(under subclass 68) Subject matter wherein the control of the application of power to the electrodes for feeding is secured by controlling the power transmission means.
(1) Note. This subclass includes arrangements for controlling a clutch interposed in the transmitting mechanism between the power source and the electrode.
(2) Note. Continue the search in subclass 61 of this class.
(3) Note. For power transmission control generally search classes: 74, Machine Element or Mechanism. 188, Brakes. 192, Clutches and Power-Stop Control.
