Mechanism for preventing the simultaneous locking of push button

Details Mechanism for preventing the simultaneous locking of push button Mechanism for preventing the simultaneous locking of push button

1980-09-05

1982-06-29

Scott, James R.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

200 50C, 200328, H01H 920

Patent

active

043373828

ABSTRACT:
A locked-type push-button device which has a plurality of push buttons and only one of the push buttons can be locked in the depressed state when it is depressed. A mechanism includes a cam for preventing the simultaneous locking of two adjacent push buttons, which has nearly a semicircular shape in cross section. The cam has notches at positions corresponding to the positions of the push buttons, and the notches each have a width greater than the width of the respective push buttons. The notches are alternately arrayed on opposite sides of the cam, and is thus urged to turn in the opposite directions when it is depressed by the neighboring push buttons.

REFERENCES:
patent: 3706863 (1972-12-01), Britton et al.
patent: 3745268 (1973-07-01), Barker et al.
patent: 3952175 (1976-04-01), Golbeck et al.
patent: 3970806 (1976-07-01), Distler

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