(under subclass 579) Apparatus comprising means for adjusting a group of said members or part thereof vertically.
(1) Note. For the meaning of "adjusting" see the class definition.
(2) Note. The group may be held in different positions by the draft force on the implement.
(3) Note. The holding means may be an adjustable stop, holding against movement in only one direction.
SEE OR SEARCH THIS CLASS, SUBCLASS:
440+, for plural groups of disks liftable as a unit by a mast-type hitch. 454, for plural groups of disks lifted by an actuator as a unit for transport on a wheeled frame or broadly claimed implement.
600, for a single gang mounted for tilting and horizontal angling adjustment.
