发明名称 Conveyor pan with improved edge shaping
摘要 A conveyor pan for use with a shearer with a skid-type shoe in a longwall mining operation, the conveyor pan including a side member having a surface adapted to be engaged by the shearer skid-type shoe, the surface being formed by a piece of the side member that extends horizontally for the length of the side member. The piece has a first end and a second end, each piece end having a top, a rear, a front and an edge. The first end edge and the second end edge are each formed by each edge being between 45 degrees removed from a vertical plane extending at 90 degrees to the horizontal plane formed by the side member surface.
申请公布号 US7896444(B2) 申请公布日期 2011.03.01
申请号 US20080201224 申请日期 2008.08.29
申请人 JOY MM DELAWARE, INC. 发明人 TOUT JOHN;POWELL GORDON EDMUND
分类号 E21C35/12 主分类号 E21C35/12
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