Device for connecting an agricultural accessory to an agricultural tractor vehicle, comprising a lock actuation part, a connecting part and an arming member, wherein the coupling member of the agricultural vehicle actuates the pawl in order to effect a connecting, the said coupling member actuating the lock actuation part in order to lock the pawl and prevent the movement of the coupling member, and the said coupling member actuating the pawl once again and then the arming member in order to effect a disconnection and leave the device ready for a new connecting.
