Sound recording and reproducing apparatus driving mechanism

Claim 1

A DRIVE MECHANISM FOR A POCKET SIZED MAGNETIC SOUND RECORDER COMPRISING A DRIVING MOTOR, A RECORDING ROLLER FOR ROLLING ENGAGEMENT WITH A RECORD CARRIER AND SECURED TO A BALANCING DISC, A BALANCING MASS DRIVEN BY SAID MOTOR AND IN FRICTIONAL ENGAGEMENT WITH SAID BALANCING DISC TO DRIVE THE RECORDING ROLLER, A PAIR OF SPINDLES FOR CARRYING TAKE-UP AND SUPPLY SPOOLS FOR THE RECORD CARRIER, A PLURALITY OF PUSH BUTTONS, A TRIP BAR HAVING A PIVOT AND PORTIONS ENGAGEABLE BY SAID PUSH BUTTONS TO TURN THE TRIP BAR, AN ARCUATELY SHAPED SWITCH LEVER PIVOTED AT ONE END TO SAID TRIP BAR AT A POINT SPACED FROM ITS PIVOT, THE FREE END OF SAID SWITCH LEVER BEING RESILIENTLY FASTENED TO PERMIT RESTRAINED MOVEMENT TO A PLURALITY OF OPERATING POSITIONS, A FRICTION DISC ROTATABLY MOUNTED ON AN INTERMEDIATE PORTION OF SAID SWITCH LEVER AND MOVABLE WITH THE FREE END OF THE LEVER TO DRIVINGLY COUPLE SAID BALANCING DISC TO ONE OR THE OTHER OF SAID SPINDLES IN CERTAIN OF THE OPERATING POSITIONS OF THE SWITCH LEVER, A PIN ON THE FREE END OF SAID SWITCH LEVER AND A RIGIDLY MOUNTED GUIDE PLATE FOR RECEIVING SAID PIN AND HOLDING THE FREE END OF THE SWITCH LEVER IN EACH OF SAID OPERATING POSITIONS WHEREBY THE MOVEMENT OF THE SWITCH LEVER AND FRICTION DISC INTO THE VARIOUS OPERATING POSITIONS INITIATED BY SAID PUSH BUTTONS IS ACCOMPLISHED BY GUIDED RECEPTION OF THE SWITCH LEVER PIN IN SAID GUIDE PLATE.