.~ Laterally spaced like tools with intermediate diverse tool (A, B, A) {5}
156
.~.~ Spaced rolling with intermediate nonrolling
DEFINITION
Classification: 172/156
(under subclass 155) Apparatus in which the spaced like earth working elements are of the rolling or rotating type and the intermediate earth working element is of the nonrolling 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.
