US PATENT SUBCLASS 111 / 126
.~.~ Moldboard opener


Current as of: June, 1999
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111 /   HD   PLANTING

118  DF  LIQUID OR GAS SOIL TREATMENT {6}
120  DF  .~ Drilling machines (i.e., furrow opener) {5}
126.~.~ Moldboard opener


DEFINITION

Classification: 111/126

Moldboard opener:

(under subclass 120) Apparatus wherein the opening element includes a landside which has a member adapted to slide over the soil to receive the side pressure caused by soilworking, a point for making an initial cut in the earth, a share for making a substantially horizontal cut beneath the surface to cut a slice of soil, and a board to guide and completely invert the soil slice.

SEE OR SEARCH CLASS

37, Excavating,

366+, for similar ditching-type excavation plows.

172, Earth Working,

754, for moldboard openers, per se.