Locks for shutters Kyiv, installation of locks in shutters, Kyiv

Rollet repair Kyiv with guarantee. The spring-inertia mechanism uses the energy of the spring to raise the canvas, which is wound up when the canvas is lowered. The spring is located inside the shaft, on which the canvas is wound. The roller blind is lowered manually, after which it is fixed with the lower lock. The opening is carried out in the reverse order also manually, while the energy of the spring compensates for the muscle effort. Advantages of the spring-inertia mechanism: ease of control, ease of installation (there is no need to pass the drive through the outer wall of the building), low cost. Disadvantages: impossibility of control from inside the room, mandatory use of the lower lock. info.