Sound tape cartridge

Claim 1

IN SOUND TAPE APPARATUS FOR USE WITH A DRIVING CAPSTAN SPINDLE, A PINCH ROLLER ASSEMBLY INCLUDING A PINCH ROLLER OVER WHICH TAPE IS TRAVELLED BETWEEN THE ROLLER AND CAPSTAN SPINDLE, TAPE REELS JOURNALLED ADJACENT TO PINCH ROLLER TO SERVE AS PAYOUT AND TAKE-UP REELS FOR THE TRAVELLED TAPE, DRIVEN REEL PULLEY MEANS FOR EACH REEL TO DRIVE THE SAME INDIVIDUALLY; SAID PINCH ROLLER ASSEMBLY INCLUDING TWO DRIVE PULLEYS ASSEMBLED COAXIALLY WITH THE PINCH ROLLER EACH TO BE ROTATED IN A DIFFERENT DIRECTION CODIRECTIONALLY WITH THE ROLLER WHEN DRIVEN BY THE CAPSTAN SPINDLE, AND EACH PROVIDED WITH BELT MEANS DRIVING ONE OF SAID REEL PULLEY MEANS; AND MEANS WHICH IS PART OF SAID PINCH ROLLER ASSEMBLY ACTING AUTOMATICALLY IN ACCORDANCE WITH THE DIRECTION OF TRAVEL OF THE TAPE FOR COUPLING THE PINCH ROLLER WITH THAT ONE OF SAID DRIVE PULLEYS WHICH WILL DRIVE THE REEL ACTING AS THE TAKE-UP REEL FOR THE DIRECTION OF TAPE TRAVEL.