FIELD: door and window accessories. SUBSTANCE: the finishing fastener has a cam in the form of a toothed oval gear or a toothed sector and a roller engaged by its gear ring with the cam teeth. The roller is installed for rotation on a horizontal axle linked with a leaf for transformation of the leaf rotary motion about the axle of the hinges to the leaf translational motion upwards and of the leaf translational motion downwards to its rotary motion about the axle of the hinges. The roller on the axle is secured in the lower part of the leaf, with its working surface resting on the bearing surface. The roller axle is mounted in the leaf groove for vertical movement, and the cam is secured on the leaf for turning or rotation. EFFECT: enhanced operating indices of the finishing fastener. 4 cl, 2 dwg
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