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Bridge Crane |
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bridge crane [′brij ‚krān]
(mechanical engineering) A hoisting machine in which the hoisting apparatus is carried by a bridgelike structure spanning the area over which the crane operates. bridge crane A traveling overhead hoisting machine which spans fixed side rails that are part of a building structure or are erected to support the crane; the hoisting unit also may travel laterally between the rails; used to handle materials in such a location as a machine shop or fabricating plant. Bridge Crane a crane with a metal truss or beam structure in the form of a supported or suspension bridge. The bridge moves along the aisle of a shop or an open loading area on rails located under the crane. A crane trolley with hoisting gear moves transversely along the bridge. Among the types of bridge cranes are cantilever, semigantry, and gantry cranes and bridge loaders. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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