.~ Plural rotary or oscillatory surfaces cooperate with common surface (e.g., chasing mills) {9}
113
.~.~ Plural surface cooperate with each other
DEFINITION
Classification: 241/113
(under subclass 107) Apparatus in which the plural surfaces cooperate with each other as well as the common surface to perform the comminuting function.
SEE OR SEARCH THIS CLASS, SUBCLASS:
111+, for devices in which the plural surfaces cooperate with the outer periphery of the common surface and in addition cooperate with each other.
143+, 158+ and 227+, for other devices embodying plural roll members which cooperate to comminute.
170+, for devices in which a plurality of loose comminuting bodies cooperate with each other and a common surface to effect the comminution.
