Patent ID: 7544028
Filing Date: 2009-06-09
Classification: F16B,H01R

Abstract:
1. Insertion cage for a connection between a threaded nut and a threaded rod, comprising: a cylindrical wall having a top end and a bottom end, the top end circumscribing a circle with a first diameter; a bottom wall connected to the bottom end and having an orifice with a second diameter; and at least one strip located inside a space formed by the cylindrical wall and having a first end and a second end, wherein the first end of each at least one strip is fixed to the top end of the cylindrical wall, the second end of each at least one strip is free, and each at least one strip is folded down along the cylindrical wall to act as a spring between a first at rest position in which the at least one strip is inclined by a first angle from the cylindrical wall and a second compressed position in which the at least one strip is inclined by a second angle smaller than the first angle to apply pressure on the threaded nut inserted on the threaded rod in the cage.