(under subclass 392.1) Subject matter comprising means for pivotally holding or mounting a movable part which oscillates when the coils of the audible signalling means are energized by a current to reciprocate the striking means.
(1) Note. This subclass includes, for example, the bridge, the plate, the frame, the arm, or the yoke by which the armature is secured or supported.
SEE OR SEARCH THIS CLASS, SUBCLASS:
388.5, for armature support of diaphragm sound producers.
