(under subclass 82.11) Cable and hook tackle wherein a suspension means for the cable and hook tackle is shiftable relative to the load to compensate for uneven load distribution so that a load suspended therefrom remains level.
SEE OR SEARCH THIS CLASS, SUBCLASS:
67.21, for a L-frame with a center of gravity adjustment.
67.5, for a load shifting hoist-line frame.
81.3, for a spacing hoist bar or frame with a center of gravity adjustment.