Patent ID: 7845909

Claim:
An assembly for providing flexure to a blade of a rotary blade system, comprising: an upper support plate having an upper curved surface; a lower support plate having a lower curved surface; and a yoke positioned between said upper support plate and said lower support plate, said yoke having an upper yoke surface and a lower yoke surface, one yoke surface of said upper and lower yoke surfaces having a layer of cushioning material positioned on and secured to said one yoke surface, said layer of cushioning material extending along and following the general contour of said one yoke surface, and said layer of cushioning material directly contacting one of said upper curved surface of said upper support plate and said lower curved surface of said lower support plate; wherein said yoke is a multi-piece yoke having at least an upper yoke layer and a lower yoke layer with said upper yoke surface being an upper yoke surface of said upper yoke layer and said lower yoke surface being a lower yoke surface of said lower yoke layer; and wherein said upper yoke layer is separated from said lower yoke layer by a buffer layer that is disposed between the yoke layers.