Typewriter ribbon control arrangement

Claim 1

A TYPEWRITER RIBBON CONTROL ARRANGEMENT COMPRISING, IN COMBINATION FIRST GUIDE MEANS FOR A FIRST INK RIBBON; SECOND GUIDE MEANS FOR A SECOND CARBON PAPER RIBBON; ACTUATING MEANS INCLUDING A POWER ROLL; FIRST COUPLING MEANS MOVABLE BETWEEN A FIRST POSITION FOR CONNECTING SAID ACTUATING MEANS WITH SAID FIRST GUIDE MEANS AND A SECOND POSITION FOR CONNECTING SAID ACTUATING MEANS WITH SAID SECOND GUIDE MEANS, SAID FIRST AND SECOND GUIDE MEANS, RESPECTIVELY, BEING MOVED BY SAID ACTUATING MEANS FOR RENDERING SAID FIRST AND SECOND RIBBON, RESPECTIVELY, OPERATIVE; TAKE-UP MEANS FOR SAID SECOND RIBBON; SECOND SPRINGBIASED COUPLING MEANS HAVING A FIRST INOPERATIVE POSITION, AND BIASED TO MOVE TO A SECOND COUPLING POSITION FOR COUPLING SAID ACTUATING MEANS WITH SAID TAKE-UP MEANS SO THAT THE SAME ARE DRIVEN FOR WINDING UP SAID SECOND RIBBON; AND SETTING MEANS HAVING A FIRST POSITION AND A SECOND POSITION FOR SHIFTING SAID FIRST COUPLING MEANS BETWEEN SAID FIRST AND SECOND POSITIONS, SAID SETTING MEANS IN SAID FIRST POSITION HOLDING SAID SECOND COUPLING MEANS IN SAID INOPERATIVE POSITION, AND PERMITTING IN SAID SECOND POSITION SAID SPRING-BIASED SECOND COUPLING MEANS TO MOVE TO SAID COUPLING POSITION SO THAT SAID TAKE-UP MEANS WINDS UP SAID SECOND RIBBON.