FIELD: mechanical engineering. SUBSTANCE: joint includes body with flange fitted with spring-loaded locking member made in form of rod with tabs secured in its lower portion. These tabs are revolving on one axle. Rod is also provided with slot and recesses for tabs. Rod has button in its upper portion for opening the joint. Body of joint is provided with ring located in lower portion. This ring has inclined inner surface engageable with tabs for horizontal motion of their ends. In its center portion body of joint is provided with spring-loaded plate. EFFECT: enhanced reliability. 4 dwg
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