(under subclass 185) Subject matter wherein the significant contact actuating structure includes spring biasing means whereby the movable contact or contacts are positively biased toward one of two positions independently of the armature means. The biasing may be toward either the open or closed position and is operative to assist an armature or other actuating means in the opening or closing operation.
SEE OR SEARCH THIS CLASS, SUBCLASS:
15+, for automatic circuit interrupting devices including biasing or pressure control means.
157+, for switches with operation inhibiting means.
193, for contact bounce, chatter or vibration preventing means.
194+, for contact pressure maintaining or adjusting means. SEE OR SEARCH CLASS
307, Electrical Transmission or Interconnection Systems,
142, for miscellaneous switches with locking, holding or breaking means.
361, Electricity: Electrical Systems and Devices,
194, for relay systems having relays with contact holding or locking means.
