DOOR HINGE Russian patent published in 2009 - IPC E05D7/04 

FIELD: individual supplies.

SUBSTANCE: door hinge includes lower and upper hinge halves, fastening screws of hinge halves, protection caps of lower and upper hinge halves, fixation stopgap and adjustment unit. Lower hinge half is made in the form of lower support bracket out of cylindrical tube with through hole and adjustment rotation unit inserted in the hole. Upper hinge half is made in the form of upper bracket out of cylindrical tube transforming at two sides along the butt into double-grade cylindrical recess allowing for both right and left assembly of the hinge. Protective cap of lower hinge half is made as protective and ornamental cap for lower support bracket in the form of trapezoid arched prism from outside. Protective cap of upper hinge half is made as protective and ornamental cap for upper support bracket in the form of trapezoid prism from outside. Fixating stopgap is made ias fixation and ornamental stopgap with annular ledge at outer surface of cylindrical tube at a distance from upper basement equal to the distance from lower support bracket butts to annular grooves in the bracket. Adjustment unit is made in the form of adjustment plates and response adjustment plates of lower support bracket and upper bracket made of polyamide with additive based on highly integrated polyethylene.

EFFECT: improved reliability and lifetime of hinge, reduced door closing/opening effort in the process of operation due to prevented friction between work elements of hinge.

2 cl, 24 dwg