초록 ▼

A double-glazed window apparatus for use at a sloped angle is disclosed having an insulating roller shade assembly extendable between the glazings in a U-shaped loop for insulating or shading. The apparatus includes supports for holding the sheet in spaced relation to the glazing and maintaining def

A double-glazed window apparatus for use at a sloped angle is disclosed having an insulating roller shade assembly extendable between the glazings in a U-shaped loop for insulating or shading. The apparatus includes supports for holding the sheet in spaced relation to the glazing and maintaining defined air spaces for insulation. A lower portion of the sheet is supported by stationary supports while an upper portion is supported by cross bars attached to the sheet and riding on slideways along both side edges thereof.

대표청구항 ▼

An improved window apparatus capable of shading and insulating against conductive, convective and radiant heat transmission and designed for securement to a surrounding structure so as to reside at a sloped angle to horizontal, said window apparatus comprising: a frame structure having a top end, a

An improved window apparatus capable of shading and insulating against conductive, convective and radiant heat transmission and designed for securement to a surrounding structure so as to reside at a sloped angle to horizontal, said window apparatus comprising: a frame structure having a top end, a bottom end, two opposing sidewalls, and upper and lower glazings, said glazings being fixed in opposing, substantially parallel relation by said frame structure top end, bottom end, and opposing side walls; an insulating shade assembly mounted internal said frame structure between said glazings, said shade assembly being operable between a retracted position and an extended position; said shade assembly including a reflective sheet having two ends and two side edges, said sheet being secured at one of said ends to a driveable shade roller, said shade roller being mounted near said frame structure top end, the other end of said sheet being fixedly secured to the frame structure near its top end, said shade assembly also including a tensioning roller resting on said sheet between said sheet ends, said tensioning roller providing tensioning of said sheet in a downward direction, said sheet having a substantially U-shaped configuration when extended such that an upper portion and a lower portion of said sheet are defined; a plurality of first support members affixed only to the upper portion of said sheet so as to extend from and retract to said shade roller with said sheet, said first support members each having two ends, each of said first support members having an arcuate cross-section and each being configured such that it conforms to the shape of said shade roller when said sheet is retracted; and two slideways secured to said frame structure on opposing side walls, said first support members' ends being sized and shaped to engage and ride on said slideways as said sheet is extended and retracted, said first support members being sufficiently rigid so as to maintain in cooperation with the tensioning roller the upper portion of said sheet in a plane substantially parallel said glazings when said sheet is extended, said lower portion of said sheet having a width less than the distance between said two opposed slideways such that said lower portion rests below said slideways when said sheet is extended.