Multi-track magazine tape recorder with movable head and elastic band drive for tape and reels

Claim 1

A PORTABLE TAPE RECORDER COMPRISING A HOUSING HAVING COMPARTMENTS FOR A MOTOR AND A TAPE DECK, A TAPE DECK MOUNTED IN THE RESPECTIVE COMPARTMENT AND INCLUDING A SUPPORTING DECK, A CAPSTAN ROTATABLY MOUNTED ON SAID DECK AND EXTENDING TO ONE SIDE THEREOF, A RECORDING HEAD MOUNTED ON SAID DECK ADJACENT SAID CAPSTAN FOR MOVEMENT SUBSTANTIALLY PERPENDICULAR TO THE DECK, A CAM PLATE SLIDABLY MOUNTED ON SAID DECK TO THE OPPOSITE SIDE THEREOF FOR MOVEMENT PARALLEL THERETO BETWEEN SAID HEAD AND SAID CAPSTAN, SAID PLATE AND HEAD HAVING COOPERATING CAM AND CAM FOLLOWER SURFACES FOR EFFECTING MOVEMENT OF SAID HEAD PERPENDICULAR TO SAID DECK UPON MOVEMENT OF SAID PLATE PARALLEL TO SAID DECK, MEANS BIASING SAID PLATE FOR MOVEMENT IN ONE DIRECTION, AN ESCAPEMENT SURFACE ON SAID PLATE FOR CONTROLLING MOVEMENT THEREOF IN SAID ONE DIRECTION, A SHIFTABLE MEMBER MOUNTED ON SAID DECK AND INCLUDING AN ESCAPEMENT MEMBER ENGAGING SAID ESCAPEMENT SURFACE AND A PAIR OF FEELER PINS EXTENDING TO SAID ONE SIDE OF SAID DECK AT OPPOSITE SIDES OF SAID HEAD, A TAPE MAGAZINE DETACHABLY SLIPPED OVER SAID HEAD AND SAID CAPSTAN IN COOPERATIVE RELATION THERETO, SAID MAGAZINE INCLUDING A FRAME ACCOMODATING ENTRY THEREIN OF SAID HEAD AND CAPSTAN, A REEL ROTATABLY MOUNTED ON SAID FRAME TO EACH SIDE OF SAID HEAD AND CAPSTAN AND HAVING ITS PERIPHERY DISPOSED ADJACENT THE ADJACENT ONE OF SAID FEELER PINS, A TAPE WOUND ON SAID REELS AND EXTENDING BETWEEN SAID REELS AND ACROSS SAID HEAD, AND AN ELASTIC BAND STRETCHED OVER SAID REELS AND SAID HEAD IN OVERLYING RELATION TO THE TAPE, SAID BAND FRICTIONALLY ENGAGING SAID CAPSTAN TO BE DRIVEN THEREBY, EACH OF SAID REELS INCLUDING A RADIALLY APERTURED HUB AND A RADIALLY MOVABLE CAM MOUNTED IN THE HUB AND BIASED OUTWARDLY THEREOF, EACH OF SAID CAMS NORMALLY BEING RETAINED WITHIN ITS HUB BY THE TAPE WOUND ON THE RESPECTIVE REEL AND BEING BIASED OUTWARDLY OF THE RESPECTIVE REEL UPON UNWINDING OF THE TAPE THEREFROM FOR ENGAGING THE ADJACENT FEELER PIN AND MOVING SAID SHIFTABLE MEMBER TO MOVE SAID ESCAPEMENT MEMBER AND ACCOMMODATE INCREMENTAL MOVEMENT OF SAID CAM PLATE IN SAID ONE DIRECTION, AN UNDULATORY SURFACE ON SAID CAM PLATE CORRELATED TO SAID ESCAPEMENT SURFACE, A REVERSING MEMBER HAVING A FOLLOWER ENGAGING SAID UNDULATORY SURFACE FOR MOVING SAID REVERSING MEMBER UPON EACH MOVEMENT OF SAID PLATE, A REVERSIBLE DRIVE MOTOR MOUNTED IN THE RESPECTIVE COMPARTMENT AND OPERATIVELY CONNECTED TO SAID CAPSTAN FOR ROTATING THE SAME IN OPPOSITE DIRECTIONS, AND MEANS OPERATIVELY CONNECTED TO SAID REVERSING MEMBER AND SAID MOTOR FOR REVERSING THE DIRECTION OF ROTATION OF SAID CAPSTAN UPON EACH MOVEMENT OF SAID MEMBER.