Fine tuning coupling apparatus for a television receiver

Claim 1

IN A TELEVISION RECEIVER HAVING AN ENCLOSURE, A PROGRAM CHANNEL TUNING APPARATUS POSITIONED WITHIN SAID ENCLOSURE, SAID PROGRAM CHANNEL TUNING APPARATUS INCLUDING MEANS FOR SELECTING A DESIRED ONE OF MULTIPLE PROGRAM CHANNELS AND MEANS FOR FINE TUNING A SELECTED PROGRAM CHANNEL, A PROGRAM CHANNEL SELECTOR DRIVE SHAFT ROTATABLY MOUNTED AND COUPLED TO SAID PROGRAM CHANNEL SELECTING MEANS, AN ANNULAR INDICATOR DISK HAVING FORWARD AND REARWARD SURFACES MOUNTED WITHIN SAID ENCLOSURE ON SAID PROGRAM SELECTOR DRIVE SHAFT AND ROTATABLE THEREWITH, SAID DISK INCLUDING MEANS FOR PROVIDING AN INDICATION OF A PROGRAM CHANNEL SELECTED, MEANS FOR VIEWING SAID INDICATION FROM WITHOUT SAID ENCLOSURE, THE MEANS FOR COUPLING AN OPERABLE FORCE TO SAID FINE TUNING MEANS COMPRISING: A COMPOSITE TUBULAR FINE TUNING DRIVE SHAFT, SAID FINE TUNING DRIVE SHAFT POSITIONED CONCENTRICALLY WITH AND ABOUT SAID PROGRAM CHANNEL SELECTOR DRIVE SHAFT AND INDEPENDENTLY ROTATABLE, MEANS FOR COUPLING SAID COMPOSITE FINE TUNING DRIVE SHAFT OT SAID FINE TUNING MEANS, MEANS FOR COUPLING A ROTATIONAL FINE TUNING ADJUSTING FORCE TO SAID FINE TUNING DRIVE SHAFT, SAID COMPOSITE FINE TUNING DRIVE SHAFT INCLUDING INDICATOR DISK CIRCUMVENTING MEANS FOR COUPLING SAID ROTATIONAL FINE TUNING DRIVE FORCE FROM A SEGMENT OF SAID FINE TUNING DRIVE SHAFT FORWARD OF SAID DISK FORWARD FACE TO A SEGMENT REARWARD OF SAID DISCK REARWARD FACE AND PROVIDING UNOBSTRUCTED VIEWING OF SAID INDICATION OF A SELECTED PROGRAM CHANNEL FROM WITHOUT SAID ENCLOSURE.