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公开(公告)号:US20080056844A1
公开(公告)日:2008-03-06
申请号:US11856577
申请日:2007-09-17
IPC分类号: F16B21/18
CPC分类号: F16B41/002 , F16B5/0266 , F16B31/04 , F16B35/041 , Y10S411/999
摘要: A captive screw for securing together two panels has a screw and a spring extending between the screw head and a ferrule. A collar is formed on the screw shank under the ferrule to limit penetration of the screw threads in a bottom panel so that the upper panel floats on the spring.
摘要翻译: 用于固定在一起的两个面板的固定螺钉具有螺钉和在螺钉头和套圈之间延伸的弹簧。 在套圈下面的螺钉柄上形成一个套环,以限制螺纹在底板中的穿透,使得上板浮在弹簧上。