Tape transport control mechanism

Claim 1

IN A TRANSDUCING APPARATUS HAVING MEANS FOR FORWARD AND REVERSE SEARCHING WHEREIN A TAPE IS TRANSPORTED BETWEEN TWO REELS, THE COMBINATION COMPRISING A FRAME, A ROTATING DRIVE ROLLER, A SUPPLY REEL ROLLER AND A TAKEUP REEL ROLLER EACH OF WHICH ARE ROTATABLY MOUNTED ON SAID FRAME AND ARE CONNECTED TO A SPINDLE ADAPTED TO SUPPORT A REEL, AT LEAST ONE OF SAID REEL-SUPPORTING ROLLERS BEING FORMED OF MATERIAL HAVING A RELATIVELY HIGH COEFFICIENT OF FRICTION, A RING FORMED OF RUBBER-LIKE HIGH COEFFICIENT OF FRICTION MATERIAL BEING PLACED AROUND THE OUTER PERIPHERY OF SAID REEL-SUPPORTING ROLLER TO FORM A DRIVE SURFACE ON THE PERIPHERY THEREOF, MEANS AFFORDING A FRICTIONAL DRIVING CONNECTION BETWEEN SAID DRIVE ROLLER AND SAID RING, AND ACCELERATION LIMITING MEANS COMPRISING A BAND OF MATERIAL HAVING A LOW COEFFICIENT OF FRICTION SURFACE BEING DISPOSED BETWEEN SAID REEL-SUPPORTING ROLLER AND SAID RING DECREASING THE FRICTIONAL CONTACT BETWEEN SAID RING AND SAID REEL-SUPPORTING ROLLER TO RELIEVE THE SHOCK ON THE TAPE TO AN AMOUNT BELOW THAT WHICH WOULD DELETERIOUSLY AFFECT THE TAPE WHEN SAID MEANS AFFORDING A DRIVING CONNECTION IS ACTUATED PLACING SAID ONE OF SAID REEL-SUPPORTING ROLLERS IN FRICTIONAL DRIVING CONTACT WITH SAID DRIVE ROLLER.