OVERHEAD BRIDGE CRANES The overhead bridge crane, also known as a bridge crane, is an industrial machinery used for lifting and moving of material in several reality. Its structure is quite simple: in the main element, said bridge, consisting of one or two beams (mono or double-girder bridge crane, respectively), of different shapes and dimensions depending on the requirements of use, there are guides on which the carriage, soul of machinery, can scroll horizontally. The cart is tied a lifting element: the materials are lifted and transported the most varied, even in bulk, thanks to the bucket that can be installed on the cable.