Patent ID: 8328485

Claim:
A functional element ( 10 ′; 10 ″) having a functional portion ( 16 ; 17 ; 17 ′), a generally tubular rivet portion and a ring-like sheet metal contact surface ( 22 ; 22 ′; 22 ″; 22 ″, 22 ′″, 22 ″″), wherein features of shape ( 70 ; 70 , 70 ′; 90 ; 90 , 70 ) are provided at a free end of the rivet portion ( 20 ) away from the sheet metal contact surface, the features of shape being adapted to ensure co-movement of a sheet metal part ( 14 ) during the formation of a rivet bead and being provided at at least one of the free end ( 59 ) of the rivet portion and the radially outer side of the rivet portion ( 20 ), in the region adjacent the free end ( 59 ) of the rivet portion ( 20 ), wherein recesses ( 28 ) providing security against rotation are located in the region of the transition from the rivet portion ( 20 ) into a ring-like contact surface ( 22 , 22 ′; 22 ″) and are axially aligned with said features of shape provided at the free end of the rivet portion.