Patent ID: 7784163

Claim:
An extraction apparatus for the removal of a riveted fastener residing within a blind cavity of a structure comprising: a shaft having a first section configured for attachment to a high-speed rotating device and a second section configured for insertion into an inner channel of a riveted fastener crimped intimately around the periphery of a designated blind cavity and wherein said first section comprises a first outer diameter that is larger than a second outer diameter of said second section; and a pivot plate including at least one cutting element mechanically coupled to said shaft and configured to cut a portion of the riveted fastener within said blind cavity, said cutting element having a pair of cutting edges and a pendulous weight, wherein said pendulous weight is configured to orient said cutting element within a slot parallel with the shaft for insertion of the device within said blind cavity of a structure; said shaft, pivot plate and said cutting element configured such that verification is carrier out to assure that said pivot plate rotates freely on the extraction apparatus such that said cutting element can pivot outwardly to a cutting orientation perpendicular to the center axis of rotation of the shaft away from a centerline of said shaft due to centrifugal forces exerted thereon.