(under subclass 765) Apparatus in which the earth working element comprises at least two separate earth working or deflecting parts which are detachably connected.
SEE OR SEARCH THIS CLASS, SUBCLASS:
714+, for tools having a plurality of earth- engaging parts movable relative to one another during operation.
719, for tools having an add-on cutting or wearing edge point or surface.
722+, for symmetrical tools having separately attached wings.
725, for symmetrical tools having a separable vertical cutter at the center line thereof.
726, for symmetrical tools having separable parts joined at the line of symmetry of the tool. 736+, for tools having plural relatively adjustable earth-engaging parts.
749+, for tools having plural parts interconnected without separate fastening means.
752, for tools having separable parts wherein one of the parts is a vertical longitudinal cutting blade.
753, for tools having separable parts which interlock or interfit.
754+, for moldboard-type tools having separable parts.
772, for tools having plural separable parts and no shape of the tool parts for the earth working function being claimed.