FIELD: building, particularly window or door pulley structures.
SUBSTANCE: plastic profile comprises longitudinal wall joined by one side thereof with connection member and by another side thereof with longitudinal ribs. Each rib has widened part extending along outer rib edge on one rib side. Widened rib part is inserted in connection groove of window or door pulley. Cross section of widened part has the form of round corner with angle of not less than 90o. Inner angle side is coupled to part arranged perpendicular to wall which in turn is connected to depression forming the less rib thickness in area of connecting thereof with wall.
EFFECT: reduced labor consumption of pulley assembling and disassembling.
4 cl, 7 dwg
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