(under the class definition) Handling devices for rotating a discrete article about an axis of rotation passing through such article by peripheral contact thereof with means having rotary motion about its own axis of revolution and without transfer of such article from such means to another similar means.
(1) Note. A discrete article is one which is not a part of the apparatus and one which is of constant shape and moves as a whole without relative motion of its parts.
SEE OR SEARCH THIS CLASS, SUBCLASS:
403+, for a device for emptying a portable receptacle.
426+, for wheel and wheel-type handlers which include means for rotating same while being removed from or placed on an axle.
431+, for apparatus for rotating and advancing an elongated article along its axis by means engaging the article between its ends.
SEE OR SEARCH CLASS
198, Conveyors: Power-Driven, 373+, for a conveyor for changing the attitude of an item relative to its conveyed direction.
242, Winding, Tensioning, or Guiding,
541+, for a convolute winding machine with a particular peripheral roll drive, subclass 564.5 for an unwinding machine with a particular peripheral roll drive.
384, Bearings,
548, for nonpowered roller anti-friction elements.
451, Abrading,
397+, for a work holder for an abrading machine which rotates
