发明名称 |
CONNECTION PART |
摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide connection parts for castings having reduced weight and high strength while dispensing with welding work. <P>SOLUTION: A boom top 1 of a casting includes two supporting plates (a first bracket 11 and a second bracket) and an intermediate supporting member 2 arranged between two supporting plates. The intermediate supporting member 2 has (i) a bottom plate 21 having a hole 21h for taking out mold and (ii) a cover plate 22 covering the hole 21h for taking out mold. A protruding part 21t protruding along the direction D for taking out mold is formed at the whole periphery of an edge part 21r facing the hole for taking out mold of the bottom plate 21. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
申请公布号 |
JP2010275700(A) |
申请公布日期 |
2010.12.09 |
申请号 |
JP20090126494 |
申请日期 |
2009.05.26 |
申请人 |
KOBE STEEL LTD;KOBELCO CONTSTRUCTION MACHINERY LTD |
发明人 |
OKUMURA MASAYOSHI;KATAOKA YASUTO |
分类号 |
E02F3/38;E02F9/00;E02F9/14 |
主分类号 |
E02F3/38 |
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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