Patent ID: 6840562

Claim:
A windup window shade for regulating the entry of light through a window into the interior of a motor vehicle, comprising: windup window shade means, comprising first and second window shade webs that are separate from each other, which can be brought into first, second and third different operational states, wherein in the first operational state no reduction of the entry of the light takes place, in the second operational state a reduction of the light entering the interior takes place, and in the third operational state a reduction of the light takes place which differs from the first and second states, drive mechanisms designed for taking the windup window shade means from one of said operational states into another of said operational states, storage means for storing the windup window shade means in at least one of said operational states, and, guide means forming a pair of first guide grooves extending for a distance along a side of the first window shade web, when extended, for guiding a first traction rod, and a pair of second guide grooves extending for a distance along a side of the second window shade web, when extended, for guiding a second traction rod, and the first guide grooves and the second guide grooves terminate in an associated shunt, from which only one said guide groove continues, with the only one said guide groove extending for a further distance along a respective window edge.