Mechanism for preventing the simultaneous locking of...

Details Mechanism for preventing the simultaneous locking of... Mechanism for preventing the simultaneous locking of...

H - Electricity

01

H

306/278

H01H 9/24 (2006.01) H01H 9/26 (2006.01) H01H 13/72 (2006.01) H01H 21/22 (2006.01)

Patent

CA 1135310

Abstract of the Disclosure 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 cam 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.

359835

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