Patent ID: 7275706

Claim:
A spool for a spinning reel comprising: a cylindrical bobbin trunk having an outer periphery configured for winding fishing line thereon; a front flange portion including a first protruding portion that protrudes outward in a radial direction from a front end portion of the bobbin trunk, and a first oblique portion that protrudes forward from a tip of the first protruding portion, the first oblique portion having a diameter that increases from the tip of the first protruding portion to a front end side of the first oblique portion; a rear flange portion including a second protruding portion that protrudes outward in the radial direction from a rear end portion of the bobbin trunk, and a second oblique portion that protrudes rearward from a tip of the second protruding portion, the second oblique portion having a diameter that increases from the tip of the second protruding portion to a rear end side of the second oblique portion, the second protruding portion having a length that is approximately the same as a length of the first protruding portion in the radial direction; and a cylindrical portion that protrudes rearward from a tip of the second obliqiue portion.