FIELD: apparatuses designed for dismounting treaded joints.
SUBSTANCE: apparatus includes tool and guiding sleeve. Stem of tool has outer thread whose pitch is equal to that of unscrewed screw, bolt or nut. Sleeve has annular stop and inner thread forming together with tool stem screw pair. Sleeve through nut engages with bracket. The last sets position of tool relative to coordinate system of unscrewed screw, bolt or nut. In one end of tool stem with thread there is square for joining changeable heads for screws, bolts or nuts. In other end of tool stem there is cylindrical head with opening for placing tap wrench. It provides displacement and unscrewing of screws, bolts, nuts reliably locked by means of high effective means.
EFFECT: prevention of stripping of threaded tool.
2 cl, 2 dwg
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