(under subclass 29) Apparatus in which the cutter teeth move through a path unidirectionally in a plane which is substantially vertical.
SEE OR SEARCH THIS CLASS, SUBCLASS:
55+, for a vertical cutter tooth orbit rotary cutter head with advance direction coincident to rotary axis.
63, for a machine having an endless loop or rotary chunk severing cutter, the teeth of which generally circulate or rotate in a vertical orbit.
72, for a machine having a cutter which is swiveled to supporting structure to permit the cutter to operate as a vertical or horizontal cutter tooth or bit cutter.
73+, for a machine having a cutter bodily movable in a horizontal plane, which may be a vertical cutter tooth orbit cutter.
76, for a machine having a cutter bodily movable in a vertical plane, generally a vertical cutter tooth orbit cutter.