Abstract: A drive gear used for a fishing reel includes a disc portion having a rotational axis, and a gear tooth protruding from a side surface on an outer peripheral side of the disc portion in a direction in which the rotational axis extends. The gear tooth has a body part and an extended part extending radially inward from the body part. A first angle formed by a cylindrical surface around the rotational axis passing through an axially-outer surface of the body part and a radially-inner surface of the extended part is larger than a meshing pressure angle.

Abstract: A collar member is used for a spinning reel. The spinning reel has a reel body, a spool shaft that moves in a front-back direction with respect to the reel body, a pinion gear that rotates around the spool shaft, a rotor nut that rotates integrally with the pinion gear, and a bearing that is disposed between the spool shaft and the rotor nut in a radial direction and rotatably supports the rotor nut. The collar member is disposed between the spool shaft and the bearing in the radial direction. The collar member is formed by a resin material that has a linear expansion coefficient of 10×10?6 (1/° C.) or more and 50×10?6 (1/° C.) or less.

Abstract: A spinning reel has a reel body, a spool shaft, a spool, a spool ring, and a drag knob. The spool ring is disposed on the external radial portion of a front flange of the spool. The drag knob is disposed in front of the spool shaft. As seen from the outside of the spool ring in the radial direction, an angle formed by a tangent line, which passes through a contact point between an external radial portion and a spherical boundary and which is tangent to the spherical boundary, and a straight line, which is orthogonal to the spool shaft and which passes through the contact point, is less than or equal to degrees. The drag knob is disposed inside the spherical boundary.

Abstract: A spinning reel includes a reel body, a rotor, a bail arm, a rod, a coil spring, a swing member, and a tubular member. The rotor rotates with respect to the reel body. The bail arm is configured to swing with respect to the rotor. The bail arm has a bail and a bail support member that supports one end of the bail. The rod is connected to the bail support member. The coil spring is disposed around the outer circumference of the rod and presses the rod toward the bail support member. The swing member has a bottom that supports the coil spring and is swingably supported by the rotor. The tubular member is supported by the swing member. The tubular member is disposed in the inner circumference of the coil spring. The rod is configured to slide in accordance with a swing movement of the bail arm.

Abstract: A spinning reel has a reel body, a spool shaft, a spool, a spool ring, and a drag knob. The spool ring is disposed on the external radial portion of a front flange of the spool. The drag knob is disposed in front of the spool shaft. As seen from the outside of the spool ring in the radial direction, an angle formed by a tangent line, which passes through a contact point between an external radial portion and a spherical boundary and which is tangent to the spherical boundary, and a straight line, which is orthogonal to the spool shaft and which passes through the contact point, is less than or equal to degrees. The drag knob is disposed inside the spherical boundary.

Abstract: A collar member is used for a spinning reel. The spinning reel has a reel body, a spool shaft that moves in a front-back direction with respect to the reel body, a pinion gear that rotates around the spool shaft, a rotor nut that rotates integrally with the pinion gear, and a bearing that is disposed between the spool shaft and the rotor nut in a radial direction and rotatably supports the rotor nut. The collar member is disposed between the spool shaft and the bearing in the radial direction. The collar member is formed by a resin material that has a linear expansion coefficient of 10×10-6 (1/°C) or more and 50×10-6 (1/°C) or less.

Abstract: A spinning reel includes a reel body, a rotor, a bail arm, a rod, a coil spring, a swing member, and a tubular member. The rotor rotates with respect to the reel body. The bail arm is configured to swing with respect to the rotor. The bail arm has a bail and a bail support member that supports one end of the bail. The rod is connected to the bail support member. The coil spring is disposed around the outer circumference of the rod and presses the rod toward the bail support member. The swing member has a bottom that supports the coil spring and is swingably supported by the rotor. The tubular member is supported by the swing member. The tubular member is disposed in the inner circumference of the coil spring. The rod is configured to slide in accordance with a swing movement of the bail arm.

Abstract: A handle operation assist device includes a handle angular velocity measuring unit, an error calculator and a notification unit. The handle angular velocity measuring unit is configured to measure a handle angular velocity based on an output of a sensor configured to detect an angular velocity corresponding to rotation of a fishing reel handle. The error calculator is configured to calculate an error in the handle angular velocity with respect to a reference angular velocity. The notification unit is configured to carry out notification regarding the error.

Abstract: A drive gear used for a fishing reel includes a disc portion having a rotational axis, and a gear tooth protruding from a side surface on an outer peripheral side of the disc portion in a direction in which the rotational axis extends. The gear tooth has a body part and an extended part extending radially inward from the body part. A first angle formed by a cylindrical surface around the rotational axis passing through an axially-outer surface of the body part and a radially-inner surface of the extended part is larger than a meshing pressure angle.

