US Patent 7909576 Fastening device for rotor blade component

A rotor blade assembly is disclosed. The rotor blade assembly includes a rotor blade having a pressure side, a suction side, a leading edge, and a trailing edge extending between a tip and a root. The rotor blade assembly further includes a rotor blade component, and a fastening device for fastening the rotor blade component to the rotor blade, the fastening device comprising at least one button associated with one of the rotor blade or the rotor blade component and at least one mating groove associated with the other of the rotor blade or the rotor blade component, wherein the at least one button and the at least one mating groove are configured to fasten the rotor blade component to the rotor blade.