Patent ID: 7717158

Claim:
A side window roll-up shade for motor vehicles ( 1 ) with a side window ( 14 ) having a bottom window edge ( 28 ) and a top window edge comprising: a wind-up shaft ( 31 ) supported for rotation underneath the bottom edge ( 28 ) of the side window, a roll-up shade material ( 29 ) having a shape corresponding to the shape of the side window ( 14 ), said roll-up shade material ( 29 ) having one edge attached to the wind-up shaft ( 31 ) and a second edge away from the wind-up shaft ( 31 ), a pull rod ( 34 ) attached to said second edge of the roll-up shade material ( 29 ) away from the wind-up shaft ( 31 ), at least one support rod ( 36 , 37 ) having a top end connected to the pull rod ( 34 ) and a bottom end, a guide device ( 38 , 39 ) for the support rod ( 36 , 37 ) arranged underneath the bottom edge ( 28 ) of the window for guiding the support rod ( 36 , 37 ) for vertical movement transversely to the bottom edge ( 28 ) of the window, a flexible linear traction element ( 69 ) co acting with a bottom end of the support rod ( 36 , 37 ), a spring motor ( 46 , 47 ) disposed underneath the bottom edge ( 28 ) of the side window to which an end of said traction element ( 69 ) is attached, said spring motor ( 46 , 47 ) having a spiral spring that operates with rotary motion, a gear motor ( 70 ) coupled to the wind-up shaft ( 31 ) for rotatably driving the wind-up shaft, and said spiral spring of said spring motor ( 46 , 47 ) being operable to cause said flexible linear traction element ( 69 ) to move said support rod ( 36 , 37 ) and pull rod ( 34 ) in response to said gear motor rotatably driving the wind-up shaft.