Torque responsive control for motor driven tool

Claim 1

A POWER FASTENER DRIVING TOOL HAVING A TORQUE RESPONSIVE CONTROL, COMPRISING A MOTOR, CONTROL MEANS FOR THE SUPPLY OF POWER TO SAID MOTOR, A DRIVE SHAFT ROTATABLE BY SAID MOTOR, A DRIVE BODY CONNECTED TO SAID DRIVE SHAFT FOR ROTATION THEREWITH AND FOR MOVEMENT ALONG THE AXIS OF ROTATION OF SAID DRIVE SHAFT, A DRIVEN BODY MOUNTED FOR RELATIVE ROTATION WITH RESPECT TO SAID DRIVE BODY AND HAVING AN ADAPTER FOR HOLDING A TOOL SUCH AS A FASTENER DRIVER BIT, A CONTROL ROD HAVING ONE END ADAPTED TO OPERATE SAID POWER SUPPLY CONTROL MEANS AND TERMINATING AT ITS OTHER END ADJACENT TO SAID DRIVEN BODY, A TORSION SPRING CONNECTED AT OPPOSITE ENDS TO SAID DRIVE BODY AND TO SAID DRIVEN BODY TO RESIST RELATIVE ROTATION THEREBETWEEN WITH A PREDETERMINED FORCE, A RELEASE MEMBER CARRIED BY SAID DRIVEN BODY AND HAVING A POCKET IN ONE END THEREOF FOR RECEIVING SAID OTHER END OF SAID ROD, MEANS NORMALLY COCKING SAID RELEASE MEMBER TO A POSITION OFFSET FROM SAID ROD FOR CAUSING AN EDGE OF SAID RELEASE MEMBER TO ENGAGE SAID ROD AND TO PUSH SAID ROD FOR ACTUATING SAID POWER SUPPLY CONTROL MEANS TO INITIATE OPERATION OF SAID MOTOR, AND A MEANS FOR SENSING RELATIVE ROTATION BETWEEN SAID DRIVING BODY AND SAID DRIVEN BODY IN RESPONSE TO OVERCOMING THE RESISTING FORCE OF SAID SPRING AND FOR CAUSING SAID RELEASE MEMBER TO MOVE UNTIL ITS SAID POCKET IS ALIGNED TO RECEIVE SAID OTHER END OF SAID ROD ALLOWING A POWER SHUTOFF MOVEMENT OF SAID ROD.