Sloped glazing structure

Claim 1

A sloped glazing structure adapted to support glazed panels and comprising an elongated horizontally extending sill defining a depending channel in its lower surface to receive a wall structure, said sill including a generally flat horizontally extending upper surface, said sill including an edge portion projecting beyond said depending channel to form at least a part of external gutter means for the sloped structure, rafters perpendicular said sill and sloping upwardly from said sill upper surface at an angle of at least 30 degrees thereto, each said rafter having a generally inverted T-shaped cross sectional shape such that laterally projecting lower portions of said T-shaped rafter define channels on either side of a vertically extending stem portion of said T-shape, each rafter channel defining portion having a support surface, each rafter stem portion further including an integral cap portion defined by laterally projecting flanges along the upper edge of said stem portion, L-shaped glazing stops secured to said rafter stem portions below said cap portions thereof to abut inclined lower edge portions of the glazed panel, horizontally extending purlin means between said rafters, said purlin means comprising a lower division bar having lower opposed flanged portions and defining a flat lower surface, said lower division bar flanged portions having end portions received on adjacent support surfaces of said channel defining rafters, each lower division bar further including at least one upwardly projecting flange, said purlin means further comprising an upper division bar secured to the lower bar and having flanged portions which cooperate with said flanged portions of said lower division bar to receive the glazed panel therebetween, at least one horizontally extending top rail having vertically spaced lands to abut an existing wall or the like, said top rail defining an elongated opening of channel shape to receive the upper ends of said rafters, and stop ridge means between said rafters and in said top rail channel, said stop ridge means comprising a lower stop ridge bar of L-shape with one flange facing upwardly, said one flange having end portions received on adjacent glazing support surfaces of said channel defining rafters, said L-shaped lower stop ridge bar having another flange secured to said top rail at the inner boundry of said channel shaped opening thereof.