Component assembly consisting of a fastener element and a...

Details Component assembly consisting of a fastener element and a... Component assembly consisting of a fastener element and a...

F - Mech Eng,Light,Heat,Weapons

16

B

F16B 37/06 (2006.01) B21J 15/14 (2006.01) B21J 15/36 (2006.01) F16B 35/04 (2006.01)

Patent

CA 2683277

A component assembly comprising a sheet metal part and a fastener element which has a flange part of larger diameter and a shaft part of smaller diameter which extends away from the flange part and merges at its end remote from the flange part into a cylindrical rivet section is characterized in that the fastener element is designed for use with sheet metal parts with thicknesses in the range of 3 mm and larger. With relatively thin sheet metal parts the sheet metal part has a smooth pierced cylindrical opening which has a diameter corresponding to the diameter of the shaft part, with the cylindrical rivet section being reshaped to a rivet bead which contacts the underside of the sheet metal part. With sheet metal parts of medium thickness the sheet metal part has a stepped hole with the hole region of larger diameter receiving the rivet bead. For relatively thick sheet metal parts the sheet metal part has a conical pierced hole and the cylindrical rivet section is reshaped to a conical rivet bead which is wedged in the conically diverging hole.

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