发明申请
- 专利标题： TRAILER TOWING DEVICE FOR A TRACTOR VEHICLE
- 专利标题（中）： 拖拉机车辆牵引装置
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申请号： US13529073申请日： 2012-06-21
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公开(公告)号： US20130001924A1公开(公告)日： 2013-01-03
- 发明人: Dirk ADAMCZYK , Julian STRATMANN , Christoph ELBERS
- 申请人： Dirk ADAMCZYK , Julian STRATMANN , Christoph ELBERS
- 申请人地址： DE Friedrichshafen
- 专利权人： ZF FRIEDRICHSHAFEN AG
- 当前专利权人： ZF FRIEDRICHSHAFEN AG
- 当前专利权人地址： DE Friedrichshafen
- 优先权： DE102011078329.6 20110629
- 主分类号： B60D1/06
- IPC分类号： B60D1/06
摘要：
A trailer towing device for a tractor vehicle (1) which comprises a coupling ball (11), having a hollow space (21) for coupling a trailer vehicle (2), and a ball support (17) which engages with an end area in the hollow space (21) through an opening (22) provided in the coupling ball (11) and supports the coupling ball (11), such that the end area of the ball support (17) comprises a joint ball (15) on which the coupling ball (11) is fitted and can rotate so that, together with the coupling ball (11), the joint ball forms a ball joint (28).
公开/授权文献
- US08939462B2 Trailer towing device for a tractor vehicle 公开/授权日：2015-01-27
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