(under subclass 681) Apparatus including a member separate from the earth working element and standard and adapted to slide over the surface of the earth to act as a runner, depth gauge, or landslide.
(1) Note. The runner or gauge may be directly attached to the earth working element or standard.
SEE OR SEARCH THIS CLASS, SUBCLASS:
240+, for apparatus having a wheel or runner engageable with the ground for transport only.
360, for hand-guided or propelled implements having runners.
387+, for implements provided with runners spaced from the tools and see the definition and Notes thereof for the line. 665, for actuating means for relatively adjusting a tool and runner.
727+, for symmetrical tools having an attached runner or depth gauge.
738, for a tool and runner which are relatively adjustable.
SEE OR SEARCH CLASS
111, Planting
134+, for the combination of a gauged earth working tool and a planting device (e.g., seed depositor).
