US Patent 7789761 Recreational stairway slide

A stairway slide assembly including an anchoring approach pad at the top of the stairway, an intermediate inflatable slide section for overlying the stairway steps and an deceleration section at the bottom of the stairway. A slide section includes a plurality of inflatable, longitudinally extending air passages which are formed by sealing laterally spaced apart elongate confronting portions of a pair of air impervious sheets. An inflatable support base is coupled to and underlies the slide and includes transversely extending inflatable air passages received on the steps and supporting the underside of the slide in spaced relation with the underlying steps.