US PATENT SUBCLASS 171 / 116
.~.~ Rotary

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

111  DF  EARTH REMOVAL AND SEPARATION {8}
114  DF  .~ With impeller or clod breaker for excavator or separator {4}
116.~.~ Rotary

DEFINITION

Classification: 171/116

(under subclass 114) Apparatus in which the impeller or breaker means is journalled for movement in a closed circular path.

SEE OR SEARCH THIS CLASS, SUBCLASS:

85, and 101, for rotary impellers arranged to move material along a separating surface consisting of a portion of a separating digger.

113, for rotary impellers which have spirally arranged longitudinally conveying screw means.

115, for transversely moving rotary impellers or clod breakers.