Push-button type tuning apparatus

Details Push-button type tuning apparatus Push-button type tuning apparatus

1981-10-21

1984-08-14

Staab, Lawrence J.

Machine element or mechanism

Shaft operators

Preselected position

334 7, F16N 3518, H03J 506

Patent

active

044649444

ABSTRACT:
A push-button type tuning apparatus comprises a frame consisting of a front side plate part, a rear side plate part, right and left side plate parts, and a bottom plate part, a coil case fixedly provided on the frame, a plurality of guiding members at least having one end fixed to the front side plate part of the frame and extending towards the rear side plate part, a slider capable of sliding under the guide of said guiding members provided on the guiding members, a rotatable member axially supported at both side plate parts in a rotatable state, and a plurality of push-button assemblies arranged and provided in the frame. The frame is formed from a single plate member by unitarily bending the front and rear side plate parts and the right and left side plate parts at four sides of the bottom plate part.

REFERENCES:
patent: 1676298 (1928-07-01), Stieglitz
patent: 2850202 (1958-09-01), Schneider et al.
patent: 3035566 (1958-08-01), Keeney
patent: 3634791 (1972-01-01), Yasuda et al.
patent: 3832907 (1974-09-01), Yasuda
patent: 3906806 (1975-09-01), Harlan
patent: 3947786 (1976-03-01), Gordon
patent: 4079631 (1978-03-01), Chaki

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