ADJUSTABLE CHAIR Russian patent published in 2018 - IPC A47C3/20 A47D1/04 

FIELD: personal and household items.

SUBSTANCE: invention relates to furniture for sitting and is aimed at improving the safety of the structure when used. Adjustable chair contains a back, seat, footrest and screed left and right sidewalls, where each of the sidewalls is L-shaped, where a long segment with two rows of holes on the lateral surface is inclined at an acute angle to the horizontal short segment. To the horizontal short segments of the left and right sidewalls in the front part horizontal plates are fixed, directed to the working order forward, behind the front dimension of the chair, and in the back part the screed is attached, connecting the sidewalls. To the inclined long segments, the sidewalls are fixed in the upper part of the back, below the seat and footrest, consisting of plates and attached to the plates from below on the right and left side of the figured side panels with through holes on the side surfaces, that are combined with holes in the sidewalls and fixed by fasteners.

EFFECT: adjustable stool is suggested.

4 cl, 5 dwg