Shuttle driving mechanism

Claim 1

A SHUTTLE DRIVING DEVICE FOR POWER LOOMS OF THE TYPE HAVING A TRANSVERSE BATTEN LAY BEAM, A SHUTTLE BATTEN IN SPACED PARALLEL RELATION ABOVE THE BATTEN LAY BEAM AND A ROTARY DRIVE SHAFT EXTENDING OUTWARDLY OF ONE END OF THE LOOM AND DISPOSED IN SPACED PARALLEL RELATION WITH RESPECT TO THE BATTEN LAY BEAM AND SHUTTLE BATTEN, COMPRISING, IN COMBINATION, A ROCKER SHAFT JOURNALLED IN SPACED PARALLEL RELATION WITH RESPECT TO AND BELOW THE BATTEN LAY BEAM, AN ELONGATED MAIN LEVER PERPENDICULAR FIXED AT ONE END TO SAID ROCKER SHAFT AND EXTENDING TO THE REAR OF THE LAY BEAM, A PAIR OF RELATIVELY SHORT ELONGATED FRONT LEVERS EACH PERPENDICULARLY FIXED AT ONE END TO SAID ROCKER SHAFT AND EXTENDING TO THE FRONT OF THE LAY BEAM, A PAIR OF PICKER LEVERS, EACH HAVING UPPER AND LOWER AND SIDEWARDLY OFFSET PIVOTAL BEARING PORTIONS, THE LOWER PIVOTAL BEARING PORTIONS OF SAID PICKER LEVERS EACH BEING JOURNALLED WITH RESPECT TO THE FRONT OF SAID LAY BEAM FOR INDEPENDENT TRANSVERSE SWINGING MOTION WITH RESPECT THERETO, ADJUSTABLE LINK MEANS INTERCONNECTING SAID SIDEWARDLY OFFSET PIVOTAL BEARING PORTIONS OF SAID PICKER LEVERS WITH ONE EACH OF THE OTHER ENDS OF SAID FRONT LEVERS FOR TRANSMITTING OSCILLATORY MOTION THEREBETWEEN, AND ADJUSTABLE CRANK MEANS INTERCONNECTING SAID OTHER END OF SAID MAIN LEVER WITH THE ROTARY DRIVE SHAFT OF THE LOOM FOR IMPARTING OSCILLATORY ROCKING MOTION TO SAID ROCKER SHAFT.