(under subclass 463) Apparatus including cutting or breaking implements adapted to drag the material during the excavating operation and do not have any bottom and side walls to hold the excavated material. [figure] [caption]A - Tractor or prime mover; B - Digging teeth (nonbucket-type); C - Endless chain; D - Ground ; E - Ditch; F - Sprockets
SEE OR SEARCH THIS CLASS, SUBCLASS:
332, for an endless driven digging elements for a dredger.
352, for a ditcher with an endless digging means.
388, for a road grader having a transverse endless scraper.
SEE OR SEARCH CLASS
198, Conveyors: Power-Driven,
519, for a conveyor section having means which enables the section's conveying member to engage and to remain in contact with the surface of a mound or loose material.