Type wheel setting and locking means in line composition

Claim 1

AN APPARATUS FOR AUTOMATICALLY SETTING AT LEAST ONE LINE OF TYPE FOR PRINTING DOCUMENTS FROM DATA WHICH MAY BE REPRESENTED BY DISTINCTIVE SWITCHING OPERATIONS, COMPRISING TYPE WHEELS CARRYING PRINTING CHARACTERS, A TRACKING WHEEL FOR EACH PRINTING WHEEL, AN ELECTRICAL CONTACT ON EACH TRACKING WHEEL FORMING A ROTARY CONTACT, A COMMUTATOR WHEEL ADJACENT EACH TRACKING WHEEL AND HAVING A PLURALITY OF FIXED CONTACTS, ONE FOR EACH CHARACTER ON SAID TYPE WHEEL, COMMON DRIVE MEANS TO ROTATE SAID TYPE WHEELS WITH THE RESPECTIVE TRACKING WHEEL IS SYNCHRONISM WHEREBY SAID TRACKING WHEEL CONTACT SUCCESSIVELY ENCOUNTERS SAID COMMUTATOR FIXED CONTACTS, LOCKING MEANS FOR LOCKING SAID TYPE WHEELS AND TRACKING WHEELS IN A DESIRED POSITION TO SUIT THE LINE COMPOSITION, SWITCHING MEANS FOR EACH COMMUTATOR HAVING A DISTINCTIVE SWITCHING MEANS FOR EACH COMMUTATOR FIXED CONTACT, MEANS TO PLACE SAID SWITCHING DEVICE IN A CONDUCTIVE STATE CORRESPONDING TO THE DATA TO BE PRINTED FROM THE RESPECTIVE TYPE WHEEL WHILE THE REMAINING SWITCHING DEVICES ARE IN NON-CONDUCTIVE STATE, A PLURALITY OF LINES CONECTING EACH SAID COMMUTATOR FIXED CONTACT TO A COMMON TERMINAL THROUGH ITS RESPECTIVE SWITCHING DEVICE, A CONDUCTOR FROM SAID COMMON SWITCH TERMINAL TO SAID TRACKING WHEEL ELECTRICAL CONTACT, MEANS FOR ENERGIZING SAID COMMON TERMINAL CONDUCTOR WHEN THE ELECTRIC CIRCUIT INCLUDING SAID TRACKING CONTACT AND SAID LINE FROM THE COMMUTATOR CONTACT IN A CONDUCTIVE STATE IS COMPLETED, WHEREBY TO CAUSE SAID TYPE WHEEL TO BE LOCKED IN THE PRINTING POSITION CORRESPONDING TO THE SELECTED DATA WHEN THE SAID COMMUTATOR FIXED CONTACT IN A CONDUCTIVE IS ENCOUNTERED BY SAID TRACKING CONTACT.

Claim 2

AN APPARATUS FOR AUTOMATICALLY SETTING AT LEAST ONE LINE OF TYPE FOR PRINTING DOCUMENTS FROM DATA WHICH MAY BE REPRESENTED BY DISTINCTIVE SWITCHING OPERATIONS, COMPRISING TYPE WHEELS CARRYING PRINTING CHARACTERS, A TRACKING WHEEL FOR EACH PRINTING WHEEL, AN ELECTRICAL CONTACT ON EACH TRACKING WHEEL FORMING A ROTARY CONTACT, A COMMUTATOR WHEEL ADJACENT EACH TRACKING WHEEL AND HAVING A PLURALITY OF FIXED CONTACTS, ONE FOR EACH CHARACTER ON SAID TYPE WHEEL, COMMON DRIVE MEANS TO ROTATE SAID TYPE WHEELS WITH THE RESPECTIVE TRACKING WHEEL IS SYNCHRONISM WHEREBY SAID TRACKING WHEEL CONTACT SUCCESSIVELY ENCOUNTERS SAID COMMUTATOR FIXED CONTACTS, LOCKING MEANS FOR LOCKING SAID TYPE WHEELS AND TRACKING WHEELS IN A DESIRED POSITION TO SUIT THE LINE COMPOSITION, SWITCHING MEANS FOR EACH COMMUTATOR HAVING A DISTINCTIVE SWITCHING MEANS FOR EACH COMMUTATOR FIXED CONTACT, MEANS TO PLACE SAID SWITCHING DEVICE IN A CONDUCTIVE STATE CORRESPONDING TO THE DATA TO BE PRINTED FROM THE RESPECTIVE TYPE WHEEL WHILE THE REMAINING SWITCHING DEVICES ARE IN NON-CONDUCTIVE STATE, A PLURALITY OF LINES CONECTING EACH SAID COMMUTATOR FIXED CONTACT TO A COMMON TERMINAL THROUGH ITS RESPECTIVE SWITCHING DEVICE, A CONDUCTOR FROM SAID COMMON SWITCH TERMINAL TO SAID TRACKING WHEEL ELECTRICAL CONTACT, MEANS FOR ENERGIZING SAID COMMON TERMINAL CONDUCTOR WHEN THE ELECTRIC CIRCUIT INCLUDING SAID TRACKING CONTACT AND SAID LINE FROM THE COMMUTATOR CONTACT IN A CONDUCTIVE STATE IS COMPLETED, WHEREBY TO CAUSE SAID TYPE WHEEL TO BE LOCKED IN THE PRINTING POSITION CORRESPONDING TO THE SELECTED DATA WHEN THE SAID COMMUTATOR FIXED CONTACT IN A CONDUCTIVE IS ENCOUNTERED BY SAID TRACKING CONTACT.