| 摘要 |
PROBLEM TO BE SOLVED: To provide a drinking water supply device in which a commercially available PET bottle can be exchanged.SOLUTION: A cap 2 is introduced to an introducing part 32 of an adaptor 3, and a projection 325 formed in the introducing part 32 abuts on an urging pin 24 so as to press the end 24a of the urging pin at a second recess 23 side in the cap 2 so that the urging pin 24 slides toward a first recess 22 side against the urging of a winding spring 28 attached by the urging pin 24. Thereby a circular rubber 27 attached to the first recess 22 side of the urging pin is separated from a water introducing hole 25, so that drinking water W in the commercially available PET bottle P attached to the cap 2 is supplied into a water server WS through the passage 311 of the adaptor 3. |
