US PATENT SUBCLASS 171 / 76
.~.~ Relatively moving interdigitated sets

Current as of: June, 1999
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171 /   HD   UNEARTHING PLANTS OR BURIED OBJECTS

71  DF  PLOW OR BLADE CONTINGUOUS TO VIBRATING SEPARATOR {9}
75  DF  .~ Plural separator sets of with articulated elements {1}
76.~.~ Relatively moving interdigitated sets

DEFINITION

Classification: 171/76

(under subclass 75) Apparatus which include plural separating surfaces, at least one of which is movably mounted for a motion which is not imparted to another one of said surfaces, said surfaces being provided with elements which interfit so that alternate elements are part of one separator while the intermediate elements are part of the other separator.