FIELD: machine building.
SUBSTANCE: invention relates to machine building, particularly to swivels. Three-movable kinematic pair consists of direct chute with cylindrical bottom and located in it of second link in form of circular barrel with ball segments rigidly installed on ends. In direction of axis X circular barrel can move, and about axes Y and Z - rotationally.
EFFECT: higher reliability is achieved.
1 cl, 4 dwg
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