Windshield wiper actuating mechanism

Claim 1

WINDSHIELD WIPER ACTUATING AND CONTROL MECHANISM INCLUDING, A UNIDIRECTIONAL ELECTRIC MOTOR, A ROTARY DRIVING MEMBER CONNECTED TO SAID MOTOR, AN ENERGIZING CIRCUIT FOR SAID MOTOR INCLUDING A RUNNING SWITCH AND A PARKING SWITCH CONNECTED IN PARALLEL, AN ELECTROMAGNET FOR CONTROLLING SAID RUNNING SWITCH AND A MANUAL SWITCH FOR CONTROLLING ENERGIZATION OF SAID ELECTROMAGNET, A ROTARY CRANK, MEANS OPERATIVELY CONNECTING THE DRIVING MEMBER AND SAID CRANK FOR IMPARTING ROTATION THERETO, DOUBLE ECCENTRIC MEANS ARRANGED BETWEEN SAID DRIVING MEMBER AND SAID CRANK FOR VARYING THE THROW THEREOF, MEANS AUTOMATICALLY OPERABLE TO EFFECT RELATIVE ROTATION BETWEEN SAID DOUBLE ECCENTRIC MEANS UPON ENERGIZATION AND DEENERGIZATION OF SAID ELECTROMAGNET, AND MEANS OPERABLE TO CYCLICALLY OPEN SAID PARKING SWITCH DURING EACH REVOLUTION OF SAID ROTARY DRIVING MEMBER.