GANTRY. AN ATTACHMENT OF SUFFICIENTLY SUBSTANTIAL STRUCTURE DESIGNED
FOR MOUNTING BEHIND THE HEEL OF A BOOM FOR SHORTENING CABLE LENGTH,
THEREFORE INCREASING THE WORKLOAD CAPACITY AND DESCREASING THE HAZARD
OF CABLE BREAKAGE WHEN BOOMS OF EXCEPTIONAL LENGTH ARE USED. IT MAY OR
MAY NOT BE LOWERED DURING TRANSIT FROM PLACE TO PLACE.
