Color changing arrangement for a combined calculator and typewriter

Claim 1

A SHIFTING ARRANGEMENT FOR A COMBINED CALCULATOR AND TYPEWRITER WHICH PRINTS IN TWO COLORS, COMPRISING, IN COMBINATION, (A) AN ACTUATING MEANS SHIFTABLE BETWEEN A FIRST POSITION AND A SECOND POSITION, AND BEING MOVABLE IN EACH OF SAID FIRST AND SECOND POSITIONS BETWEEN AN INOPERATIVE POSITION AND AN OPERATIVE POSITION; (B) A FIRST ELECTRO-MAGNETIC MEANS FOR MOVING SAID ACTUATING MEANS BETWEEN SAID FIRST AND SECOND PSOITIONS; (C) OPERATION CONTROL MEANS FOR EFFECTING ENERGIZING AND DE-ENERGIZING OF SAID FIRST ELECTRO-MAGNETIC MEANS AND INCLUDING A SWITCH CONNECTED TO THE SAME, SAID SWITCH EFFECTING ENERGIZING OF SAID FIRST ELECTRO-MAGNETIC MEANS WHEN THE COMBINED CALCULATOR AND TYPEWRITER ASSUMED AN OPERATIONAL CONDITION FOR EFFECTING SUBTRACTIONS; (D) A SECOND ELECTRO-MAGNETIC MEANS FOR MOVING SAID ACTUATING MEANS IN EACH OF SAID FIRST AND SECOND POSITIONS TO SAID OPERATIVE POSITION; (E) A SWITCH MEANS OPERATED BY SAID FIRST ELECTRO-MAGNETIC MEANS WHEN THE SAME IS ENERGIZED, AND CONNECTED TO SAID SECOND ELECTRO-MAGNETIC MEANS TO ENERGIZE THE SAME AFTER SAID FIRST ELECTRO-MAGNETIC MEANS HAS SHIFTED SAID ACTUATING MEANS BETWEEN SAID FIRST AND SECOND POSITIONS; AND (F) AN OPERATED MEANS SHIFTABLE BETWEEN A NORMAL POSITION FOR SETTING THE COMBINED CALCULATOR AND TYPEWRITER TO A NORMAL CONDITION IN WHICH IT PRINTS IN A FIRST COLOR, SUCH AS BLACK, AND ANOTHER POSITION FOR SETTING THE COMBINED CALCULATOR AND TYPEWRITER TO ANOTHER CONDITION IN WHICH IT PRINTS IN A SECOND COLOR, SUCH AS RED, AND BEING OPERATIVELY CONNECTED TO SAID ACTUATING MEANS TO BE SHIFTED BY THE SAME FROM SAID NORMAL POSITION TO SAID OTHER POSITION WHEN SAID ACTUATING MEANS IS MOVED BY SAID SECOND ELECTROMAGNETIC MEANS IN SAID FIRST POSITION FROM SAID INOPERATIVE POSITION TO SAID OPERATIVE POSITION, AND FROM SAID OTHER POSITION TO SAID NORMAL POSITION WHEN SAID ACTUATING MEANS IS MOVED BY SAID SECOND ELECTRO-MAGNETIC MEANS IN SAID SECOND POSITION FROM SAID INOPERATIVE POSITION TO SAID OPERATIVE POSITION.