US PATENT SUBCLASS 19 / 261
.~.~.~.~ Roll-spacing adjusting

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}
260  DF  .~.~.~ Including changing roll speed or location {1}
261.~.~.~.~ Roll-spacing adjusting

DEFINITION

Classification: 19/261

(under subclass 260) Method and apparatus wherein the change of the roll spacing is the relocation of one cooperating roll pair of a drafting frame with respect to another roll pair of the frame.

(1) Note. The patents placed herein usually disclose the relocation of the roll pairs in order to permit drafting of fibers of variable length.