UPPER ROTARY BRACKET FOR DOOR Russian patent published in 2020 - IPC E05D7/00 E05D15/02 

FIELD: construction.

SUBSTANCE: upper rotary bracket for doors consists of rectangular base with two holes made along longitudinal side (axis) of base for attachment to horizontal profile and additional fixation to automatic door drive trucks using screws, and one hole along longitudinal side (axis) of base for attachment to upper part of rotary shaft. Bracket also contains a rotary shaft, the diameter of which in the upper part in the attachment point to the base is less than the diameter from the opposite to the lower part of the shaft in the attachment point of the lower attachment element. At that, in upper and lower parts along longitudinal vertical axis of rotary shaft recesses for locking rings are made for fixation of two fastening elements (upper and lower) to vertical plane of rotary shaft. At that, the upper and lower attachment elements are made in the form of rectangular parallelepipeds, having three holes for attachment to the vertical lateral profile by means of screws, as well as one hole along longitudinal axis for connection with rotary shaft, connection is obtained with clearance, forming element of sliding bearing.

EFFECT: proposed upper rotary bracket for doors.

1 cl, 2 dwg