FIELD: furniture.
SUBSTANCE: invention relates to the construction of furniture. Chair contains the seat base and the seat frame, including the seatback, the seat base and the footrest. Base of the chair contains rigidly connected cylinder shells in the form of a quadrilateral and rigidly connected to the legs of the legs. Inside the quadrangle formed by the kings, the frame of the seat is rigidly fixed without the possibility of turning in space. Seat back and the seat base form an angle α between each other, the seat base and the footrest form an angle β between them, with the angles α and β being selectable from 90–180 degrees.
EFFECT: chair is proposed that can be used to optimize the sitting position of a person.
42 cl, 44 dwg
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