发明名称 |
Road milling drum having an adjustable width |
摘要 |
A road milling drum assembly that is for use with a road milling machine. The road milling drum includes a core portion carrying a first road planing bit assembly wherein the core portion detachably connects to the road milling machine. The first road planing bit assembly has a first milling width. The assembly further including one of the following components selected from the group of: (1) a protective cover that detachably connects to the core portion and the road milling machine; or (2) a milling extension segment carrying a second road planing bit assembly wherein the milling extension segment detachably connects to the core portion and the road milling machine. The second road planing bit assembly has a second milling width wherein the road milling drum has a milling width equal to the sum of the first milling width and the second milling width.
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申请公布号 |
US7883153(B2) |
申请公布日期 |
2011.02.08 |
申请号 |
US20070900168 |
申请日期 |
2007.09.10 |
申请人 |
KENNAMETAL INC. |
发明人 |
STIFFLER STEPHEN P.;HELSEL ERIC P.;KELLER DONALD E.;ROWLETT DON C. |
分类号 |
E01C23/12 |
主分类号 |
E01C23/12 |
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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