Patent ID: 7101110
Filing Date: 2006-09-05
Classification: A47C,F16B,F16C,Y10T

Abstract:
1. A rivet system pivotally coupling a first connecting link and a second connecting link, the improvement comprising: a rivet having an enlarged head portion and a shank portion including a shoulder portion adjacent to said head portion and a tenon portion extending from said shoulder portion, said shank portion received within apertures formed through said first and second connecting links; a thrust washer received on said tenon portion interposed between said first connecting link and said second connecting link, said thrust washer being fabricated of a composition having a plastic material and an electrically conductive material, which substantially uniformly conducts electricity between said first and second connecting links; a spring bushing received on said shank portion having a washer interposed between said first connecting link and said enlarged head portion, and a bush portion received within said aperture formed in said first connecting link, said spring bushing being fabricated of a low friction plastic material and adapted to provide an axial thrust within said rivet system.