Patent ID: 9566638
Date: 2017-02-14
CPC Classifications: B21B,B21H,B23P

Claim:
1. A deep rolling tool for applying compressive stress with rolling elements, the deep rolling tool comprising: a flexible fork having a base section and a plurality of fork arms extending outwardly from the base section without a pivot, each of the plurality of fork arms having a distal end with respect to the base section, wherein the distal end comprises an aperture; and a plurality of rolling elements, wherein each of the plurality of rolling elements is rotatably mounted to one of the plurality of fork arms via eccentric roller bushings, and wherein each of the plurality of rolling elements are located within the aperture of the respective distal end of each of the plurality of fork arms, and wherein at least two of the plurality of rolling elements are configured to define an opening therebetween, the opening being located between at least two of the plurality of fork arms, and wherein the plurality of rolling elements apply a compressive stress to a metal article located in the opening.