(under subclass 57) Subject matter provided with power means for feeding the electrode.
(1) Note. In the devices in this subclass the electrodes may be manually operated in case of failure of the power means, or the position of the electrodes may be adjusted manually to compensate for nonuniform feeding by the power means.
SEE OR SEARCH CLASS
74, Machine Element or Mechanism, appropriate subclasses, especially
625, for mechanism of general application for operation by either manual or power means.
