Abdul Rahim S.Al-Malki Cont EST
Both overhead travelling cranes and gantry cranes are
types of crane which lift objects by a hoist which is fitted in
a trolley and can move horizontally on a rail or pair of rails
fitted under a beam. An overhead travelling crane, also
known as an overhead crane or as a suspended crane,
has the ends of the supporting beam resting on wheels
running on rails at high level, usually on the parallel side
walls of a factory or similar large industrial building, so that
the whole crane can move the length of the building while
the hoist can be moved to and fro across the width of the