Patent ID: 7663284

Claim:
A bobbin comprising: a bobbin body comprising: a top surface formed at one end of the bobbin body; a bottom surface formed at an opposite end of the bobbin body; and a side surface located between the top surface and the bottom surface; two top sidewalls extending radially outward from the top surface of the bobbin body; two bottom sidewalls extending radially outward from the bottom surface of the bobbin body, wherein the top and bottom sidewalls are staggered so that there is no overlap area between the top sidewall and the bottom sidewall along an axial direction of the bobbin body; a plurality of top tabs extending away from the top surface, wherein each of the top sidewalls extends from a position of the top surface entirely between two adjacent tabs of the top tabs; and a plurality of bottom tabs extending away from the bottom surface, wherein each of the bottom sidewalls extends from a position of the bottom surface entirely between two adjacent tabs of the bottom tabs.