DOOR HINGE Russian patent published in 2017 - IPC E05D3/02 E05D7/00 G08B13/08 

FIELD: construction.

SUBSTANCE: door hinge is offered. It comprises the first wing with knuckles for fixing to the door frame, the second wing with knuckles for fixing to the door leaf, the rod is mounted in axial bores of knuckles with the possibility of rotation of wings around a common axis, and the voltage generator, arranged in the housing, mounted on the first wing from the fastening to the door frame. It comprises the lighting module connected to the voltage generator and mounted on the first wing from its mounting to the door frame on the side surface of each knuckle of the second wing the teeth are provided. The voltage generator is implanted in the form of at least one piezoelectric generator, which is mounted against the respective knuckle with the teeth of the second wing and comprises a piezoelectric plate by one end fixed in the housing and by free end mounted with the possibility of engagement with the teeth of the respective knuckle of the second wing during the door hinge turning.

EFFECT: design improvement.

3 cl, 4 dwg