| 摘要 |
PURPOSE: A master gear which a disk portion is attached to flange portion of gear attachment formed in shaft portion, thus shaft portion having gear attachment portion connecting shaft and gear member can be made of strong materials and gear member can be made of light materials is provided. So the master gear can be very light with keeping rigidity. CONSTITUTION: A master gear(11) for a spinning reel transmits a rotational torque of a handle assembly to a rotor via a pinion gear(12). The master gear(11) includes a master gear shaft(10), a gear attachment portion(11a), and a gear member(11b). The master gear shaft(10) is rotatable supported by a reel main body at both ends thereof, and has a first female screw portion and a second female screw portion(10d) formed on both end surfaces thereof. The gear attachment portion(11a) includes a flange portion(11d) which is formed on an inward position with respect to a portion of the gear attachment portion at which rotation of master gear shaft(10) is supported. The gear member(11b) includes a disk portion and a face gear portion. The disk portion(11e) is non-rotatable coupled to the flange portion of the gear attachment portion(11f). The face gear portion is formed on an outer peripheral portion(11f) of the disk portion(11b), and is adapted to couple with the pinion gear(12).
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