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1. 发明授权

US6141892A Apparatus for limiting chain wear 失效
标题翻译：用于限制链条磨损的装置
公开(公告)号：US6141892A
公开(公告)日：2000-11-07
申请号：US296162
申请日：1999-04-21
申请人： Dennis L. Moore , David L. King
发明人： Dennis L. Moore , David L. King
IPC分类号： E02F3/14 , E02F5/06 , E02F5/10 , F16G13/06 , F16G13/18
CPC分类号： E02F5/06 , E02F3/142 , E02F3/143 , F16G13/06 , F16G13/18
摘要： An apparatus for limiting sliding wear and kick-back wear in straight sidebar chains as well as offset sidebar chains includes a wear bar which is attached to the outer surface of the chain's sidebar. The wear bar includes a main body portion having a forward wear bar end in opposed relation to a rearward wear bar end. An inner wear bar surface is positioned adjacent the outer surface of the chain's sidebar and is separated from an outer wear bar surface by a distance at least as great as the distance by which the chain's pin heads extend beyond the sidebars. In one embodiment, the upper edge of the wear bar includes a pair of semi-circular openings which fit closely adjacent the protruding pin heads. In another embodiment, the openings in the wear bar fully encircle the pin heads. A recess formed in the lower wear bar edge is used to weld the wear bar to the chain's sidebar. The lower edge of the wear bar may also be hardened to limit wear to the wear bar itself.
摘要翻译：用于限制直边侧链条以及偏移侧边栏链条中的滑动磨损和反冲磨损的装置包括连接到链条侧边缘的外表面上的耐磨条。磨损杆包括主体部分，其具有与向后磨损杆端部相对的前部磨损杆端部。内部耐磨条表面位于链条侧边栏的外表面附近，并且与外部耐磨条表面分开至少与链条销头延伸超过侧边栏的距离一样大的距离。在一个实施例中，磨损杆的上边缘包括一对紧密邻近突出销头配合的半圆形开口。在另一个实施例中，磨损杆中的开口完全环绕销头。在下部耐磨条边缘形成的凹陷用于将耐磨条焊接到链条的边栏上。耐磨条的下边缘也可以被硬化以限制耐磨条本身的磨损。

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