ДВУХПОВОРОТНЫЙ ПЕРСТЕНЬ-КЛЮЧ-ОТВЕРТКА

摘要

FIELD: manual tools, namely for screwing/unscrewing fastening members having slit or cross groove. ^ SUBSTANCE: ring-wrench-screw driver includes driving part in the form of ring having two ring halves, leaf spring and changeable heads. One of changeable heads is rod of screw driver. In driving part pivot with turning for quick-release thrust washer is mounted. Said washer is used for holding changeable heads having openings for mounting on pivot with possibility of rotation and grooves. Leaf spring is double-side one and it is secured to driving part with possibility of engaging by its one side with wall of groove of changeable head at working rotation of ring halves and with possibility of disengaging at idle rotation of ring halves. ^ EFFECT: possibility of screwing and unscrewing without separation of tool from fastening member. ^ 3 dwg