a double - lift open - shed jacquard loom comprises hooks controlled by control needles , the leg of each hook having three hook noses thereon . the loom also has two sets of blades which are movable in opposite directions towards and away from each other by lift means , and a stationary set of blades . the blades of at least one movable set are arranged pivotally about respective imaginary axes which extend in the longitudinal direction of each blades , and a pivoting means is provided for producing simultaneous parallel pivotal movement of the pivotal blades .