.~ Plural impact bars vertically spaced in impact plane {2}
147
.~.~ Impact bars intersect in the impact plane
DEFINITION
Classification: 293/147
Impact bars intersect in the impact plane:
(under subclass 146) Device in which a plurality of the vertically spaced impact bar means are designed to lay in a crossed relation in the impact plane.
(1) Note. The bars may or may not be interconnected at point where crossed.