(under the class definition) Apparatus in which the unearthing apparatus includes a disassociating means which, in operating position, is generally horizontal and planar and which is adapted to be dragged through or along the ground and formed of a plurality of interconnected links joined for horizontal and vertical movement relative to each other whereby said disassociating means will agitate and set apart the desired objects from the earth.
SEE OR SEARCH THIS CLASS, SUBCLASS:
78, for other planar separators which are pivoted to a leading plow or blades and which trail on the ground.
133, for earth excavating plows or blades having a separator
consisting of a plurality of relatively moving elements.