| 摘要 |
The subject of the application is an external roller blind equipped with a blocking mechanism, preventing the opening of the blind by lifting the slats up. The external roller blind is equipped with a set of perpendicularly jointed profile slats ( 1 ) sliding in guides (3,3'). A turning semi-circular hanger ( 6 ) of the lower profile slat ( 7 ) is placed in the socket ( 4 ) of the profile slat ( 5 ), equipped with opposite rectangular intrusions ( 8 ), ( 8 ') in the sliding guides ( 3 ), ( 3 ') area for the rotary and adjustable mounted pawls ( 9 ) and ( 9 '). The profile slat (7) has a lower ( 11 ) and upper ( 10 ) chamber divided by a crosswise reinforcement ( 12 ) inside of which there is a round passage ( 13 ) for a pin ( 14 ) of the pawl ( 9 ) and ( 9 ' ) and a spring ( 15 ), while the lower chamber includes a trapezoid ending ( 16 ) of the lower slat ( 17 ) reinforced by a flat ( 18 ). |
