(under subclass 453) Devices in which the gripper jaw is so constructed and/or mounted on the wheeled framework as to adapt it for engagement with various sized objects.
(1) Note. A pivotal mounting for a hook does not render it adjustable.
SEE OR SEARCH THIS CLASS, SUBCLASS:
449, for load-gripping or hooking means affixed to the wheeled framework by means of a flexible strand whose length may be varied.