Positioning device for printing type characters

Claim 1

A POSITIONING DEVICE FOR PRINTING TYPE CHARACTERS IN ROW AND COLUMN ARRANGEMENT, SAID DEVICE COMPRISING A PLURALITY OF TYPE CARRIERS EACH HAVING A TOOTHED PORTION, ONE FOR EACH COLUMN TO BE PRINTED AND EACH CARRYING A TYPE OF EACH CHARACTER TO BE PRINTED IN THE RESPECTIVE ROW, SAID TYPE CARRIERS BEING STEP-BY-STEP MOVABLE TO PRINT A SELECTED TYPE IN A SELECTED ROW, SUPPORT MEANS FOR GUIDING A RECORD CARRIER UPON WHICH TYPE CHARACTERS ARE TO BE PRINTED, HAMMER MEANS MOVABLE BETWEEN A REST POSITION AND AN ACTIVE POSITION AND COACTING WITH SAID TYPE CARRIERS FOR PRESSING THE SAME AGAINST THE RECORD CARRIER GUIDED ON SAID SUPPORT MEANS, STEPPING MEANS CONTROLLING THE POSITIONS OF SAID TYPE CARRIERS FOR MOVING THE SAME BY ONE STEP IN RESPONSE TO AN ENERGIZATION OF THE STEPPING MEANS, SAID STEPPING MEANS INCLUDING A MOVABLE ARM FOR EACH TYPE CARRIER, A PAWL FOR EACH TYPE CARRIER COACTING WITH THE RESPECTIVE ARM FOR MOVEMENT OF THE PAWL BY SAID ARM, AND ELECTROMAGNETIC MEANS FOR ACTUATING SAID ARM BY A CHANGE IN THE STATE OF ENERGIZATION OF THE ELECTROMAGNETIC MEANS, EACH OF SAID PAWLS BEING ENGAGEABLE WITH THE TOOTHED PORTION OF THE RESPECTIVE TYPE CARRIER TO MOVE LATTER BY ONE STEP WHEN THE RESPECTIVE ARM IS MOVED, EACH OF SAID ARMS CONSTITUTING AN ARMATURE OF THE RESPECTIVE ELECTROMAGNETIC MEANS, ELECTRONIC REGISTER MEANS FOR CONTROLLING SAID STEPPING MEANS AND SAID HAMMER MEANS, SAID REGISTER MEANS HAVING ONE REGISTER POSITION FOR EACH POSITION OF EACH TYPE CARRIER, AND COINCIDENCE CIRCUIT MEANS FOR ENERGIZING THE REGISTER MEANS IN A PREDETERMINED REGISTER POSITION TO THE MOVE THE HAMMER MEANS FROM THE REST POSITION TO THE ACTIVE POSITION, THEREBY EFFECTING PRINTING OF THE RESPECTIVE TYPE CHARACTER.