US PATENT SUBCLASS 34 / 121
.~.~.~.~ Mounting and/or driving means

Current as of: June, 1999
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34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

523  DF  APPARATUS {40}
108  DF  .~ Rotary drums or receptacles {7}
110  DF  .~.~ External {6}
113  DF  .~.~.~ Plural {5}
121.~.~.~.~ Mounting and/or driving means

DEFINITION

Classification: 34/121

(under subclass 113) Apparatus including drum mounting and/or driving means.

(1) Note. See Class 475, Planetary Gear Transmission Systems or Components, appropriate subclasses, for plural loads

driven by planetary gearing.

SEE OR SEARCH THIS CLASS, SUBCLASS:

113, for plural drum arrangements where the drum mounting or drive is conventional.

SEE OR SEARCH CLASS

74, Machine Element or Mechanism, appropriate subclasses, particularly 650, and 665+.