Datahand Systems, Inc.

Dennis Monroe

Anthony J Van Zeeland

A magnetically coupled pushbutton plunger switch is discrete and may be used with a keyboard. A post attached to magnetic armature is normally magnetically held in coupled engagement with a magnetic coupler attached to a base. The post passes through the lumen of a sleeve attached to the base such that the post, when moved up and down through the lumen, causes the magnetic armature to move in and out of the coupled engagement with the magnetic coupler. The head of a fastener used to secure the magnetic armature to the post is used in a unique way to actuate a membrane switch assembly held in spaced relation to the base. The fastener head protrudes from the bottom of the magnetic armature so that the fastener head, when the magnetic armature is forced out of coupled engagement with the magnetic coupler, physically contacts the membrane switch assembly to close electrical conductors.

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Phoenix, AZ, United States of America

Dennis Monroe