Quickly detachable coupling

摘要: The invention relates to a coupling for working vehicles, such as tractors, which comprises on the vehicle two fixedly connected members, locking bars and levers cooperation with members work attachment. are joined by means of pipe arranged between their facing sides, in slidably mounted movement through orifices said positions inside outside outwardly sides latter. within free surfaces defined edge surface. have an inner wedge-shaped cavity corresponding outer wedge shape walls having same dimensional relationship cavities members.