.~ Plural tool groups relatively vertically movable because of operation {9}
629
.~.~ Three or more laterally spaced groups
DEFINITION
Classification: 172/629
(under subclass 619) Apparatus in which there are at least
three earth working element groups so disposed laterally one of the other that during operation each group traverses a longitudinal path which is transversely spaced from the path of the other.
SEE OR SEARCH THIS CLASS, SUBCLASS:
623, for groups of tools abreast and in tandem which may have three or more laterally spaced groups.
624+, for two or more groups of tools connected to a forward transverse draft bar.