Patent ID: 7200909
Filing Date: 2007-04-10
Classification: B21J,Y10T

Abstract:
1. A riveting yoke assembly, comprising: a yoke having a first end with a plurality of fastener receiving openings, a second end with an opening extending therethrough, and a middle section coupled between said first and second ends, said middle section forming an opening between said first and second ends; a force applying mechanism releasably coupled to said first end via said plurality of fastener receiving openings in said first end; and a rivet forming device removably coupled to said second end of said yoke, said rivet forming device having a base end and a forming end, said base end being attached to said second end of said yoke via said opening in said second end and said forming end having a first recess to form an unformed end of a rivet, said first recess having a concave, interior surface, with an annular step positioned between a top edge of said interior surface and a bottom-most point of said interior surface.