发明名称 Lifting arm manufacturing method for a work machine e.g. articulated wheel loader
摘要 The method involves providing a first lift arm segment (128) and a second lift arm segment (218 or 130) both with one forked end, and boring linkage pin holes (132-135) in both segments. The Non-forked ends of the segments are then welded together. Prior to welding of the two segments frame couplings (136,190) with pin bores are welded to each of the two arms of the first segment and implement couplings (140,194) are welded to each of the two arms of the second segment (130).
申请公布号 FR2774408(A1) 申请公布日期 1999.08.06
申请号 FR19990001126 申请日期 1999.01.28
申请人 CATERPILLAR INC 发明人 BRANHAM DANA D;GINN RONALD MARK
分类号 B62D49/00;E02F3/28;E02F3/34;E02F3/38;E02F9/08;(IPC1-7):E02F3/38 主分类号 B62D49/00
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