US PATENT SUBCLASS 15 / 305
.~.~.~.~ Tumbling cylinders or cages

Current as of: June, 1999
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15 /   HD   BRUSHING, SCRUBBING, AND GENERAL CLEANING

3  DF  MACHINES {11}
300.1  DF  .~ With air blast or suction {26}
301  DF  .~.~ Fixed position cleaners or installed cleaning systems {6}
303  DF  .~.~.~ With work handling or supporting {4}
305.~.~.~.~ Tumbling cylinders or cages

DEFINITION

Classification: 15/305

(under subclass 303) Cleaning apparatus in which the work is tumbled about within a drum or cage which is mounted for rotation on a horizontal or inclined axis.

(1) Note. The drum or cage may have vanes or the like to cause circulation or movement of air in contact with the contained work.

SEE OR SEARCH CLASS

34, Drying and Gas or Vapor Contact With Solids,

108+, for rotary drum driers.

68, Textiles: Fluid Treating Apparatus,

20, for tumbler type textile washing machines including air drying. 69, Leather Manufactures,

30, for rotary drum fur fluid treating apparatus.

131, Tobacco,

305, for rotary drum tobacco fluid treating apparatus.

209, Classifying, Separating, and Assorting Solids,

295, for rotating drum sifters with pneumatic agitation means.

451, Abrading,

326+, for a rotary drum tumbling device for abrading.