(under subclass 68) Subject matter wherein the means for supplying the power for moving the electrodes is an electromagnet provided with a movable armature.
(1) Note. The armature is usually connected to an intermittent grip mechanism for transmitting motion of the armature to the electrode.
(2) Note. Continue the search in subclasses 67 and 77 of this class.
SEE OR SEARCH THIS CLASS, SUBCLASS:
113, for other consumable electrode discharge devices provided with an electromagnet for separating the electrodes and/or controlling the operation of the electrode feeding mechanism.
SEE OR SEARCH CLASS
74, Machine Element or Mechanism, 111, and indented subclasses, for intermittent grip mechanisms.
313, Electric Lamp and Discharge Devices,
152, for miscellaneous discharge devices which have a movable electrode and an electromagnet for moving it.
318, Electricity: Motive Power Systems,
135, for linear motor systems.
335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets,
