| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an air supply and discharge device 10 in a simple structure, which surely and rapidly performs air supply to and air discharge from an air bag 30 even without a pump, and also performs air supply to and air discharge from the air bag 30 without a pump, and even if the size of an air supply and discharge port 21 is changed. <P>SOLUTION: The air supply and discharge device includes: a first inserting part 11 inserted into the air supply and discharge port 21 of an air plug 20; a second inserting part 12 having a larger diameter than that of the first inserting part 11; an valve releasing part 13 integrally arranged at the end of the first inserting part 11; and an operating part 14 integrally arranged at the outer end of the second inserting part 12, and performing supply and discharge of the air; and a communication hole 15 formed in the operating part 14, the first inserting part 11, and the second inserting part 12, and communicating the outside with the air bag 30. <P>COPYRIGHT: (C)2012,JPO&INPIT |
