Screen element for motor vehicles; in particular, wind blocker

1. A windstop device for a convertible comprising:

a wind blocker adapted to be arranged behind headrests of seats of said convertible and projecting upward beyond a belt line of said convertible, said wind blocker comprising a screen element, said screen element having:

a stabilizing structure extending in a surface area, said stabilizing structure comprising a web structure having openings between webs thereof and providing stability to said screen element, and

a piece of flat material extending in said surface area, said stabilizing structure maintaining said piece of flat material in a position in which the piece of flat material extends over said surface area within an outer contour of said stabilizing structure;

at least one connection between the stabilizing structure and the piece of flat material for keeping the piece of flat material extended in said surface area; and

fixing means for fixing said windstop device to said convertible.

2. A windstop device in accordance with claim 1 , wherein said stabilizing structure comprises an outer rim element connected to said web structure.

3. A windstop device in accordance with claim 2 , wherein said piece of flat material is fixed to said rim element of said stabilizing structure.

4. A windstop device in accordance with claim 2 , wherein said rim is provided with a receiving means for an outer edge portion of said piece of flat material.

5. A windstop device in accordance with claim 4 , wherein said outer edge portion of said piece of flat material is retained in said receiving mean by an insert.

6. A windstop device in accordance with claim 5 , wherein said insert is part of a cover element.

7. A windstop device in accordance with claim 1 , wherein said stabilizing structure comprises an outer frame connected to said web structure.

8. A windstop device in accordance with claim 1 , wherein said webs are interconnected with each other.

9. A windstop device in accordance with claim 8 , wherein said webs are interconnected at points of intersection thereof.

10. A windstop device in accordance with claim 8 , wherein at least some of said webs extend parallel to each other.

11. A windstop device in accordance with claim 10 , wherein a first number of webs extend parallel to one direction and a second number of webs extend parallel to a second direction, said second direction extending transversely to said first direction.

12. A windstop device in accordance with claim 11 , wherein said first and second directions extend transversely to rim supports forming said rim element.

13. A windstop device in accordance with claim 1 , wherein said stabilizing structure comprises crossovers forming said webs of said web structure.

14. A windstop device in accordance with claim 1 , wherein said web structure is formed as an integral part.

15. A windstop device in accordance with claim 14 , wherein said stabilizing structure is formed as an integral part.

16. A windstop device in accordance with claim 1 , wherein said web structure extends on at least one side of said piece of flat material.

17. A windstop device in accordance with claim 1 , wherein said flat material extends in a first surface and said web structure extends in a second surface which is different from said first surface.

18. A windstop device in accordance with claim 17 , wherein said first surface and said second surface extend essentially parallel to each other.

19. A windstop device in accordance with claim 1 , wherein said piece of flat material is made of a material with bending slackness.

20. A windstop device in accordance with claim 1 , wherein said piece of flat material is a wind-tight material.

21. A windstop device in accordance with claim 1 , wherein said piece of flat material is made of an air-permeable material provided with openings.

22. A windstop device in accordance with claim 21 , wherein said openings in said piece of flat material are smaller than said openings in said web structure.

23. A windstop device in accordance with claim 1 , wherein said piece of flat material comprises at least one of a woven, knitted, and braided fabric.

24. A windstop device in accordance with claim 1 , wherein said piece of flat material comprises a foil provided with openings.

25. A windstop device in accordance with claim 1 , wherein said piece of flat material is made of elastic material which can be tensioned in at least one direction.

26. A windstop device in accordance with claim 1 , wherein said piece of flat material is an inelastic material.

27. A windstop device for a convertible comprising:

a wind blocker adapted to be arranged behind headrests of seats of said convertible and projecting upward beyond a belt line of said convertible;

a cover adapted to cover a section behind said wind blocker;

at least one of said wind blocker and said cover comprising a screen element, said screen element having:

a stabilizing structure extending in a surface area, said stabilizing structure comprising a web structure having openings between webs thereof and providing stability to said screen element; and

a piece of flat material extending in said surface area, said stabilizing structure maintaining said piece of flat material in a position in which the piece of flat material extends over said surface area within an outer contour of said stabilizing structure;

at least one connection between the stabilizing structure and the piece of flat material for keeping the pieces of flat material extended in said surface area; and

fixing means for fixing said windstop device to said convertible.

28. A windstop device in accordance with claim 27 , wherein said piece of flat material is a wind-tight material.

29. A windstop device in accordance with claim 27 , wherein said piece of flat material is made of an air-permeable material provided with openings.

30. A sun screen for motor vehicles, comprising:

a stabilizing structure extending in a surface area, said stabilizing structure comprising a web structure having openings between webs thereof and providing stability to said sun screen;

a piece of flat material extending in said surface area and made of at least one of an air permeable material with openings and a sun-screening material, said stabilizing structure maintaining said piece of flat material in a position in which the piece of flat material extends over said surface area within an outer contour of said stabilizing structure; and

at least one connection between the stabilizing structure and the piece of flat material for keeping the piece of flat material extended in said surface area.

31. A windstop device for a convertible, comprising:

at least one wind blocking screen adapted to be arranged behind headrests of seats of said convertible and projecting upward beyond a belt line of said convertible, said wind blocking screen comprising:

a stabilizing structure extending in a surface area, said stabilizing structure comprising a web structure having openings between webs thereof and providing stability to said screen, and

a piece of wind blocking flat material extending in said surface area, said stabilizing structure maintaining said piece of flat material in a position in which the piece of flat material extends over said surface area within an outer contour of said stabilizing structure; and at least one connection between the stabilizing structure and the piece of flat material for keeping the piece of flat material extended in said surface area.

32. A windstop device in accordance with claim 31 , wherein said piece of flat material is a wind-tight material.

33. A windstop device in accordance with claim 31 , wherein said piece of flat material is made of an air-permeable material provided with openings.