FIELD: furniture industry, in particular, production of domestic or office armchairs.
SUBSTANCE: armchair has inflatable casings arranged in seat and back cushions and system adapted for regulation of pressure in inflatable casings and provided with receiver connected with inflatable casings through pressure charging and air relief valve unit. Armchair is furnished with at least one physical exercising device equipped with pneumatic loader coupled to receiver through regulating valve unit including inlet and outlet collectors, return valve for intake of air from atmosphere, return valve for supplying of pressurized air into receiver and mode change-over valve, said valves being arranged in parallel with one another. Pressure regulation system has controllable drain valve for controlling pressure in receiver, and noise suppressor.
EFFECT: improved comfort for user.
5 cl, 3 dwg
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