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1. 发明授权

US07056056B2 Collision safety device having a breakaway shear coupling 失效
标题翻译：具有分离剪切耦合的碰撞安全装置
公开(公告)号：US07056056B2
公开(公告)日：2006-06-06
申请号：US10903085
申请日：2004-07-30
申请人： Kenneth E. Wiegand , Stuart E. Larsen
发明人： Kenneth E. Wiegand , Stuart E. Larsen
IPC分类号： E01F9/18
CPC分类号： E01F9/635 , Y10S248/909 , Y10T403/11
摘要： A collision safety device having a breakaway coupling. The collision safety device comprises first and second post segments. A first shear plate is attached to the first post segment and a second shear plate is attached to the second post segment. The first shear plate has a first contact surface and the second shear plate has a second contact surface opposite the first contact surface. The first and second shear plates are releasably attached by a breakaway coupling including a band. Friction between the shear plates and strength of the band are adjustable such that the upper post is released from the lower post when subjected to a pre-selected collision force.
摘要翻译：具有分离联轴器的碰撞安全装置。碰撞安全装置包括第一和第二柱段。第一剪切板附接到第一柱段，并且第二剪切板附接到第二柱段。第一剪切板具有第一接触表面，第二剪切板具有与第一接触表面相对的第二接触表面。第一和第二剪切板通过包括带的分离联接件可释放地附接。剪切板之间的摩擦力和带的强度是可调节的，使得当经受预先选择的碰撞力时，上部柱杆从下部杆被释放。

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