Abstract: An upper work tool mechanism for use in deep rolling operations and having a housing and a cover plate, as well as a cage system for operatively mounting the work rollers, with the cage being designed such that the cage and the cage retainer members have one or more uniquely positioned springs associated therewith to support the cage.
Abstract: A lower work tool having a one-piece open style design with a plurality of openings and an upper work tool having a housing and cover plate each forming a plurality of openings.