THREADED JOINT Russian patent published in 2004 - IPC

FIELD: mechanical engineering, aircraft industry, shipbuilding, automotive industry and railway transport. SUBSTANCE: invention relates to mounting and construction jobs, namely, to bolt-nut threaded joints. Threaded joint housing is provided with seat for spring and projections getting into slots of "blind" nut. Seat for spring is made in "blind" nut. "Blind" nut is turned onto bolt when pressure is applied to housing and spring is compressed and when projections of housing get into slots of "blind" nut and when housing is turned clockwise. With spring released, i.e. when application of external force to housing is stopped and when projections of housing are brought out of slots of "blind" nut, housing is free to rotate in either side without coming into engagement with "blind" nut. EFFECT: provision of reliable threaded joint. 2 dwg