Patent ID: 8782959
Filing Date: 2014-07-22
Classification: E04B,E04H

Abstract:
1. A riser assembly comprising: a first skin; a second skin spaced from said first skin; a core disposed between said first skin and said second skin, said core including a plurality of subpanels; and a framework including a plurality of beams disposed between said first skin and said second skin, said core being received within a space defined by said framework, and a portion of said framework positioned laterally outside said core, each of said plurality of subpanels being received within one of a plurality of spaces defined by said framework, and said plurality of beams defining a perimeter about each of said subpanels, wherein said first skin, said second skin and said framework are configured to enclose said core, said first skin and said second skin being separate and distinct from said framework; and said framework comprising an upper framework and a lower framework, said upper and lower framework being spaced by a plurality of ribs, each of said plurality of ribs extending substantially between a front facing edge and a rear facing edge of one of said upper and lower frameworks.