BOBBIN

摘要

The preset invention relates to a bobbin comprising:
- a cylindrical part (111) around which a wire is wound;
- wing parts (112a, 112b) provided at left and right sides of the cylindrical part (111), having diameters greater than a diameter of the cylindrical part, and having a plate shape;
- a through hole (113) defined through a central portion of the cylindrical part (111) and central portions of left and right wing parts; and
- an anti-rolling unit for the bobbin,
- wherein the anti-rolling unit for the bobbin includes a plurality of first regions (160) and a plurality of second regions (170) alternately formed on outer peripheral surfaces of the wing parts (112a, 112b) having the plate shape, in which two adjacent first regions (160) or two adjacent second regions (170) make contact with a flat surface.