Removable tool portion (e.g., replaceable cutting or wearing element for tool):
(under subclass 681) Apparatus wherein the earth-engaging portion of the tool is separable and replaceable.
(1) Note. Many of the patents included herein disclose a tool having a portion adapted to be removed and replaced by a corresponding portion when worn or damaged.
SEE OR SEARCH THIS CLASS, SUBCLASS:
701.1+, for transversely elongated blades having separable parts.
745, for tools having parts which are welded together.
769, for tools of specific earth working shape having separable parts, and see the search notes therein for other tools having separable parts.
SEE OR SEARCH CLASS 37, Excavating,
450, for a removable cutting edge or tooth to be used on an excavating machine of the type found in Class 37.
