(under subclass 446) Device wherein the display item is sequentially or selectively moved to a point of exposure by means joined to itself (e.g., endless chain, belt, web, etc.), which means is or serves to support the display item.
SEE OR SEARCH THIS CLASS, SUBCLASS:
118, for endless calendars.
472, for this subject matter in combination with a motor operator.
477+, for this subject matter in combination with a hydraulic or pneumatic operator.
483, for this subject matter in combination with an axle operator.
SEE OR SEARCH CLASS 242, Winding, Tensioning, or Guiding,
325+, for winding an web from a endless spool.
474, Endless Belt Power Transmission Systems or Components, particularly
202+, for a positive drive belt; and subclasses 237+ for a friction drive belt.
