US Patent 7090403 Articulated seal

A combination of a bearing isolator shaft and housing with a stator member affixed to said housing, a plurality of spherical faces or interfaces between said rotor and said stator, said spherical interfaces having identical center points between said shaft and radially responsive to each other as radial movement of said rotor member occurs whereby said spherical surfaces are continually intermeshed and maintained at a constant distance from each other.