Guide and key assembly for a pushbutton radio receiver

Details Guide and key assembly for a pushbutton radio receiver Guide and key assembly for a pushbutton radio receiver

1974-12-31

1976-04-06

Scott, Samuel

Machine element or mechanism

Shaft operators

Preselected position

74 1029, 74 1035, 334 7, F16H 3518

Patent

active

039481085

ABSTRACT:
Upon pushbutton depression, a face in the key slot of a button slide forcibly engages the T lug extending from a tuner slide, thereby translating the tuner slide. Coupled to the tuner slide is a memory cam the angular position of which is presettable, corresponding to a desired receiver tuning. The cam is forced to engagement with a tuning mechanism which senses the angular position of the cam and tunes the receiver accordingly. The face is predeterminedly curved, and the vertical height of the slot so dimensioned, to decouple vertical deflections of the button slide from the tuner slide, thus minimizing deviations of the cam from its preselected position. When mounted in a chassis, the chassis is provided with a guide detail which further minimizes vertical deflection of the tuner slide.

REFERENCES:
patent: 2266711 (1941-12-01), Crosby et al.
patent: 2310003 (1943-02-01), Wells
patent: 3680394 (1972-08-01), Thompson
patent: 3835713 (1974-09-01), Olah
patent: 3854342 (1974-12-01), Smith

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