US Patent 7665698 Articulated support assembly

An articulating support assembly includes a first segment and a second segment. The first and second segments are disposed adjacent to one another. A first mating surface is defined on the first segment and a second mating surface is defined on the second segment. A tensioning assembly is operatively connected to the first and second segments such that the tensioning may be selectively operable to bias the first mating surface and the second mating surface into contact with one another thereby holding the first segment in a predetermined static orientation with respect to the second segment.