| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To allow the instrument hose to be used to be connectable to any of connecting terminals set on the side of the unit, by allowing a connecting terminal provided on the instrument hose side to any of the plural connecting terminals provided at a work table (unit) to be connectable. <P>SOLUTION: The dental care unit has a first connecting terminal 20 fixed on the dental unit side and a second connecting terminal 12 on the instrument hose side which is removably connected to the first connecting terminal 20 in single operation. The first connecting terminal and the second connecting terminal have plural holes with a certain depth at the opposing positions. A bar 50 is inserted into one of the plural holes to connect both connecting terminals. The hole into which the bar 50 is inserted is detected and then the instrument hose connected to the unit is detected to supply air, electricity, water suitable for the hand piece connected to the instrument hose. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
