Patent ID: 7931430

Claim:
A self swaging locking device for a rotational based fastener for fastening an object to a substrate, said device comprising: a washer adapted for placement between a fastener head of the fastener and said object, a locking plate adapted for removable engagement to the fastener head and for cooperation therewith to prevent relative rotation of said locking plate and the fastener head, and a common portion which connects said locking plate and said washer, said common portion including an integral foldable tab wherein said foldable tab is flexible but substantially non- elastic, and wherein said locking device has a first aperture adapted to receive a shank of the fastener such that the fastener head will abut a face of the washer and upon tightening draw said washer into tight continuous contact with the object, and wherein said locking plate is larger than the fastener head and has a second aperture of smaller or equal size than the fastener head, and wherein said locking plate includes an integral, one-piece swaging tool positioned near and circumnavigating a perimeter of said second aperture, said integral swaging tool being configured to bridge the fastener head when said locking plate is swaged over the fastener so as to facilitate swaging without the use of a separate swaging tool, and wherein a wall defining the second aperture of the locking plate includes a plurality of radial slits that results in distortion and swaging of the locking plate over the fastener head to prevent the fastener from unintentionally coming undone.