A roller blind is disclosed which provides horizontal slats for directional shading, enabling the application of a screen fabric which allows a greater portion of visible light to pass therethrough. The disclosed slatted roller blind is free from the usage of ladder cords and is simplistic in design
A roller blind is disclosed which provides horizontal slats for directional shading, enabling the application of a screen fabric which allows a greater portion of visible light to pass therethrough. The disclosed slatted roller blind is free from the usage of ladder cords and is simplistic in design. The disclosed slatted roller blind maintains a compact formation of a roller shade when retracted and has greater resistance to skewing along the longitudinal axis of the roller while being retracted. Furthermore, the disclosed slatted roller blind design is capable of being utilized as an outdoor or indoor blind.
대표청구항▼
1. A roller blind comprising: a screen adapted for being rolled about a longitudinal axis into a retracted state, whereby said screen forms a spiral curve about the longitudinal axis; anda plurality of slats, each slat in said plurality of slats having a width and a length, each slat in said plurali
1. A roller blind comprising: a screen adapted for being rolled about a longitudinal axis into a retracted state, whereby said screen forms a spiral curve about the longitudinal axis; anda plurality of slats, each slat in said plurality of slats having a width and a length, each slat in said plurality of slats being oriented on said screen in a lengthwise direction along the longitudinal axis and spaced from adjacent slats in said plurality of slats in a direction transverse to the longitudinal axis;wherein:said plurality of slats includes more than two slats and each slat in said plurality of slats is connected at a respective rear slat edge to said screen; andeach slat in said plurality of slats is thermoformed from a thermoformable material to have a set curvature to match the spiral curve on which each slat in said plurality of slats extends when said blind is in the retracted state, so that the radius of curvature of each slat in said plurality of slats increases from said connected rear slat edge of each slat in said plurality of slats to a free bottom edge thereof. 2. The blind of claim 1, wherein said plurality of slats includes first and second slats, said first slat being disposed closer to a top edge of said screen than said second slat, said first slat having an effective radius that is less than an effective radius of said second slat. 3. The blind of claim 2, wherein an open area of said screen is greater than ten percent. 4. The blind of claim 3, wherein the open area of said screen is between forty and fifty percent. 5. The blind of claim 1, wherein spacing between adjacent slats in said plurality of slats progressively changes as said slats in said plurality of slats are positioned further from a top edge of said screen. 6. The blind of claim 5, wherein said progressive change is linear. 7. The blind of claim 1, wherein spacing between adjacent slats in said plurality of slats increases as said slats in said plurality of slats are positioned further from a top edge of said screen. 8. The blind of claim 1, wherein spacing between adjacent slats in said plurality of slats decreases as said slats in said plurality of slats are positioned further from a top edge of said screen. 9. The blind of claim 1, wherein spacing between adjacent slats in said plurality of slats is constant from a top edge of said screen to a bottom edge of said screen. 10. The blind of claim 1, wherein said screen is rolled about a roller, and a depth of each slat in said plurality of slats is proportional to a diameter of the roller. 11. The blind of claim 1, wherein a width of said screen and a length of each slat in said plurality of slats are equal. 12. The blind of claim 1, wherein said slats in said plurality of slats are connected to said screen via a hot-melt application. 13. The blind of claim 1, wherein said slats in said plurality of slats are opaque. 14. The blind of claim 1, wherein said slats in said plurality of slats are PVC, PET, or PC film. 15. The blind of claim 1, wherein said slats in said plurality of slats are thermo-formable at between 170 and 250 degrees F. 16. The blind of claim 1, wherein said screen is a woven or knit fabric. 17. The blind of claim 1, wherein said screen fabric is semi-sheer or sheer. 18. The blind of claim 1, wherein said screen is fabricated from aluminum, plastic, vinyl, fiberglass, or a core-and-sheath material. 19. The blind of claim 1, wherein said screen is a core-and-sheath material including a vinyl-coated fiberglass yarn or a polyethylene coated polypropylene yarn. 20. The blind of claim 1, wherein said screen forms a mesh pattern angularly offset from the longitudinal axis. 21. The blind of claim 20, wherein said mesh pattern is offset by forty five degrees from the longitudinal axis. 22. The blind of claim 1, further comprising a drive system coupled to a roller attached to said screen for moving said screen between an extended state and the retracted state. 23. The blind of claim 22, wherein said drive system includes an electric motor. 24. The blind of claim 23, further comprising a switch for remotely operating said drive system. 25. The blind of claim 24, wherein said switch is wirelessly connected to said drive system. 26. The blind of claim 22, wherein said drive system is a pull cord and gear assembly. 27. A blind assembly including said blind of claim 22, and further comprising a roller and a headrail which is large enough to conceal said blind and said roller in the retracted state and conceal said drive system. 28. The blind of claim 1, further comprising a weighted bottom rail. 29. A blind assembly comprising said blind of claim 1, and further comprising a frame for housing said blind. 30. The blind of claim 1, wherein the spacing between adjacent slats in said plurality of slats is greater than the width of each of said adjacent slats. 31. The blind of claim 1, wherein the spacing between adjacent slats in said plurality of slats is less than the width of each of said adjacent slats. 32. The blind of claim 1, wherein the spacing between adjacent slats in said plurality of slats is equal to the width of each of said adjacent slats. 33. The blind of claim 1, wherein each slat in said plurality of slats has substantially the same circumferential dimension. 34. The blind of claim 5, wherein said progressive change is nonlinear. 35. A roller blind comprising: a screen adapted for being rolled about a longitudinal axis into a retracted state, whereby said screen forms a spiral curve about the longitudinal axis; anda plurality of slats, each slat in said plurality of slats having a width and a length, each slat in said plurality of slats being oriented on said screen in a lengthwise direction along the longitudinal axis and spaced from adjacent slats in said plurality of slats in a direction transverse to the longitudinal axis;wherein: said plurality of slats includes more than two slats and each slat in said plurality of slats is connected at a respective rear slat edge to said screen; andeach slat in said plurality of slats is formed to have a permanently set curvature defined by and matching a segment of the spiral curve on which said plurality of slats extends when said blind is in the retracted state, so that the radius of curvature of each slat in said plurality of slats increases from said connected rear slat edge of each slat in said plurality of slats to a free bottom edge thereof. 36. The blind of claim 35, wherein said plurality of slats includes first and second slats, said first slat being disposed closer to a top edge of said screen than said second slat, said first slat having an effective radius that is less than an effective radius of said second slat. 37. The blind of claim 35, wherein a depth of said slats in said plurality of slats is proportional to a diameter of a roller that is attached to said screen.
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