专利名称:Spindle nut and locking device
发明人:Philip J. Cronin, II,Lonnie G. Williams, Jr.,Thomas F. Dunlap,David C. Wood 申请号:US08/333500
申请日:19941102
公开号:US05618143A
公开日:
19970408
专利内容由知识产权出版社提供
摘要:A spindle nut and a locking device for securing the nut in a rotative position on a spindle. An anti-rotation spring and a back up plate are mounted on the spindle in a non-rotative manner with the back up plate in abutment with the bearings that rotatively mount the hub to the spindle. The back up plate has multiple grooves aligned with and arranged to receive multiple resilient tabs on the periphery of the anti- rotation spring. The tabs of the anti-rotation spring are formed to project axially from the spring. A flange of the nut has multiple slots around its periphery that are sized to receive a tab of the anti-rotation spring. A tool having extending ears that fit in the slots of the nut is utilized to install the nut on the spindle. The extending ears prevent the tabs of the spring from entering a slot of the nut until the tool is removed. As the nut is rotated by the tool, the nut abuts the anti- rotation spring. The extending ears and the face of the flange in combination force the radial tabs of the spring further into the grooves of the back up plate. When the nut is torqued to the desired level, the tool is removed allowing a tab of the spring to enter a slot of the nut due to its resiliency to lock the nut in a rotative position. Should a tab of the spring not be in alignment with a slot of the nut, the nut need only rotate a few degrees to place one of the slots of the nut in alignment with
a ta
b of the spring.securing
申请人:WARN INDUSTRIES, INC.
代理机构:Klarquist Sparkman Campbell Leigh & Whinston, LLP 更多信息请下载全文后查看

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