Improvements in the switching mechanisms by keyboard, characterized essentially by having on the same immovable set, a series of switches independent of each other, of the keyboard type, which are connected through a switch also keyboard, which the general ignition of the apparatus where the assembly is applied, comprising, arranged to be operated by a key, a switch formed by two swinging branches, by effect of an intermediate core slidable in a slit in the bottom of the carrier part thereof, presenting the branches at their free ends the movable contacts, operatively arranged so that in the most spaced position of the branches, they close the circuit when they are attached to the respective fixed contacts. (Machine-translation by Google Translate, not legally binding)
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