Patent ID: 8096743
Filing Date: 2012-01-17
Classification: F16B,Y10T

Abstract:
1. A press-in element ( 10 ; 10 ′; 10 ″) for pressing into a non-pierced or pre-pierced sheet metal part ( 60 ), wherein the press-in element has a head part ( 12 ) having a ring surface ( 15 ) confronting the component and a neck part which projects away from the ring surface ( 15 ), the head part further having a projection ( 18 ) in the shape of a ring surrounding the neck part with a radial spacing, the projection ( 18 ) projecting away from the ring surface ( 15 ) and having an apex and the neck part having a radially outwardly projecting ring bead ( 20 ) with an apex ( 22 ), which is formed as a continuous ring bead or as a ring bead interrupted at points, with the apex ( 22 ) of the ring bead having an axial spacing (a) from the ring surface ( 15 ) which is larger than the axial spacing (b) of the apex of the projection ( 18 ) from the ring surface, the apex ( 22 ) of the ring bead lying radially within the projection ( 18 ) and the ring bead ( 20 ) and the projection ( 18 ) forming a pocket ( 26 ) which receives material of the sheet metal part ( 60 ), there being ribs ( 30 ) providing security against rotation provided at the neck part ( 16 ), the ribs coming to an end at the ring bead ( 20 ) of the neck part ( 16 ) at their ends adjacent the head part ( 12 ).