Electric power take-off control

Claim 1

IN COMBINATION WITH A POWER TAKE-OFF ATTACHMENT FOR A MOTOR VEHICLE INCLUDING A POWER TAKE-OFF GEAR SHIFTABLE INTO MESH WITH A POWER DRIVEN GEAR IN SAID VEHICLE BY MEANS OF A PIVOTABLE LEVER CARRIED BY THE ATTACHMENT, A CONTROL SYSTEM FOR PIVOTING SAID LEVER TO SHIFT SAID GEARS INTO AND OUT OF MESH COMPRISING REVERSIBLE ROTATABLE SHAFT MEANS, AN OPERATIVE CONNECTION BETWEEN SAID SHAFT MEANS AND SAID LEVER FOR PIVOTING SAID LEVER TO MESH AND DISENGAGE SAID POWER TAKE-OFF GEAR WITH SAID POWER DRIVEN GEAR, SAID OPERATIVE CONNECTION INCLUDING AN AXIALLY SHIFTABLE, DRIVEN SHAFT ASSEMBLY CONNECTED TO SAID LEVER, DRIVE MEANS DRIVINGLY CONNECTING SAID SHAFT ASSEMBLY TO SAID ROTATABLE SHAFT MEANS FOR IMPARTING RECIPROCAL MOVEMENT TO SAID SHAFT ASSEMBLY UPON REVERSALS OF ROTATION OF SAID ROTATABLE SHAFT MEANS, SAID DRIVE MEANS INCLUDING A WORM CONNECTED TO THE ROTATABLE SHAFT MEANS, A WORM GEAR IN MESH WITH SAID WORM FREELY ROTATABLE UPON SAID SHAFT ASSEMBLY, CLUTCH MEANS FIXED TO SAID SHAFT ASSEMBLY ADJACENT SAID WORM GEAR, AND MEANS MOUNTED UPON SAID SHAFT ASSEMBLY FOR BIASING SAID CLUTCH MEANS INTO FRICTIONAL ENGAGEMENT WITH SAID WORM GEAR.