Patent ID: 7988397
Filing Date: 2011-08-02
Classification: F16B

Abstract:
1. A fastening element for connecting mechanical parts to one another, at least one of the mechanical parts having a hole having a first diameter extending therethrough, comprising: a pin-shaped lead-through part adapted to extend through the hole; and a head having a contact surface for bearing contact against a contact surface on one side of the hole, the lead-through part having a fitting part adapted to extend through the hole, and a fastening part of a second diameter which is less than the first diameter and is adapted to fasten in a fastening component, wherein the fitting part has a third diameter which is greater than the first diameter prior to fixing of the fastening element, and the fitting part has cutting machining grooves which are adapted to work edges of the hole, during fixing of the fastening element, by removal of material such that the hole is made to fit against a shell surface of the fitting part, the fastening element being adapted to absorb both occurring shearing loads and compression/traction loads between the connected parts, and wherein a hardness of edges of the machining grooves is greater than a hardness of a remaining portion of the fitting part.