Wedging type expansion self-locking nail

Application Number: 00108842
Application Date: 2000.05.03
Publication Number: 1321840
Publication Date: 2001.11.14
Priority Information:
International: F16B13/08
Applicant(s) Name: Yu Wenming
Inventor(s) Name: Yu Wenming
Patent Agency Code: 00000
Patent Agent:
Abstract The wedging expansion self-locking nail consists of two portions of nail body and barbed wedge, and its functional principle lies in that when the nail body is wedged, its opening position is contacted with slope of the wedge, the nail tail can be expanded towards two sides to form invented bellmounted opening form, and can be matched with opening force of the wedge so as to make nail tail formly lock on hole wall and can not be drawn out, so that it can possess good burglary-resisting function.