.~ Disks pivoted on vertical axes with interconnected means for moving them indentically
DEFINITION
Classification: 172/569
(under subclass 518) Apparatus in which the rolling or rotating earth working elements are generally circular
platelike members said members being parallel and mounted in an identical manner for pivotal movement about vertical axes and means interconnecting them for moving them about their axes, the movement of each member or cluster of members about its axis being the same amount and direction as the movement of each other member or cluster of members.
SEE OR SEARCH THIS CLASS, SUBCLASS:
221+, for an implement adapted to be alternated for right or left hand operation by being shifted for an opposite throw, said implement having plural disks shifted about individual vertical axes.
576, for plural disks mounted on individual axes and provided with interconnected means for simultaneously adjusting said discs.
