| 摘要 |
PROBLEM TO BE SOLVED: To eliminate a spring formed of a separately arranged member, and reduce assembly manhour and a cost by integrally arranging an elastic member to a claw member which exhibits the slipping off preventing function of a nipple by being brought into contact with a projection formed to the nipple, and applying the elastic force of this elastic member to a slide cover. SOLUTION: When a nipple 17 is inserted to a coupling main body, the projection 17 of the nipple 17 is brought into contact with the taper surface 12a side of an angle projected part 12, however, when the projection 17b gets over the angle projected part 12, the angle projected part 12 is recovered by the elastic force of an elastic part 11, and at this time, the taper surface 12b of the angle projected part 12 is matched to the taper surface 18b of an annular groove 18, thereby the nipple 17 is prevented from being slipped off. Also, when a slide cover (s) is moved against an elastic piece 14 from this condition, the pushing/pressing part 15 of the slide cover (s) and the projected part 12d are staggered, therefore the angle projected part 12 can escape from a projected hole 8. Therefore, when the nipple 17 is extracted, the angle projected part 12 is pushed up along the taper surface 18b, and the nipple 17 can be extracted. |
