Clutch and brake for sewing machine

Claim 1

IN A SEWING MACHINE DRIVING ARRANGEMENT HAVING A DRIVING SHAFT CONNECTED TO MEANS FOR THE DRIVING THEREOF, THE COMBINATION OF, A STATIONARY CLUTCH HOUSING, A FLYWHEEL CONCENTRICALLY MOUNTED ON AND ROTATABLE WITH THE DRIVING SHAFT, A DRIVEN SHAFT, A PULLEY FIXEDLY MOUNTED UPON AND ROTATABLE WITH SAID DRIVEN SHAFT, A BRAKE DISC FIXEDLY MOUNTED UPON SAID CLUTCH HOUSING AND CONCENTRICALLY RELATED TO SAID DRIVINGLY SHAFT, A CLUTCH DISC FIXEDLY MOUNTED UPON AND ROTATABLE WITH SAID DRIVEN SHAFT INTERMEDIATE SAID FLYWHEEL AND BRAKE DISC BEING ALTERNATELY SHIFTABLE AXIALLY INTO FRICTIONAL CONTACT WITH SAID FLYWHEEL AND BRAKE DISC, A STATIONARY SOLENOID INCLUDING A COIL AND AN AXIALLY SHIFTABLE PLUNGER CONCENTRICALLY RELATED TO AND CIRCUMSCRIBING SAID DRIVEN SHAFT, A SHIFTABLE SLEEVE CONCENTRICALLY RELATED TO AND SLIDABLE WITH SAID DRIVEN SHAFT, THE PLUNGER OF SAID SOLENOID BEING FIXEDLY MOUNTED UPON SAID SLEEVE, RETURN MEANS FOR ACTUATING SAID CLUTCH DISC TOWARD SAID BRAKE DISC SAID DRIVEN SHAFT AND PULLEY AND CLUTCH DISC BEING ARRANGED FOR AXIAL SHIFTING UNISONLY IN ONE DIRECTION FOR FRICTIONAL CONTACT OF SAID CLUTCH DISC WITH SAID FLYWHEEL AS THE PLUNGER OF SAID SOLENOID AND SAID SLEEVE ARE SHIFTED UPON ENERGIZATION OF THE COIL OF SAID SOLENOID FOR THE TRANSFER OF TORQUE FROM SAID CLUTCH DISC TO SAID PULLEY AND UNISONLY IN AN OPPOSITE DIRECTION FOR FRICTIONAL CONTACT OF SAID CLUTCH DISC WITH SAID BRAKE DISC UNDER THE URGING OF SAID RETURN MEANS UPON DEENERGIZATION OF THE COIL OF SAID SOLENOID.