US Patent 7540561 Boating seat umbrella assembly

An apparatus for providing shade to an individual is adjustable in three planes. In some embodiments, the shading apparatus include a primary shaft secured to a fixed base such as a pedestal seat. A height adjustable and telescoping secondary shaft is inserted concentrically into the primary shaft. A pivot joint assembly is secured to the secondary shaft, and a shading device is mounted to the pivot joint assembly. The pivot joint assembly allows for rotational, pivoting, and sliding adjustment in order to provide positional flexibility to the individual seeking shade.