发明名称 Mining conveyor assemblies with control boxes on fence
摘要 A mining conveyor assembly of the kind comprising a conveyor which, in the use of the assembly, extends alongside a mine face. The conveyor comprises an elongate wall connected to and upstanding from the conveyor on the goaf side thereof, and a fence structure secured to the assembly in spaced relation to the wall member to provide a trough, in which the cable or cables supplying services to a mining machine, which travels along a trackway afforded by the conveyor assembly, is received as the machine traverses backwardly and forwardly along the trackway.
申请公布号 US4143918(A) 申请公布日期 1979.03.13
申请号 US19760655204 申请日期 1976.02.04
申请人 WINSTER MINING LIMITED 发明人 MURDAY, WILLIAM
分类号 E21C35/04;(IPC1-7):E21C35/12 主分类号 E21C35/04
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