US PATENT SUBCLASS 83 / 804
.~.~ With adjustment of separation between zones

Current as of: June, 1999
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83 /   HD   CUTTING

788  DF  BY ENDLESS BAND OR CHAIN KNIFE {10}
803  DF  .~ Including plural cutting zones {3}
804.~.~ With adjustment of separation between zones {2}
805  DF  .~.~.~> By lever means
806  DF  .~.~.~> By screw-threaded means

DEFINITION

Classification: 83/804

(under subclass 803) Device including means associated with the tool at each cutting span for varying the spacing between spans.