The door in the form of a trapezoid – not architectural elements and a simple and elegant solution to the problem of automatic closing doors that do not require a single additional detail. Instead of springs, hydraulic, pneumatic and even electronic devices works here… gravity. When opening such a door with a tilted axis (rotation its) center of gravity rises. Is to let go of the flap – the center of gravity will tend to occupy its original position, the door will slam shut.
Recommend to read
NEW POSSIBILITIES OF OLD TRANSFORMER
Adjusting household autotransformer ARB-250 I bought in the beginning, as they say, the days when it cost only 16 rubles. Immediately, without looking at the manual and connecting to...
“CURVE COLLECTION” COMBINED FLEET
After the Japanese turned their 155-mm pseudologia "Mogami" in a normal heavy cruiser, armed with jasminewebcam, the fleet of the Country of the rising sun was in a curious position....
