Abstract: A handle assembly 1 for a spinning reel includes handle shafts 1a, and a handle arm 1b that is detachably mounted to a handle shaft 1a. The handle arm 1b has a through hole 1j formed in the base end thereof. A male threaded portion 80c of the handle shaft 1a is mounted in the through hole 1j, and the handle arm 1b is detachably installed on the handle shaft 1a by a nut member 90a. A cap member 90f that covers the entire nut member 90a is mounted to the outer periphery of the nut member 90a. A male threaded portion 90e is formed on the tip of the cap member 90f, and the cap member 90f is fixed to the nut member 90a by screwing the male threaded portion 90e to a female threaded portion 90d formed on a head portion of the nut member 90a.

Abstract: A rotor of a spinning reel includes a rotor unit, and a fishing line guide portion. The rotor unit has a body portion that is rotatably mounted on the reel unit, and first and second rotor arms that each extend forward from opposing positions on the outer peripheral surface of the body portion. The fishing line guide portion is mounted only on the first rotor arm. The first and second rotor arms are formed such that a line L1 drawn along the pivot center axis of the fishing line guide portion of and a line L2 drawn through the width-wise center of the second rotor arm and substantially parallel to the first line L1 are on opposite sides of the rotational axis X of the body portion. A spinning reel rotor having a fishing line guide portion arranged on only one rotor arm can maintain rotational balance.

Abstract: A spinning-reel reel unit has a housing unit, a first lid, a second lid, a rod-attachment portion, and a cover member. The housing unit has a housing space formed therein for accommodating and supporting a drive mechanism. The first lid is fixedly coupled to a side of the housing unit detachably/reattachably, and includes a first cover portion and a first cut-out. The second lid is fixedly coupled to another side of the housing unit detachably/reattachably, and includes a second cover portion and a second cut-out. The rod-attachment portion is formed integrally with the housing unit and is adapted to be mounted onto a fishing rod. The cover member covers both of the cut-outs of when the lids are fitted to the housing unit. In the spinning-reel reel unit, weight reduction can be achieved even when a cover member is provided.

Abstract: A master gear includes a shaft made of an aluminum alloy, a gear portion, and an annular member made of stainless steel alloy. The shaft is screwed onto a handle shaft, a gear portion that is integrally formed on the outer periphery of the shaft. The shaft is supported by the reel unit at rotational support portions via bearings and has female threaded portions on its ends such that the handle is screwed to one of the female threaded portions. The gear portion is arranged on an outer periphery of the shaft portion between the rotational support portions, and meshes with a pinion gear. The annular portion is mounted to the outer periphery of the shaft such that at least part of the annular member is disposed not between the rotational support portions. With this structure, it is easy to remove bearings from a master gear of a spinning reel.

Abstract: A spinning-reel reel unit has a housing unit, a first lid, a second lid, a rod-attachment portion, and a cover member. The housing unit has a housing space formed therein for accommodating and supporting a drive mechanism. The first lid is fixedly coupled to a side of the housing unit detachably/reattachably, and includes a first cover portion and a first cut-out. The second lid is fixedly coupled to another side of the housing unit detachably/reattachably, and includes a second cover portion and a second cut-out. The rod-attachment portion is formed integrally with the housing unit and is adapted to be mounted onto a fishing rod. The cover member covers both of the cut-outs of when the lids are fitted to the housing unit. In the spinning-reel reel unit, weight reduction can be achieved even when a cover member is provided.

Abstract: A reel unit has a housing unit, a first lid, a second lid, and a rod-attachment portion. The housing unit has an accommodation space formed in the interior thereof that accommodates and supports a drive mechanism. The drive mechanism has a master gear non-rotatably coupled to a master gear shaft. The first lid is made of a metal and is fixedly coupled to the housing unit to interpose the master gear with the housing unit. The second lid is made of a synthetic resin and is fixedly coupled to the housing unit to close the accommodation space. The rod-attachment portion is formed integrally with the housing unit and can be mounted onto a fishing rod.

Abstract: A handle assembly 1 for a spinning reel includes handle shafts 1a, and a handle arm 1b that is detachably mounted to a handle shaft 1a. The handle arm 1b has a through hole 1j formed in the base end thereof. A male threaded portion 80c of the handle shaft 1a is mounted in the through hole 1j, and the handle arm 1b is detachably installed on the handle shaft 1a by a nut member 90a. A cap member 90f that covers the entire nut member 90a is mounted to the outer periphery of the nut member 90a. A male threaded portion 90e is formed on the tip of the cap member 90f, and the cap member 90f is fixed to the nut member 90a by screwing the male threaded portion 90e to a female threaded portion 90d formed on a head portion of the nut member 90a.

Abstract: A rotor of a spinning reel includes a rotor unit, and a fishing line guide portion. The rotor unit has a body portion that is rotatably mounted on the reel unit, and first and second rotor arms that each extend forward from opposing positions on the outer peripheral surface of the body portion. The fishing line guide portion is mounted only on the first rotor arm. The first and second rotor arms are formed such that a line L1 drawn along the pivot center axis of the fishing line guide portion of and a line L2 drawn through the width-wise center of the second rotor arm and substantially parallel to the first line L1 are on opposite sides of the rotational axis X of the body portion. A spinning reel rotor having a fishing line guide portion arranged on only one rotor arm can maintain high rotational balance.

Abstract: A handle assembly is detachably screwed onto a master gear shaft, on which a master gear is provided. The handle assembly includes an approximately T-shaped handle grip, a handle arm on which the handle grip is rotatively mounted, and a handle shaft on which the base of the handle arm is mounted. The handle shaft has a three piece structure including a tubular main shaft unit, a first shaft portion that is screwed onto one end of the main shaft unit and the master gear shaft, and a second shaft portion that is mounted on the other end of the main shaft unit and the base of the handle arm. In a screw type handle assembly for a spinning reel, it is possible to maintain rigidity of the handle shaft at a high level while reducing the overall weight of the handle shaft.