Keyboard switch for desk top electronic calculators

摘要

There is provided a keyboard switch for desk top electronic calculators in which a conductive member and a plurality of tubular resilient means are disposed between fixed electrode means formed on a printed circuit board and a plurality of key buttons, whereby the positive contacting action between the fixed electrode means and the conductive member by the operated key button and the self-restoration of the operated key button are ensured by the associated tubular resilient means.