US PATENT SUBCLASS 83 / 817
.~.~.~ And angular relationship of axes

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}
817.~.~.~ And angular relationship of axes

DEFINITION

Classification: 83/817

(under subclass 816) Device including means to adjust the relative angle between said axes.