Tuning apparatus

Claim 1

A TUNING MECHANISM FOR AN ULTRA HIGH FREQUENCY WAVE SIGNAL TUNER HAVING MOVABLE TUNING ELEMENTS, SAID TUNING MECHANISM INCLUDING IN COMBINATION, ROTATABLE MEANS FOR POSITIONING THE MOVABLE TUNING ELEMENTS, A PLURALITY OF PUSHBUTTON OPERABLE SLIDE ASSEMBLIES ENGAGEABLE WITH SAID ROTATABLE MEANS FOR POSITIONING THE SAME ACCORDING TO A PREDETERMINED SETTING OF EACH OF SAID ASSEMBLIES, A TUNER GEAR FOR POSITIONING SAID ROTATABLE MEANS AND CLUTCH MEANS COUPLED BETWEEN SAID ROTATABLE MEANS AND SAID TUNER GEAR TO DISENGAGE THE SAME UPON OPERATION OF SAID PUSHBUTTON, FIRST AND SECOND MUTUALLY CONCENTRIC WORMS IN THREADED ENGAGEMENT WITH EACH OTHER, SAID SECOND WORM BEING IN THREADED ENGAGEMENT WITH SAID TUNER GEAR WITH THE THREADS ENGAGING SAID SECOND WORM AND THE TUNER GEAR BEING OF SUBSTANTIALLY GREATER PITCH THAN THE PITCH OF THE THREADS ENGAGING SAID FIRST AND SECOND WORMS, A MANUALLY ROTATABLE CONTROL SHAFT AND MEANS COUPLING THE SAME TO SAID FIRST WORM FOR ROTATING THE SAME, AND STOP MEANS ON SAID MEANS FOR ROTATING SAID FIRST WORM FOR ENGAGING SAID SECOND WORM AND TURNING SAID SECOND WORM WITH SAID FIRST WORM AS A SINGLE UNIT, THEREBY COARSE TURNING THE TUNER BY ROTATING THE TUNER GEAR THROUGH ROTATION OF SAID SECOND WORM, SAID STOP MEANS BEING DISENGAGED FROM SAID SECOND WORM FOR A GIVEN AMOUNT OF ROTATION OF SAID FIRST WORM IN AN OPPOSITE DIRECTION AND PERMITTING SAID FIRST WORM TO TURN RELATIVE TO SAID SECOND WORM TO DRIVE SAID SECOND WORM AXIALLY WITH RESPECT TO SAID FIRST WORM, THEREBY FINE TUNING THE TUNER BY ROTATING THE TUNER GEAR THROUGH AXIAL MOVEMENT OF SAID SECOND WORM.