Abstract: A casting evaluation device includes a frequency derivator and a casting evaluator. Thee frequency derivator derives a frequency of sound or vibration based on an output of a sensor that detects the vibration or the sound that accompanies the release of a fishing line from a spool of a fishing reel. The casting evaluator evaluates prescribed evaluation items related to casting based on the frequency derived by the frequency derivator.

Abstract: A gear mechanism for a fishing reel includes a drive gear, a handle, and a vibration damper. The drive gear includes a gear having a prescribed gear diameter, and a drive gear shaft rotated together with the gear and having a smaller dimension than the prescribed gear diameter. The handle rotates the drive gear shaft. The vibration damper is disposed between the drive gear shaft and the handle, and dampens the transmission of the vibration of the drive gear.

Abstract: A fishing reel includes a reel body and a sensor unit. The reel body has a handle configured to be rotated about a handle axis. The sensor unit is attached to the reel body. The sensor unit includes a unit body disposed coaxially with the handle axis, a behavior sensor disposed within the unit body and configured to detect behavior when the reel body is used, and a communicator disposed within the unit body and configured to transmit behavior data to the outside based on the behavior detected by the behavior sensor.

Abstract: A rotor of a spinning reel for fishing has a cylindrical portion, a first rotor arm, a first bail support, a first coupling member, and a first cover. The cylindrical portion is mounted rotatably on a reel body. The first rotor arm extends forward radially outside the cylindrical portion. The first bail support is pivotably rotatable coupled to a tip of the first rotor arm. The first coupling member couples the first bail support to the first rotor arm and has an engaged portion. The first cover covers at least partially the first rotor arm and the first bail support and has an engaging portion that comes into engagement with the engaged portion of the first coupling member.

Abstract: A rotation transmission mechanism of a spinning reel for fishing transmits a rotation of a handle to a driven gear of a reciprocating mechanism. The rotation transmission mechanism includes an intermediate gear, a shaft member, and a biasing member. The intermediate gear rotates in response to rotation of the handle, meshes with the driven gear, and transmits the rotation of the handle to the driven gear. The shaft member rotatably supports the intermediate gear. The biasing member biases the intermediate gear in an axial direction of the shaft member.

Abstract: A line clip includes a mounting member that is mountable to a spool of the spinning reel and a clip body that is able to clip a fishing line. The clip body has a main body, a first projection, a second projection, and a groove. The main body extends from the mounting member. The first projection projects from the main body. The second projection projects from the main body between the mounting member and the first projection. The groove is formed in a concave shape in the main body between the first projection and the second projection.

Abstract: A spinning reel for casting a fishing line forward includes a reel main body and a lid. The reel main body has an accommodating portion including an accommodating space, an opening located in a side of the accommodating portion, and a cylindrical portion disposed in front of the accommodating portion. The lid has a lid main body for sealing the opening, and a projection projecting forward from the lid main body. The projection overlaps with the cylindrical portion in a side view.

Abstract: A fishing reel capable of casting a fishing line in a forward direction includes a reel body, a rotor, a one-way clutch and a case member. The rotor is rotatable relative to the reel body about an axis of rotation and has an internal space. The one-way clutch is configured to transmit power in only one direction. The case member is disposed in the internal space of the rotor and houses the one-way clutch, and has a flange portion projecting in a radially outward direction and a fixing portion disposed behind the flange portion in a position overlapping a part of the flange portion, as viewed from an axial direction, and being fixed to the reel body.

Abstract: A casting evaluation device includes a frequency derivator and a casting evaluator. Thee frequency derivator derives a frequency of sound or vibration based on an output of a sensor that detects the vibration or the sound that accompanies the release of a fishing line from a spool of a fishing reel. The casting evaluator evaluates prescribed evaluation items related to casting based on the frequency derived by the frequency derivator.

Abstract: A rotor braking device includes a moving member, a brake, and a protrusion. The moving member is disposed on the rotor so as to be capable of assuming a first position corresponding to a line-winding position and a second position corresponding to a line-releasing position in cooperation with a bail arm. The brake includes a friction portion rotatable relative to the reel body and frictionally engages the reel body, and a plurality of engagement portions that engage the moving member when the moving member moves to the second position, and brakes the rotation of the rotor when the moving member engages the engagement portions. The protrusion is on either the reel body or the friction portion, and in contact with the other of the friction portion or the reel body, and causes the friction portion to partially frictionally engage the reel body.

Abstract: A fishing reel includes a drive shaft connected to a handle and supported by the reel body so as to be rotatable about a first axis, a drive gear on the drive shaft, a pinion gear rotating about a second axis with the rotation of the drive shaft and meshing with the drive gear, and a shaft bearing supporting the drive shaft so as to be rotatable about the first axis. The shaft bearing includes an inner race with an inner bearing surface contacting the drive shaft and an outer race having an outer bearing surface contacting the reel body. The inner bearing surface or the outer bearing surface includes an adjustment portion that causes the drive shaft to move in the first axial direction relative to the reel body, when the shaft bearing is moved relative to the drive shaft and the reel body.