Skylight structure

Claim 1

In a skylight structure for mounting on a flashed curb frame on residential buildings or the like having a single translucent glazing panel and a framework supporting said panel, the improvement comprising: a top framing member of said framework having a horizontal wall with a downwardly facing glazing groove at one end and a depending wall at the other end, said top framing member further including a wall depending from the underside of said horizontal wall terminating in a fork shaped channel; and a bottom framing member of said framework having a generally horizontal portion including an elevated bridge section having a pair of leg walls extending downwardly from the horizontal span of the bridge and terminating in a pair of spaced apart feet for mounting on top of the flashed curb frame, an upwardly facing glazing groove at one end of the bridge span, and a pair of walls extending upwardly intermediate the bridge span defining a U-shaped channel on top of the bridge span for receiving the forked shape channel of the top framing member therebetween, said bridge span having predrilled holes intermediate the channel walls and spaced apart at predetermined intervals so that a self-threading fastener can be passed between the feet and legs of the bridge span on the bottom framing member and extended through the predrilled hole into engagement with the inside walls of the fork shaped channel so that by tightening the fastener, the top framing member is pulled into tighter engagement with the bottom framing member clamping the translucent panel between glazing strips in the glazing grooves of the top and bottom framing members in a watertight relationship without a single exposed fastener holding the framework together.