Patent ID: 6598836
Filing Date: 2003-07-29
Classification: F16B

Abstract:
A fixing clamp comprising a barrel which has internally a plurality of lips spaced from one another in the axial direction of the barrel and adapted for cooperating with threads of a screw inserted into the barrel, the lips being directed towards an interior of the barrel and inclined in a direction of introduction of a screw into the barrel, each lip comprising at least two parts, a first part connected to the barrel and inclined at a first angle (&agr;) with respect to a central axis of the barrel, and a second part connected to the first part and inclined at a second angle (&bgr;) with respect to the central axis of the barrel, the second angle (&bgr;) being larger than the first angle (&agr;) and less than 180Â°, to facilitate introduction of a screw into the barrel while providing resistance to extraction of the screw after introduction into the barrel, the first angle (&agr;) being between 90Â° and 135Â°.