.~ Laterally spaced like tools with intermediate diverse tool (A, B, A) {5}
157
.~.~ Spaced non-rolling with intermediate rolling
DEFINITION
Classification: 172/157
(under subclass 155) Apparatus in which the spaced like earth working elements are of the nonrolling type and the intermediate earth working element is of the rolling or rotating type.
SEE OR SEARCH THIS CLASS, SUBCLASS:
153, for four laterally spaced tools which are successively of the rolling and nonrolling type and are alternately alike.
