Patent ID: 8353500

Claim:
A pre-manufactured fence system, comprising: extruded hollow fence post members each having wall structure defining at least one key-way located along the length thereof; extruded fence rail members each being of substantially hollow construction and having ends defining connection bracket receiving compartments, said extruded fence rail members each defining opposed side walls and defining at least one of an upper or lower fence picket slot extending along the length thereof; said side walls of each said fence rail member having at least one of spaced upper or lower ends to define a respective one of said upper or lower slots to permit insertion of lower or upper ends of picket and panel members through said slot; connection bracket key members having portions thereof located within said connection bracket receiving compartments and defining a bracket bar mount; at least one bracket bar member being secured to said bracket bar mount by at least one fastener and being received within said key-way, said at least one fastener being located within said key-way and securing said bracket bar at a desired position within said key-way; and an internal transverse wall extending substantially the length of each of said extruded rail members and being connected with each of said opposed side walls and being oriented to enhance the structural integrity of said extruded fence rail members and resist twisting and bending of said fence rail member by wind loads and other forces, wherein the internal transverse wall forms an upper wall of said connection bracket receiving compartment and matingly engages said connection bracket key member.