Patent ID: 8220207

Claim:
A roof structure having an upstanding cylindrical wall comprising: a plurality of roof rafters, each extending from a top edge of the wall to a top support member, with the rafters being angularly spaced around the wall and with each rafter being inclined upwardly and inwardly from the wall to the top support member; at least one row of sheet metal panels connected edge to edge so as to cover at least part of the rafters and define a conical roof; wherein there is provided at least one roof panel support member supported from the rafters above the rafters for supporting the panels of said at least one row of panels; said roof panel support member being located at a position part way down the panels; the roof panel support member being circular so as to engage all of the roof panels supported thereby substantially across the full width of each panel; wherein the roof panel support member is supported from the rafters to hold the roof panel support member and the panels engaged thereby spaced upwardly from the rafters.