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发明名称
Dragline bucket
摘要
The invention relates to a dragline bucket wherein the center of gravity is along a line making an angle of at least 90 DEG with a line from the tooth tip to the horizontal pivot axis of the dragline hitch. Also disclosed is a movable hitch.
申请公布号
US4791738(A)
申请公布日期
1988.12.20
申请号
US19870065052
申请日期
1987.06.22
申请人
ESCO CORPORATION
发明人
BRISCOE, TERRY L.
分类号
E02F3/47;E02F3/46;E02F3/48;E02F3/60;E02F9/14;(IPC1-7):E02F3/48
主分类号
E02F3/47
代理机构
代理人
主权项
地址
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