(under subclass 446) Apparatus wherein a cutting implement is adapted to be disassembled and reassembled in a different position so that a different portion of the cutting implement can be used to directly engage the material to be excavated. [figure] [caption]A - Bucket bottom plate; B - Removable digging edge; C - Integral adaptor; D - Retaining means; E - Retaining means; F - Digging teeth
(1) Note. Included in this subclass are patents having digging implement which is adjustably positioned in a variety of positions or can be easily interchanged to provide various cutting edge contours by rotation through 180 degrees or reattachment.
(2) Note. After the digging edge has received a desired degree of wear, its operating position on the base member may be reversed so as to present a fresh or unworn surface so that the life of the digging edge will be effectively prolonged.
SEE OR SEARCH CLASS
172, Earth Working,
702+, for a tool or standard wherein a part of the tool may have its position changed through 180 degrees for the purpose of presenting a new wear portion or edge of the tool or for adjusting the position of some part of the tool.
