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FIIG:  A23900

Entry Date:  Apr-01-1974

Concept:  1

Status:  A

Applicability:  A

Type:  0

Definition:  A crane in which the hoisting apparatus is supported by a trolley which runs on an overhead track, or bridge, which, in turn, is supported either by ground level end trucks running on rails or on floor level wheels.

Basic INC:  70538

Basic Name:  CRANE

Description:  1. A machine for raising and lowering heavy weights and, while holding them suspended, transporting them through a limited lateral distance. The item may be manually or power operated and either fixed or mobile. 2. An apparatus consisting of a projecting arm, boom, or A-frame, operated in conjunction with a hook(s) or sling(s), either stationary or moving in a vertical and/or horizontal arc. Operating power is furnished from an outside source, such as a tractor or truck on which the item may be mounted. Excludes: unmounted cranes. See also Crane-Shovel and Derrick.