Leaf string type double-throw contact assembly

Abstract From the Canadian patent

The field of art to which the invention pertains includes the field of miniature relays and electrical switches wherein reliable contact without substantial contact bounce is important. Known double-throw contact assemblies have the disadvantages that when contact is made it is done so in a more or less uncontrollable manner. Accordingly for such known contact assemblies an extensive adjustment procedure is necessary in order to provide a contact force sufficient for insuring a good contact resistance. A further disadvantage of such double-throw contacts resides in the fact that) in the contacting position, the armature or actuator member is in engagement with the flexible arm, thereby …