(under subclass 99) Subject matter wherein the structure includes means whereby at least one element of the device, or some operating characteristic is adjustable either at will or permanently, the extent of movement of either the armature or the movable contact is adjusted or regulated, or whereby the speed of such movement is controlled.
SEE OR SEARCH THIS CLASS, SUBCLASS:
67, for retarded or delayed type switches with adjustable or regulatable features.
86, for polarity responsive switches with regulating means.
90, for periodic switch with adjustable vibrating element.
132, for multiple contact type with adjustable or replaceable structure. 144, for electromagnetically combined with electrothermal actuator and having means to position or adjust the armature.
197, for adjustable or readily detachable contact structure.
212, 250, 273, 287, 295, and 298, for various electromechanical motive devices or holding magnets with adjustable features.
SEE OR SEARCH CLASS
200, Electricity: Circuit Makers and Breakers,
170, for nonmagnetically actuated switches with contact pressure adjusting means.
361, Electricity: Electrical Systems and Devices,
206, for relay systems having relays with contact pressure increasing means.