发明名称 Dragline bucket line protection device
摘要 In a support assembly for an excavating dragline bucket controlled by a hoist line and a drag line, the bucket having opposite side walls and an open forward end, a line protection device includes a sleeve for encircling the hoist line adjacent the bucket sidewalls for preventing direct contact between the hoist line and the bucket sidewalls. A sleeve also encircles the drag line adjacent the point of attachment between the drag line and the bucket forward end for preventing direct contact between the drag line and excavating material received by the bucket.
申请公布号 AU646214(B2) 申请公布日期 1994.02.10
申请号 AU19920021088 申请日期 1992.08.17
申请人 DRESSER INDUSTRIES, INC. 发明人 RALPH EDWARD COFFMAN;JOSEPH BYRON KUMPF
分类号 E02F3/58;(IPC1-7):E02F3/48 主分类号 E02F3/58
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