US PATENT SUBCLASS 19 / 293
.~.~.~ Gear or friction driving

Current as of: June, 1999
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19 /   HD   TEXTILES: FIBER PREPARATION

65 R  DF  WORKING {8}
236  DF  .~ Drafting {7}
258  DF  .~.~ Roll type {9}
293.~.~.~ Gear or friction driving

DEFINITION

Classification: 19/293

(under subclass 258) Method or apparatus wherein the drive of the drafting or feed rolls is accomplished through a system of gearing or through contact of a nondriven roll with a driven roll.

SEE OR SEARCH CLASS

74, Machine Element or Mechanism,

325+, for speed changing means.

474, Endless Belt Power Transmission Systems or Components, appropriate subclasses for belt and pulley power transmission.

475, Planetary Gear Transmission Systems or Components, for planetary gear transmission.

476, Friction Gear Transmission Systems or Components, for friction gear transmissions.