Torque and position responsive limit switch

Claim 1

THE COMBINATION OF AN ACTUATOR HAVING AN OUTPUT SHAFT, AN ELECTRIC MOTOR HAVING A DRIVE SHAFT GEARED TO SAID OUTPUT SHAFT SUCH THAT THE AXIS OF SAID OUTPUT SHAFT IS SUBSTANTIALLY PERPENDICULAR TO THE AXIS OF SAID DRIVE SHAFT; A CONTROL UNIT COMPRISING A CSING, A SET OF SWITCHER ELECTRICALLY CONNECTED TO CONTROL SAID ELECTRIC MOTOR, A FIRST SHAFT MECHANICALLY CONNECTED TO SAID DRIVE SHAFT AND BEING AXIALLY MOVABLE WITH THE AXIAL MOVEMENTS OF SAID DRIVE SHAFT IN RESPONSE TO CHANGES OF TORQUE APPLIED TO SAID OUTPUT SHAFT BY SAID DRIVE SHAFT, A SECOND SHAFT MECHANICALLY CONNECTED TO SAID SOUTPUT SHAFT AND BEING ROTATABLY MOVABLE IN RESPONSE TO THE ROTATION OF SAID OUTPUT SHAFT, SAID SECOND SHAFT BEING PARALLEL TO SAID FIRST SHAFT, A FIRT SWICTH OEPRATING LEVERL PIVOTALLY MOUNTED ON STATIONARY MEANS MOUNTED ON SAID CASING, SAID FIRST SWITCH OPERATING LEVER BEING PIVOTALLY MOVABLE BETWEEN AN OPEN POSITION AND A CLOSED POSITION IN WHICH IT CONTACTS AT LEAST ONE SWITCH OF SAID SET OF SWITCHES, SAID FIRST SHAFT CONNECTED TO SAID FIRST SWITCH OPERATING LEVER AND MOVING T<HE SAME BETWEEN ITS OPEN AND CLOSED POSITIONS IN RESPONSE TO THE AXIAL MOVEMENT OF SAID FIRST SHAFT, A SECOND SWITCH OPERATING LEVER PIVOTALLY MOUNTED ON SAID STATIONARY MEANS AND BEING MOVABLE BETWEEN AN OPEN POSITION ADN A CLOSED POSITION IN WHICH IT CONTACTS AT LEAST ONE SWITCH OF SAID OF SET OF SWITCHES, AND SAID SECOND SWITCH OPERATING TO MECHANICALLY ENGAGE SAID SECOND SWITCH OPERATING LEVER FOR MOVING THE SAME BETWEEN ITS OPEN AND CLOSED POSITIONS.