Patent ID: 6158934
Filing Date: 2000-12-12
Classification: F16B

Abstract:
A knock-in pin dowel, having an expandable element more particularly constructed as a threaded nail, anda dowel shell, which has a dowel head forming an outer end of the dowel shell,a shaft part connected to the dowel head anda first expandable part connected to the shaft part, the first expandable part having at least one longitudinal slit starting from the shaft part and ending upstream of the dowel end, for allowing expansion of the first expandable part, anda second expandable part having at least one longitudinal slit starting approximately from a central area of the first expandable part and extending up to the dowel end,wherein said dowel has an operating position in which the first expandable part and the second expandable part are expanded in a radial direction,wherein a number of longitudinal slits in the first expandable part differs from the number of the longitudinal slits in the second expandable part, andwherein the longitudinal slits in the first expandable part and the longitudinal slits in the second expandable part are each equally spaced in a circumferential direction of the dowel shell.