Class Information
Number: 172/84
Name: Earth working > With drive means for tool or cleaner > Simultaneously reciprocating and oscillating blade having elongated shank
Description: Apparatus in which the earth working element comprises at least one tooth which has an earth-engaging portion and an elongated shank portion said earth-engaging portion having an oscillating motion about a point and the point itself having a component of motion generally parallel to or coinciding with the longitudinal axis of the shank in addition to the motion imparted to it by the traverse of the apparatus over the ground whereby the motion of the earth-engaging portion may be analyzed as a reciprocation in directions generally longitudinally of the shank and also an oscillation in directions generally transversely of the shank.
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