ANTHROPOMORPHIC ROTATABLE SUPPORT OF UPPER PART OF SEAT BACK Russian patent published in 2020 - IPC B60N2/02 B60N2/20 

FIELD: transport machine building.

SUBSTANCE: invention relates to a seat backrest for a vehicle seat assembly and, in particular, to a seat back, having an anthropomorphic rotatable support of the upper seat backrest. Vehicle seat assembly includes a lower part of the seat and a seat back structure extending upward relative to the lower part of the seat. At that, lower part of seat and seat back structure form seat point H. Seat backrest structure supports seat top and bottom parts and separation there between. Separation is located between 270 and 300 mm above the point H along the line extending substantially parallel to the design of the seat back. Support of upper part of seat back rotates on hinge between rear and front positions relative to support of lower part of seat back. Motorized drive assembly is located inside the seatback structure and is functionally connected to the seat backrest upper support. At that, the motorized drive unit rotates the seat backrest upper part support on the hinge between the rear position and the front position.

EFFECT: increased safety during operation.

18 cl, 18 dwg