(under subclass 86.4) Grapples wherein the suspension means of the grapple is shiftable relative thereto (1) to compensate for uneven load distribution so that the load remains level or (2) to orient the combined grapple and load with the respect to a surface or other object to provide for a specific spatial orientation therebetween.
SEE OR SEARCH THIS CLASS, SUBCLASS:
67.21, for L-frame having a center of gravity adjustment.
67.5, for a load shifting hoist-line frame.
81.3, for spacing hoist bar or frame with a center of gravity adjustment.
81.4, for a spacing hoist bar or frame with orienting means.
82.12, for a cable and hook tackle having a center of gravity adjustment.
