发明申请
- 专利标题： HOISTING CRANE
- 专利标题（中）： 起重起重机
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申请号： US12989104申请日： 2009-04-24
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公开(公告)号： US20110114587A1公开(公告)日： 2011-05-19
- 发明人: Joop Roodenburg , Hendrikus Jacobus Weterings , Diederick Bernardus Wijning
- 申请人： Joop Roodenburg , Hendrikus Jacobus Weterings , Diederick Bernardus Wijning
- 申请人地址： NL Schiedam
- 专利权人： ITREC B.V.
- 当前专利权人： ITREC B.V.
- 当前专利权人地址： NL Schiedam
- 优先权： NL2001522 20080425
- 国际申请： PCT/NL09/00103 WO 20090424
- 主分类号： B66C23/06
- IPC分类号： B66C23/06 ; B66C23/52 ; B66C23/64
摘要：
Hoisting crane (20), comprising a substantially hollow jib (24,-124; 324) having a longitudinal axis, and comprising one or more hoisting cable guides (47, 48, 49; 147; 347). The jib comprises at least one jib leg (29; 129; 329) extending between a jib connection member (26) and a jib hoisting end (27; 127; 327), wherein the at least one jib leg comprises one or more hybrid portions (160; 360) comprising two elongated hollow casings (170; 370) substantially parallel to each other and substantially parallel to the longitudinal axis of the jib, and wherein between the two casings a truss (171 371) is provided to rigidly connect the two castings.
公开/授权文献
- US08919586B2 Hoisting crane with hybrid portions 公开/授权日：2014-12-30