FIELD: machine building.
SUBSTANCE: proposed inductor comprises inducing wire coiled about guide section and is bent in spatial variable-pitch spiral with vertical axis of symmetry inscribed in one-sheet hyperboloid surface or similar 2nd-order surfaces. Guide section features rectangular cross-section while larger sides of guide section are inclined through 45° relative to vertical axis of symmetry of the device.
EFFECT: ruled outslipping or spinning of balls in rolling on spiral guide section.
3 dwg
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