US PATENT SUBCLASS 171 / 133
.~.~.~ Relatively moving separator elements (e.g., rollers)

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}
133.~.~.~ Relatively moving separator elements (e.g., rollers)

DEFINITION

Classification: 171/133

(under subclass 126) Apparatus in which the interstitial separating surface includes a plurality of individual members mounted on a support, said members having (1) different motions with respect to said support, (2) motions about different axes, or (3) any motion relative to each other, and said members being closely spaced in order to support recovered objects while dirt passes through the space between adjacent members.

(1) Note. The relatively moving members may be rotating rollers or cranked shafts.

SEE OR SEARCH THIS CLASS, SUBCLASS:

66, for ground-engaging horizontal planar separating members consisting of chain-like links.

76, for relatively moving-interdigitating separator elements adjoining a nondriven plow or earth working blade.