FIELD: machine building.
SUBSTANCE: invention relates to machine building, particularly, to jointly rotating parts connection devices. Conical bushing is made in truncated cone fore and has through side cutout. Side cutout is made with helical shape with one revolution. Side cutout projection on plane perpendicular to cone axis may be represented by Archimedean spiral or logarithmic spiral.
EFFECT: higher reliability of bushing operation.
3 cl, 4 dwg
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