with some distance being apart along with an inclined surface on the side of the cup stand and an electrovalve 10 that detects the specified level of static electricity to stop the feeding of water.