(under subclass 449) Subject matter wherein a spring held in a prestressed state is utilized to cause the contact to snap.
(1) Note. The element being snapped is pivoted and there is a linkage between the snapped element and contacts to cause the contact to reciprocate in a straight line motion.
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453, for similar devices wherein the contact is pivoted or oscillates about a limited arc where the pivoted contact is normally the snapped element and corresponds to the pivoted drive element.
