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 configured to be wound and unwound between a retracted state and an extended state, said screen including a screen material extending in a widthwise direction between opposed side edges and in a lengthwise direction between top and bottom edges, said screen ma
1. A roller blind, comprising: a screen configured to be wound and unwound between a retracted state and an extended state, said screen including a screen material extending in a widthwise direction between opposed side edges and in a lengthwise direction between top and bottom edges, said screen material having a mesh configuration defining an open area of said screen for allowing the passage of light therethrough, the open area corresponding to greater than 10% of a total area of said screen; anda plurality of slats, each slat of said plurality of slats including a first longitudinal edge coupled to said screen and a second longitudinal edge opposite said first longitudinal edge, each slat of said plurality of slats defining a curved profile between said first and second longitudinal edges;wherein:when said screen is in the extended state, said plurality of slats are configured to provide directional shading by blocking at least a portion of the light passing through said screen; andspacing between pairs of adjacent slats of said plurality of slats progressively increases or decreases between said top and bottom ends of said screen such that an amount of light capable of passing through said pairs of adjacent slats varies along the lengthwise direction of said screen. 2. The roller blind of claim 1, wherein the open area ranges from 40% to 50% of the total area of said screen. 3. The roller blind of claim 1, wherein the open area provides a view through said screen. 4. The roller blind of claim 1, wherein each slat of said plurality of slats is supported on said screen in a cantilevered arrangement at said first longitudinal edge when said screen is in the extended state such that said second longitudinal edge corresponds to a free unsupported end of each slat of said plurality of slats. 5. The roller blind of claim 1, wherein said first longitudinal edge is coupled to said screen along a width of said screen defined in the widthwise direction. 6. The roller blind of claim 1, wherein, when said screen is unwound to the extended state, said second longitudinal edge of each slat of said plurality of slats is spaced apart from said screen. 7. The roller blind of claim 1, wherein: said screen forms a spiral curve when wound to the retracted state; andthe curved profile of each slat of said plurality of slats defines a set curvature that matches a segment of the spiral curve across which each slat of said plurality of slats extends when said screen is in the retracted state. 8. The roller blind of claim 1, wherein a radius of curvature of the curved profile varies between adjacent slats of said plurality of slats. 9. The roller blind of claim 8, wherein: said plurality of slats are spaced apart along said screen in the lengthwise direction between said top and bottom ends; andwherein the radius of curvature is progressively increased between said adjacent slats in the lengthwise direction such that slats positioned closer to said bottom end define a larger radius of curvature than slats positioned closer to said top end. 10. The roller blind of claim 1, wherein a radius of curvature of the curved profile varies between said first longitudinal end and said second longitudinal end of each slat of said plurality of slats. 11. A roller blind, comprising: a screen configured to be wound and unwound between a retracted state and an extended state, said screen including a screen material extending in a widthwise direction between opposed side edges and in a lengthwise direction between top and bottom edges, said screen material having a mesh configuration such that a plurality of spaced apart apertures are defined within said screen between said opposed side edges and between said top and bottom edges, said plurality of spaced apart apertures defining an open area of said screen for allowing the passage of light therethrough; anda plurality of slats, each slat of said plurality of slats including a first longitudinal edge coupled to said screen and a second longitudinal edge opposite said first longitudinal edge, each slat of said plurality of slats being supported on said screen in a cantilevered arrangement at said first longitudinal edge when said screen is in the extended state such that said second longitudinal edge corresponds to a free unsupported end of each slat of said plurality of slats;wherein said plurality of slats are spaced apart from one another in the lengthwise direction along said screen such that a respective gap is defined in the lengthwise direction between said second longitudinal edge of each slat and said first longitudinal edge of an adjacent lower slat of said plurality of slats. 12. The roller blind of claim 11, wherein said first longitudinal edge is coupled to said screen along a width of said screen defined in the widthwise direction. 13. The roller blind of claim 11, wherein: said screen defines a width in the widthwise direction between a first side edge and a second side of said opposed side edges of said screen;each slat extends in the widthwise direction along the entire width of said screen such that a slat width of each slat is substantially the same as the width of said screen. 14. The roller blind of claim 13, wherein: each slat extends in the widthwise direction between a first slat side edge of each slat and a second slat side edge of each slat; andsaid first slat side edge of each slat is positioned at said first side edge of said screen and second slat side edge of each slat is positioned at said second side edge of said screen. 15. The roller blind of claim 11, wherein the open area corresponds to greater than 10% of the total area of said screen. 16. The roller blind of claim 15, wherein the open area ranges from 40% to 50% of a total area of said screen. 17. The roller blind of claim 11, wherein each slat of said plurality of slats defines a curved profile having a concave side facing away from said screen as said slat extends from said first longitudinal edge to said second longitudinal edge. 18. A roller blind, comprising: a screen configured to be wound and unwound between a retracted state and an extended state, said screen defining a width in a widthwise direction of said screen and a length in a lengthwise direction of said screen, said screen including a screen material extending continuously both in the widthwise direction between a first side edge of said screen and a second side edge of said screen and in the lengthwise direction between top and bottom edges of said screen, said screen material having a mesh configuration defining an open area of said screen for allowing the passage of light therethrough, the open area corresponding to greater than 10% of a total area of said screen; anda plurality of slats, each slat of said plurality of slats including a first longitudinal edge coupled to said screen and a second longitudinal edge opposite said first longitudinal edge, each slat of said plurality of slats being supported on said screen in a cantilevered arrangement at said first longitudinal edge when said screen is in the extended state such that said second longitudinal edge corresponds to a free unsupported end of each slat of said plurality of slats;wherein, when said screen is in the extended state, said plurality of slats are configured to provide directional shading by blocking at least a portion of the light directed towards the roller blind while still allowing a view through the roller blind between adjacent slats of said plurality of slats in a viewing direction oriented perpendicular to the lengthwise direction of said screen. 19. The roller blind of claim 18, wherein: each slat extends in the widthwise direction between a first slat side edge of each slat and a second slat side edge of each slat; andsaid first slat side edge of each slat is positioned at said first side edge of said screen and second slat side edge of each slat is positioned at said second side edge of said screen. 20. The roller blind of claim 18, wherein each slat is supported on said screen in a cantilevered arrangement at said first longitudinal edge when said screen is in the extended state such that said second longitudinal edge corresponds to a free unsupported end of each slat of said plurality of slats. 21. The roller blind of claim 18, wherein the open area ranges from 40% to 50% of a total area of said screen. 22. The roller blind of claim 18, wherein each slat of said plurality of slats defines a curved profile having a concave side facing away from said screen as said slat extends from said first longitudinal edge to said second longitudinal edge.
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