发明名称 |
Boom arm with rock deflection feature |
摘要 |
A loader vehicle boom arm assembly incorporates a pair of box section boom arms in which the top plate of each box section boom arm has a cross sectional shape such that the upper surface is provided with an arcuate surface that directs foreign objects encountering the arcuate top surface off the boom arm.
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申请公布号 |
US4439089(A) |
申请公布日期 |
1984.03.27 |
申请号 |
US19810270171 |
申请日期 |
1981.06.03 |
申请人 |
DRESSER INDUSTRIES, INC. |
发明人 |
ANDERSON, RODNEY H.;CAMERON, THOMAS M. |
分类号 |
E02F3/80;(IPC1-7):B66C23/00;E02F3/76;E04C3/30 |
主分类号 |
E02F3/80 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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