(under subclass 77) Amusement device wherein the means to move or relocate a movable stage scenery element, drape, or screen comprises a mechanically operated means to raise, lower, rearrange, or otherwise move the stage scenery element, drape, or screen from one position to another position.
SEE OR SEARCH THIS CLASS, SUBCLASS:
77, for a movable stage scenery element which is merely pulled or moved along a track.
SEE OR SEARCH CLASS
254, Implements or Apparatus for Applying Pushing or Pulling Force,
264+, for apparatus for hauling or hoisting a load including a driven device which contacts and pulls on a cable.