(under subclass 352) Apparatus wherein the cutting or breaking device is in the form of a series of elements connected to one another in a continuous loop to hold and feed the excavated material.
SEE OR SEARCH THIS CLASS, SUBCLASS:
326+, for miscellaneous endless digger or details thereof.
338+, for an endless digger used in dredging.
SEE OR SEARCH CLASS
198, Conveyors: Power-Driven,
509, for a conveyor section having buckets specialized to gather load batches; subclasses 703+ for a conveyor section having means to facilitate loading or discharging load from the bucket.