(under subclass 35) Apparatus in which a tooth or like earth working part or portion is mounted on a flexible or articulated member which is driven in a closed path or circuit relative to a frame upon which said tooth, part, or portion and member are supported.
(1) Note. The flexible or articulated member is generally a chain or endless belt type carrier to which the tooth, part, or portion is immovably fixed while said tooth, part, or portion is actually in ground engagement, but said tooth, part, or portion may move slightly as said carrier moves around gears, pulleys, or otherwise changes its direction in its closed path.
SEE OR SEARCH THIS CLASS, SUBCLASS:
23, for earth working elements towed across a field from a fixed traction point by a flexible member.
91+, for blades which are movably mounted on belts or chains.
542, for rolling, rotating, or orbitally moving nondriven endless belts or chains having teeth or blades thereon. SEE OR SEARCH CLASS
171, Unearthing Plants or Buried Objects,
94, for unearthing unit carried by an endless flexible member.
175, Boring or Penetrating the Earth,
89+, for an earth boring device including a tool element on a continuously driven flexible or articulated endless member.
305, Wheel Substitutes for Land Vehicles,
187+, for an endless flexible track for a land vehicle, said track having detachable cleats for penetrating the ground to secure better traction for the track.
