PROBLEM TO BE SOLVED: To provide a spool for a spinning reel, made light in weight by a simple practice, along with putting the inside thereof to waterproofness by an inexpensive construction.SOLUTION: The spool has the following construction: A front flange-fixing member 9 comprises a cylindrical inner part 9c with its outer circumferential surface attached onto the inner side surface of the cylindrical part 16a extending from the inner side rear part of a front hook part 9a to a position in front of the front end of a housing wall part 16g and an extended part 9d extended from the rear end of the cylindrical inner part 9c to the inside thereof, wherein the extended part 9d comprises a plate-like part 9e extending from the rear end of the cylindrical inner part 9c to the inside thereof and a cylindrical part 9g cylindrically integratedly formed on the inner circumference of the plate-like part 9e with one end face of a waterproof member 80 contactable with the inner side surface, wherein the waterproof member 80 is disposed in between the front flange-fixing member 9 and the press member 61b of the knob 61 of a drag mechanism 60 and nipped with both edge faces thereof in contact with the inner side surface of the cylindrical part 9g of the extended part 9d and the outer side surface of the press member 61b of the knob 61.COPYRIGHT: (C)2008,JPO&INPIT【課題】スピニングリールのスプールにおいて、安価な構成でスプール内部を防水できるようにするとともに、容易な工程でスプール全体の軽量化を図る。【解決手段】前フランジ固定部材9は、外周面が筒状部16aの内側面に装着され前鍔部9aの内側後部から収納壁部16gの前端部より前方となる位置まで延びる筒状の内筒部9cと、内筒部9cの後端部から内側に延びる延出部9dとを有している。延出部9dは、内筒部9cの後端部から内側に延びる板状部9eと、板状部9eの内周部に筒状に一体成形され内側面に防水部材80の一端面が接触可能な円筒部9gとを有している。防水部材80は、前フランジ固定部材9とドラグ機構60のつまみ部61の押圧部材61bとの間に配置され、両端面が延出部9dの円筒部9gの内側面とつまみ部61の押圧部材61bの外側面とに接触して挟持されている。【選択図】図3
