US PATENT SUBCLASS 40 / 524
.~ Endless conveyor


Current as of: June, 1999
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40 /   HD   CARD, PICTURE, OR SIGN EXHIBITING

446  DF  CHANGING EXHIBITOR {25}
524.~ Endless conveyor {4}
525  DF  .~.~> Driven by frictional contact
526  DF  .~.~> Hinged leave
527  DF  .~.~> Radial leave
528  DF  .~.~> Clutch take-up


DEFINITION

Classification: 40/524

Endless conveyor:

(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.