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1. 发明申请

US20100247011A1 Bearing device 有权
标题翻译：轴承装置
公开(公告)号：US20100247011A1
公开(公告)日：2010-09-30
申请号：US12592915
申请日：2009-12-04
申请人： Yukitaka Muramoto , Masaru Kondo , Yasuaki Goto , Masao Takahashi
发明人： Yukitaka Muramoto , Masaru Kondo , Yasuaki Goto , Masao Takahashi
IPC分类号： F16C17/04
CPC分类号： F16C33/046 , F16C17/04 , F16C35/02 , F16C41/008 , F16C2360/22
摘要： In a bearing device 1, annular recesses 3a and 6a that house a thrust bearing 7 are formed in side surfaces of a housing 3 and a cap 6, a rotation preventing protrusion 12b is provided in an outer periphery of a lower side half-split thrust bearing 12 in the thrust bearing 7, and a rotation preventing groove 6b into which the rotation preventing protrusion 12b fits is formed in the annular recess 6a formed in the cap 6. The rotation preventing groove 6b is formed to be deeper than the annular recess 6a, and in a surface of the lower side half-split thrust bearing 12 on the side of the crank arm, a groove 12c is formed from the rotation preventing protrusion 12b to an inner peripheral portion of the lower side half-split thrust bearing 12. This can prevent partial contact of the thrust bearing, and prevent breakage due to stress concentration as much as possible.
摘要翻译：在轴承装置1中，容纳推力轴承7的环形凹部3a，6a形成在壳体3和盖6的侧面，防转动突起12b设置在下侧半分离推力推力轴承7中的轴承12和形成在盖6中的环形凹部6a中形成有防止旋转突起12b嵌合的防旋转槽6b。防旋转槽6b形成为比环形凹部6a更深，并且在曲柄臂一侧的下侧半剖分推力轴承12的表面中，从防旋转突起12b向下侧半剖分推力轴承12的内周部形成有槽12c。这可以防止推力轴承的部分接触，并且尽可能地防止由于应力集中而导致的断裂。

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