Flexible clevis clutch connector for pushbutton tuner

Claim 1

In a radio receiver having tuning means for selecting the desired radio station and positioning means connected to the tuning means for positioning the same, either by manipulation of a manual tuning control or by actuation of a pushbutton mechanism, the combination including: a shaft having one end thereof coupled to the positioning means to move the same under the influence of manipulation of the manual tuning control; clutch means on said shaft and having a pressure plate frictionally connecting said shaft to the manual tuning control for manual tuning of the radio receiver and for disconnecting said shaft from the manual tuning control during actuation of the pushbutton mechanism; disengaging means connected between said clutch means and the pushbuttons of the tuner to disengage said clutch means upon actuation of a given pushbutton; and an axially flexible clevis having a first portion fixedly secured to said shaft and extending radially outwardly therefrom and a second annular portion slidably mounted on said shaft and being coupled to said pressure plate of said clutch means, said radially extending first portion of said clevis engaging said second annular portion to provide a symmetrical force on the pressure plate with respect to the shaft, whereby said clevis is axially resiliently movable upon said shaft in response to said movement of said disengaging means during actuation of the pushbutton mechanism to cause movement of said pressure plate, but remains fixed to said shaft to rotate the same upon manipulation of the manual tuning control.