Popout control assembly for radios

Details Popout control assembly for radios Popout control assembly for radios

1998-02-27

1999-10-19

Luebke, Renee S.

Electricity: circuit makers and breakers

Solid contact

Push button operated

74553, 200566, 200526, H01H 1914

Patent

active

059673010

ABSTRACT:
A radio keyboard supports a potentiometer on its rear surface and a popout control in the front surface. The control includes a housing between the keyboard and the radio trim plate, inner and outer stationary cams, and a rotatable cam follower on a shaft which controls the potentiometer. The cams index the cam follower each time a knob on the shaft outer end is depressed. The cams alternately hold the follower and the shaft in retracted and extended position.

REFERENCES:
patent: 3100404 (1963-08-01), Boeddeker et al.
patent: 3512427 (1970-05-01), Metcalf
patent: 3557637 (1971-01-01), Tomczak
patent: 4365231 (1982-12-01), Nishioka
patent: 5384442 (1995-01-01), Danner

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