Pushbutton-operated waveband or station selector

Details Pushbutton-operated waveband or station selector Pushbutton-operated waveband or station selector

1982-01-20

1984-09-04

Herrmann, Allan D.

Machine element or mechanism

Shaft operators

Preselected position

74 108, 192 89A, 334 7, H03J 512, H03J 108, F16D 1344

Patent

active

044689764

ABSTRACT:
A pushbutton-operated waveband or station selector or tuner, comprising a front panel to which a bracket for each pushbutton is supported perpendicular thereto so as to be movable to-and-fro, said pushbutton being provided with a push piece for kick arm and a setting plate which can engage a pivoting crank, the kick arm being disposed on the rear side of said front panel parallelly thereto, so that it is pivotable with respect to right and left side plates of the apparatus. At the rear of said kick arm, there is disposed the pivoting crank (31) which is mounted at the opposite ends thereof so as to be pivotable with respect to the frame side plate, and above said pivoting crank there is movably supported a core slide which is coupled with said pivoting crank, said core slide having mounted on the rear portion thereof a plurality of cores directed toward the rear side of the apparatus, these cores each being inserted into a movable to-and-fro in a respective tuning coil disposed at the rear of the apparatus. A tuning shaft is supported above the pushbutton on the front panel, a clutch mechanism is disposed at the rear of the apparatus, a pinion interlocked with the tuning shaft is in mesh with a crown gear of said clutch mechanism, while a gear provided on said pivoting crane is in mesh with the clutch gear of the clutch mechanism, and a clutch lever of this clutch mechanism is engaged with said kick arm.

REFERENCES:
patent: 3947786 (1976-03-01), Gordon
patent: 3995242 (1976-11-01), Chaki
patent: 4079631 (1978-03-01), Chaki
patent: 4262547 (1981-04-01), Kanai et al.
patent: 4348911 (1982-09-01), Tanaka et al.

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