| 摘要 |
PROBLEM TO BE SOLVED: To provide a quick joint displaying whether both parts of the joint are completely fitted or not for an assembly worker. SOLUTION: A quick joint is provided with a sleeve 3, nipple 7 insertable in this sleeve and lock devices 31, 47 for a connection condition between the sleeve 3 and the nipple 7. The lock device is provided with a bead 31 protruded particularly in the radial direction outside in the nipple 7 and a holding fixture 5 having a spreadable holding finger 47 grasping the bead 31 from behind to be supported in the sleeve 3. The holding fixture 5 is provided with a display device, it is provided with an arm 49 particularly displaceable in the radial direction outside to be extended in the axial direction, an end part 51 of this arm, in a connection condition, is made visible and/or contact detectable from the outside. |
