Crank mechansim in a pushbutton tuner

Details Crank mechansim in a pushbutton tuner Crank mechansim in a pushbutton tuner

1981-12-09

1984-08-07

Herrmann, Allan D.

Machine element or mechanism

Shaft operators

Preselected position

74 108, 74440, 334 7, H03J 512, G05G 102

Patent

active

044636199

ABSTRACT:
A crank mechanism in a pushbutton tuner is characterized in that a crank gear and a backlash preventing gear, both mounted on one associated end of crank bars of the pushbutton tuner, are formed with stepped-down portions so that teeth formed on them are positioned inward of the crank bars with respect to the base portions of the gears.

REFERENCES:
patent: 2222789 (1940-11-01), Tyzzer
patent: 2898767 (1959-08-01), Teaf
patent: 3634791 (1972-01-01), Yasuda et al.
patent: 3635097 (1972-01-01), Mears, Jr.

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