WAGON HOPPER HATCH CONTROL DEVICE AND WAGON HOPPERS FITTED THEREWITH

摘要

The invention relates to a control device of the flap of a hopper of the wagon. / p & & p & it is characterizes in that the means 20 for holding the flap 6 in the open position is chosen from a type such that its action of the support can be annihilated by an oscillation of a piece 22 and, on the one hand, to release the cover, it makes it necessary, this oscillation of the piece 22, whereas, on the other hand, during its return into position for holding it guides the return of this piece 22 in the waiting position of the release command subsequent. / p & & p & application in the industry of the mechanical construction and in particular hoppers of wagons.