Control device for double swinging lever of a dobby

In a double lift dobby for weaving machines of the type including double swinging levers having two ends and wherein coupling members are each pivotally mounted at a first end to each end of the levers and wherein a programmed actuation assembly is used to control the movement of the levers, the improvement comprising, movable traction members carried by plates which are mounted to oscillate relative to each lever, said traction members being movable to a first position in which they engage a second end of each of said coupling members from a second position where they are spaced from said ends of said members, transmission means carried by said plates and connected to said traction members, means fixedly mounting said actuation assembly relative to said plates, and said actuation assembly including movable stop means for selectively actuating said transmission means to thereby control said traction members to move to their said first or second position.