US PATENT SUBCLASS 83 / 818
.~.~.~ Including means to yieldably bias pulley


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}
816  DF  .~.~ With means to vary distance between pulley or sprocket axes {2}
818.~.~.~ Including means to yieldably bias pulley {1}
819  DF  .~.~.~.~> By fluid means


DEFINITION

Classification: 83/818

(under subclass 816) Device wherein a wheel-like member is continuously subjected to a force tending to move its axis.

(1) Note. A weight acted on by gravity is considered to be a biasing force.