Electrostatic drive apparatus

Claim 1

AN ELECTROSTIC DRIVE APPARATUS FOR ADVANCING PAPER COMPRISING, IN COMBINATION: (A) A ROTATABLE SHAFT; (B) A PAIR OF ROTOR SECURED TO SAID SHAFT IN A LATERALLYSPACED RELATIONSHIP, EACH OF SAID ROTORS INCLUDING (C) AN INNER PORTION OF ELECTRICAL INSULATING MATERIAL, (D) AN INTERMEDIATE PORTION OF ELECTRICAL CONDUCTING MATERIAL, (E) AND AN OUTER ENCIRCLING PORTION OF ELECTROSTATIC RESISTANCE MATERIAL; (F) MEANS FOR CONTINUOUSLY ROTATING SAID SHAFT TO ROTATE SAID ROTORS IN SYNCHRONISM IN THE DIRECTION OF PAPER ADVANCEMENT; (G) A BRAKE MEMBER FIXEDLY POSITIONED IN FRONT OF SAID ROTORS HAVING A STATIONARY BRAKING SURFACE CARRYING ELECTROSTATIC RESISTANCE MATERIAL; (H) A PAPER DRIVE FOR EACH OF SAID ROTORS, EACH OF SAID PAPER DRIVES INCLUDING (I) AN ENDLESS DRIVEN MEMBER EXTENDING AROUND BOTH ITS ASSOCIATED ROTOR AND SAID BRAKE MEMBER AND BEING IN ENGAGEMENT WITH THE ELECTROSTATIC RESISTANCE MATERIAL THEREON, (J) MEANS IN CONTACT WITH SAID INTERMEDIATE PORTIONS OF EACH OF SAID ROTORS FOR ENERGIZING SAID ROTORS TO CAUSE SAID ENDLESS DRIVEN MEMBERS TO BE HELD THERETO AND MOVED THEREBY WHEREBY ADVANCEMENT OF SAID PAPER IS AFFECTED; AND (K) MEANS FOR SIMULTANEOUSLY DEENERGIZING SAID ROTORS AND ENERGIZING SAID BRAKE MEMBER TO CAUSE SAID ENDLESS DRIVEN MEMBERS TO BE RELEASED FROM SAID ROTORS AND TO BE HELD AGAINST SAID STATIONARY BRAKING SURFACE OF SAID BRAKE MEMBER WHEREBY MOVEMENT OF SAID ENDLESS DRIVEN MEMBERS IS STOPPED AND ADVANCEMENT OF SAID PAPER IS TERMINATED.