发明名称 Mining Machine
摘要 A mining machine is disclosed comprising a mobile base and a cutting head assembly at a forward end of the mobile base having a cutter drum rotatable about an output shaft disposed along the longitudinal axis of the cutter drum. A drive system for the cutting head assembly comprises at least one motor for driving at least one toothed motor pinion and a generally cylindrical combination gear having generally circular end surfaces. A bevel or face gear is formed in at least one of the end surfaces, having teeth adapted to mate with and be driven by the toothed motor pinion. The combination gear has a worm gear formed in the outside cylindrical surface, which is disposed in driving engagement with the teeth of an output gear integrally and coaxially connected to the output shaft of the cutter drum.
申请公布号 US4486051(A) 申请公布日期 1984.12.04
申请号 US19820442988 申请日期 1982.11.19
申请人 JOY MANUFACTURING COMPANY 发明人 BECKER, HARRY R.
分类号 E21C27/24;E21C31/02;(IPC1-7):E21C25/06 主分类号 E21C27/24
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