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1. 发明授权

US5842589A Crane, in particular railbound mobile crane 失效
标题翻译：起重机，特别是铁路移动式起重机
公开(公告)号：US5842589A
公开(公告)日：1998-12-01
申请号：US992984
申请日：1997-12-18
申请人： Joachim Kroll , Peter Richter , Manfred Dorre
发明人： Joachim Kroll , Peter Richter , Manfred Dorre
IPC分类号： B61D15/02 , B66C23/42 , B66C23/50 , B66C23/78 , B66C23/04
CPC分类号： B66C23/50
摘要： A crane, in particular railbound mobile crane, with a luffing jib telescoping at both sides which can be swung up and down as well as raised and lowered with its base boom. The boom is supported in its end regions at the vehicle on a swivel bearing which can be raised and lowered. The luffing jib is swivelable about vertical axes in the region of the swivel bearings. For this purpose, every swivel bearing is supported at one of two separate multiple-axle traveling mechanisms so as to be displaceable traverse to the longitudinal axis of the mobile crane. The two traveling mechanisms are coupled with one another via the base boom of the luffing jib, which base boom is connected with the swivel bearings.
摘要翻译：起重机，特别是铁路移动式起重机，两侧伸缩臂架可以上下摆动，也可以用底座起升升降。悬臂在其可以升高和降低的回转轴承上的车辆的端部区域被支撑。伸缩臂可在旋转轴承的区域中绕垂直轴线旋转。为此，每个旋转轴承都支撑在两个单独的多轴行进机构中的一个上，以便可移动地移动到移动式起重机的纵向轴线。两个行进机构经由变幅起重臂的基座臂彼此联接，该起重臂与旋转轴承连接。

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