US PATENT SUBCLASS 171 / 130
.~.~.~ Plural, successive, endless belt type


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

111  DF  EARTH REMOVAL AND SEPARATION {8}
124  DF  .~ Moving conveyer, digger or separator {3}
126  DF  .~.~ Moving open separator or separating conveyer {7}
130.~.~.~ Plural, successive, endless belt type


DEFINITION

Classification: 171/130

(under subclass 126) Apparatus in which a number of reticulated separating surfaces formed of continuous endless belts, bands or flights are disposed in such relative positions that objects carried by one belt, band or flight are deposited on the next belt, band or flight in sequence.

(1) Note. The successive belts are usually inclined with the outlet area of one belt disposed above the inlet area of the next so that the fall of the object from one to the other is utilized to assist in the separation.