Регулюючий пристрій прямокутного повітроводу

Abstract

A control device has body in which at symmetrical sides control-shutoff elements are arranged. At that the control-shutoff elements are made as control flexible metal plates and fixed to fixed axles that in their turn are attached to the body, on the opposite sides of the control flexible metal plates movable axles are fixed, each movable axle through control perforated beams is in engagement with worm reducers arranged on the body of the throttle device, on the sides of the body guide lugs are provided, and to the control perforated beams through cuts with notches provided on the body indicators are attached.