Apparatus for fixing and adjusting a transducer co-acting with a guided record carrier

Claim 1

AN ADJUSTABLE MOUNT FOR A TRANSDUCER ARRANGED IN AN APERTURE OF A WALL ACROSS THE SURFACE OF WHICH A RECORD CARRIER IS ADAPTED TO BE LED TO CO-ACT WITH THE FRONT OF THE TRANSDUCER CONTAINING THE USEFUL GAP, COMPRISING: A STATIONARY WALL HAVING A NOMINAL THICKNESS AND CONTAINING A CYLINDRICAL GUIDE BORE HAVING AN AXIS AT SUBSTANTIALLY RIGHT ANGLES TO THE WALL SURFACES, SAID WALL HAVING A THRUST SURFACE CLOSE OF SAID GUIDE BORE EXTENDING BACK OF THE WALL AND BEYOND THE NOMINAL THICKNESS THEREOF, A PLATE HAVING A BEARING SURFACE, SAID PLATE CONTAINING A CYLINDRICAL PLATE BORE HAVING THE SAME DIAMETER AS THE GUIDE BORE AND AN AXIS AT SUBSTANTIALLY RIGHT ANGLES TO THE BEARING SURFACE, MEANS FOR URGING SAID BEARING SURFACE AGAINST SAID THRUST SURFACE, SAID BORES BEING ADAPTED TO RECEIVE A TRANSDUCER INTRODUCED THEREIN, FIXING MEANS PROVIDED IN SAID PLATE AND EXTENDING INTO THE PLATE BORE FOR FIXING THE POSITION OF A TRANSDUCER INTRODUCED THEREIN WITH RESPECT TO THE WALL SURFACE, AND ADJUSTING MEANS COACTING WITH THE PLATE AND STATIONARY SUPPORTS FOR ADJUSTING THE POSITION OF THE LEAD RELATIVE TO THE DIRECTION OF MOVEMENT OF THE CARRIER BY ROTATING THE PLATE ABOUT SAID AXES AND FIXING THE PLATE IN POSITION.