专利检索 ap:("Chunfeng Zhao" OR "Bradford L. Currier" OR "Kai-Nan An" OR "Fredrick Schultz" OR "Patricia Neale") AND inv:"Patricia Neale" 第 1 页

1.

发明授权
Expandable screw apparatus and method thereof 有权

公开(公告)号：US06668688B2

公开(公告)日：2003-12-30

申请号：US09893818

申请日：2001-06-28

申请人： Chunfeng Zhao , Bradford L. Currier , Kai-Nan An , Fredrick Schultz , Patricia Neale

发明人： Chunfeng Zhao , Bradford L. Currier , Kai-Nan An , Fredrick Schultz , Patricia Neale

IPC分类号： B25B2300

CPC分类号： A61B17/8685 , A61B17/686 , B25B31/00 , F16B13/02 , F16B13/066 , Y10S606/916

摘要： An apparatus for an expandable screw including an outer screw, a inner screw, and an end nut. An assembly and method for driving and expanding an expandable screw apparatus into a surface or structure. The assembly and method dynamically expand the expandable screw by driving and expanding the expandable screw simultaneously.