(under subclass 349) Device wherein the advancing means comprises an elongated member (e.g., rod or bar) connected to the platen; reciprocating means engaging at least opposite sides of said member to grip and advance said member for one stroke and release and slide along said member on the return stroke, which means is actuable for a series of reciprocations to effect a series of advances; and means for retaining the elongated member in each of the advanced positions of the series.
SEE OR SEARCH THIS CLASS, SUBCLASS:
355, for clutch-actuated mechanism to move a line indicator relative to copy which is held stationary on the copy holder.
SEE OR SEARCH CLASS
254, Implements or Apparatus for Applying Pushing or Pulling Force,
106+, for a device wherein a load is moved by a step-by-step traveling bar actuated by reciprocating clutch means; and see the search notes thereto.