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1. 发明授权

US06789990B1 Fastener device 失效
标题翻译：紧固件装置
公开(公告)号：US06789990B1
公开(公告)日：2004-09-14
申请号：US10027176
申请日：2001-12-20
申请人： Paul Anthony Reginald Harris
发明人： Paul Anthony Reginald Harris
IPC分类号： F16B3930
CPC分类号： F16B39/32 , F16B39/04 , F16B39/28 , F16B41/002
摘要： A fastener device comprising a nut, a threaded member for receiving the nut, and visual indicator means for visually indicating if the nut has become loose on the threaded member during use of the fastener device. The visual indicator means may comprise an indicator member which is mounted on the nut, biasing means which biases the indicator member to an indicating position in which the indicator member gives a visual indication that the nut has become loose, and at least one recess into which the indicator member is moved by the biasing means consequent upon the nut becoming loose, the indicator member then being in the indicating position.
摘要翻译：一种紧固装置，包括螺母，用于接收螺母的螺纹构件和用于在使用紧固件装置期间可视地指示螺母在螺纹构件上是否松动的视觉指示装置。视觉指示装置可以包括安装在螺母上的指示器构件，偏置装置，其将指示器构件偏置到指示构件给出螺母已经变松的视觉指示的指示位置，以及至少一个凹部当螺母松动时，指示器构件被偏置装置移动，然后指示器构件处于指示位置。

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