US PATENT SUBCLASS 83 / 815
.~.~ Including means to retard undriven pulley or sprocket

Current as of: June, 1999
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83 /   HD   CUTTING

788  DF  BY ENDLESS BAND OR CHAIN KNIFE {10}
814  DF  .~ With means to guard the tension {2}
815.~.~ Including means to retard undriven pulley or sprocket

DEFINITION

Classification: 83/815

(under subclass 814) Device provided with a nondriving, tool-engaging, wheellike member, drum, or toothed wheel and means to impede the normal rotation of the member, drum, or wheel.