Pushbutton tuner

Details Pushbutton tuner Pushbutton tuner

1978-07-13

1980-02-26

Schroeder, Werner H.

Machine element or mechanism

Shaft operators

Preselected position

334 7, F16H 3518

Patent

active

041899490

ABSTRACT:
The pushbutton tuner comprises a plurality of pushbutton assemblies arranged side by side parallel to each other. Each pushbutton assembly carries an abutment supporting member onto which there are provided two abutment members. Each abutment supporting member is mounted rotatably and angularly adjustable on the corresponding pushbutton assembly, and can be locked to any desired angular position with respect to the longitudinal axis of the pushbutton assembly. Whenever a pushbutton assembly is pushed inwardly for the selection of a desired predetermined broadcast frequency, firstly one of the said two abutment members abuts against an inclined edge of a V-shaped notch provided on the longitudinal side of a control bar operatively associated to the tuner group of the radio set, thus promoting the shifting of the said control bar in its longitudinal direction, until the second one of the said abutment members abuts against the other inclined edge of the said V-shaped notch of the control bar, thus stopping the movement of the control bar itself. The two abutment members act on the inclined edges of the V-shaped notch with thrust components which are equal and opposed.

REFERENCES:
patent: 3247728 (1966-04-01), Wolf et al.
patent: 4030052 (1977-06-01), Pelletier
patent: 4133214 (1979-01-01), Cicala

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