Plural track tape recorder

Claim 1

A PLURAL TRACK MAGNETIC TAPE RECORDER, COMPRISING: A SUPPLY REEL AND A TAKE-UP REEL ADAPTED TO RECEIVE A WIDE TAPE CAPABLE OF RECORDING A PLURALITY OF SOUND TRACKS IN PARALLEL RELATIONSHIP; A TAPE PRESSURE BAR MOUNTED BETWEEN SAID REELS OVER WHICH THE TAPE IS ADAPTED TO TRANSVERSE, MEANS DRIVING SAID REELS IN A FORWARD DIRECTION AT A PREDETERMINED SPEED FOR RECORDING, PLAYBACK, OR ERASING, AND IN A REVERSE DIRECTION AT A HIGHER SPEED FOR REWINDING; A CARRIAGE CARRYING MAGNETIC RECORDING, PLAYBACK AND ERASING HEADS; MEANS PIVOTALLY AND SLIDABLY MOUNTING SAID CARRIAGE FOR MOVEMENT RELATIVE TO SAID TAPE PRESSURE BAR, AND A SINGLE, MANUALLY OPERABLE, MEANS DIRECTLY CONNECTED WITH SAID CARRIAGE TO PIVOT SAID CARRIAGE TO MOVE THE HEADS FROM A POSITION IN CONTACT WITH A TAPE TRAVERSING SAID PRESSURE BAR TO A POSITION SPACED THEREFROM, AND TO SLIDE SAID CARRIAGE LATERALLY TO POSITION THE HEADS IN ALIGNMENT WITH ANY SELECTED SOUND TRACK ON THE TAPE.