Patent ID: 8602704

Claim:
A component assembly comprising a sheet metal part ( 10 ) and a centering element ( 12 ) attached to it by a riveted connection, said element having a shaft part ( 14 ), a tubular rivet section ( 22 ) surrounding said shaft part and a head part ( 16 ), said head part having a cylinder section ( 21 ), a side ( 18 ) confronting said sheet metal part, a recess ( 20 ) at least approximately in the shape of a ring, said side and an annular sheet metal contact surface ( 24 , 24 ′) surrounding said recess, said recess merging at a radially inner side into said cylinder section ( 21 ) of said head part ( 16 ) and said cylinder section ( 21 ) in turn merging into said shaft part ( 14 ) and said cylinder section also merging into said tubular rivet section ( 22 ) which surrounds said shaft part ( 14 ) in a region of said head part ( 16 ) and being disposed within said annular contact surface ( 24 , 24 ′) and said recess merging at a radially outer side via an at least approximately conical wall ( 23 ) into said annular contact surface, there being a plurality of local recesses ( 32 ) provided in at least one of said conical wall ( 23 ) of said recess and in a base surface ( 26 ) of the ring recess wherein a region of said shaft part ( 14 ) forms a centering section ( 40 ) radially within said tubular rivet section ( 22 ) adjacent said cylinder section ( 21 ), said sheet metal part ( 10 ) having a raised formation ( 52 ) received in said annular recess ( 20 ); material of said sheet metal part being disposed in the or in each local recess ( 32 ) and said sheet metal part ( 10 ) having, at a side ( 58 ) remote from the annular recess ( 20 ), a ring recess ( 60 ) into which the rivet section ( 22 ) which has been turned over into a rivet bead ( 42 ) is disposed, with the side of the rivet bead remote from the head part ( 16 ) at least substantially not projecting beyond a side ( 58 ) of the sheet metal part in the region around the rivet bead ( 42 ).