Patents by Inventor Takuji Takamatsu
Takuji Takamatsu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11761494Abstract: A drag washer for a fishing reel has a sliding surface slidable relative to a plate washer. The drag washer includes a felt material formed by entwining a first fiber and a second fiber. The first fiber extends in a first direction along a thickness of the drag washer. The second fiber extends in a second direction along the sliding surface.Type: GrantFiled: July 11, 2022Date of Patent: September 19, 2023Assignee: Shimano Inc.Inventors: Akira Niitsuma, Shu Kusuda, Atsushi Yagara, Takuji Takamatsu
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Publication number: 20230071854Abstract: A drag washer for a fishing reel has a sliding surface slidable relative to a plate washer. The drag washer includes a felt material formed by entwining a first fiber and a second fiber. The first fiber extends in a first direction along a thickness of the drag washer. The second fiber extends in a second direction along the sliding surface.Type: ApplicationFiled: July 11, 2022Publication date: March 9, 2023Applicant: Shimano Inc.Inventors: Akira NIITSUMA, Shu KUSUDA, Atsushi YAGARA, Takuji TAKAMATSU
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Patent number: 10806133Abstract: 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.Type: GrantFiled: August 8, 2018Date of Patent: October 20, 2020Assignee: SHIMANO INC.Inventors: Kei Saito, Takuji Takamatsu, Satoshi Ikebukuro, Tomoya Deguchi
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Patent number: 10779522Abstract: 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.Type: GrantFiled: August 28, 2018Date of Patent: September 22, 2020Assignee: SHIMANO INC.Inventors: Kei Saito, Takuji Takamatsu, Satoshi Ikebukuro
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Patent number: 10765095Abstract: 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.Type: GrantFiled: December 10, 2018Date of Patent: September 8, 2020Assignee: SHIMANO INC.Inventors: Kei Saito, Takuji Takamatsu, Satoshi Ikebukuro
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Patent number: 10721921Abstract: 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.Type: GrantFiled: October 3, 2018Date of Patent: July 28, 2020Assignee: SHIMANO INC.Inventors: Takuji Takamatsu, Kei Saito, Satoshi Ikebukuro, Tomoya Deguchi
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Patent number: 10667503Abstract: 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.Type: GrantFiled: January 29, 2019Date of Patent: June 2, 2020Assignee: Shimano Inc.Inventors: Kei Saito, Satoshi Ikebukuro, Takuji Takamatsu
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Patent number: 10617103Abstract: 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.Type: GrantFiled: August 20, 2018Date of Patent: April 14, 2020Assignee: Shimano Inc.Inventors: Satoshi Ikebukuro, Kei Saito, Takuji Takamatsu
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Patent number: 10617101Abstract: 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.Type: GrantFiled: August 27, 2018Date of Patent: April 14, 2020Assignee: Shimano Inc.Inventors: Kei Saito, Takuji Takamatsu, Satoshi Ikebukuro
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Patent number: 10609914Abstract: A gear mechanism for a fishing reel includes first and second gears. The first gear has first gear teeth including a first driving side face, and a first reverse side face opposite the first driving side face. The second gear has second gear teeth including a second driven side face that meshes with a respective first driving side faces, and a second reverse side face that faces a respective first reverse side face, and opposite the second driven side faces. At least one of each of the first reverse side faces and each of the second reverse side faces includes an interference prevention portion to prevent interference with the other of the opposing first reverse side faces and second reverse side faces.Type: GrantFiled: January 22, 2018Date of Patent: April 7, 2020Assignee: Shimano Inc.Inventors: Takuji Takamatsu, Tetsuo Inoue, Kei Saito, Satoshi Ikebukuro
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Patent number: 10575507Abstract: A spinning reel includes a handle, a housing, a rotor, a bail arm, a moving member and an abutting member. The bail arm is attached to the rotor and is pivotable between a first posture and a second posture. The moving member is positioned in a first position when the bail arm is in the first posture, moving member positioned in a second position behind the first position when the bail arm is in the second posture, and is rotatable together with the rotor. The abutting member is attached to the housing and abuts the moving member in the second position to move the moving member toward the first position. The returning device returns the bail arm to the first posture from the second posture when the moving member moves toward the first position from the second position.Type: GrantFiled: September 12, 2018Date of Patent: March 3, 2020Assignee: Shimano Inc.Inventors: Takuji Takamatsu, Kei Saito, Satoshi Ikebukuro
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Patent number: 10575509Abstract: A drag knob for adjusting a drag force of a spinning reel includes a knob body, a screwable member and a rotation prevention member. The knob body includes a knob portion rotatable in a circumferential direction of the spool shaft, and an accommodating recess. The knob body protrudes forward in an axial direction and extends in a radial direction. The accommodating recess has a rearward opening in the axial direction of the spool shaft. The screwable member is disposed in the accommodating recess of the knob body and is screwed onto a front end of the spool shaft. The rotation prevention member is configured to prevent the screwable member from rotating relative to the knob body, has a width narrower than a width of the knob portion and protrudes from the screwable member in a same direction as an extending direction of the knob portion of the knob body.Type: GrantFiled: December 12, 2018Date of Patent: March 3, 2020Assignee: Shimano Inc.Inventors: Kei Saito, Takuji Takamatsu, Takanori Maruoka
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Patent number: 10477847Abstract: A roller clutch includes an outer ring, an inner ring, a rollers, a torsion spring, and a housing member. The roller is disposed between the inner ring and the outer ring. The roller i configured to move between a transmitting position and a non-transmitting position. The spring biases the roller to the transmitting position. The housing member has a housing hole and an inner wall surface. The housing hole houses the torsion spring. The inner wall surface defines the housing hole and is configured to support the torsion spring.Type: GrantFiled: April 17, 2018Date of Patent: November 19, 2019Assignee: Shimano Inc.Inventors: Satoshi Ikebukuro, Kei Saito, Takuji Takamatsu
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Patent number: 10455821Abstract: A rotor brake mechanism includes a braking member, a moving member, an elastic member, and an adjustment member. The braking member is disposed in a reel body. The moving member is disposed in a rotor to move to a first position corresponding to a line-winding posture and a second position corresponding to a line-releasing posture, in conjunction with a bail arm, and includes an extended portion that extends toward the braking member when the moving member moves to the second position. The elastic member is disposed on the extended portion of the moving member, and comes into contact with an outer peripheral surface of the braking member when the moving member moves to the second position. The adjustment member is disposed between the extended portion of the moving member and the elastic member, and adjusts a position of the elastic member.Type: GrantFiled: January 25, 2018Date of Patent: October 29, 2019Assignee: SHIMANO INC.Inventors: Takuji Takamatsu, Kei Saito, Satoshi Ikebukuro
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Publication number: 20190269115Abstract: 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.Type: ApplicationFiled: January 29, 2019Publication date: September 5, 2019Inventors: Kei SAITO, Satoshi IKEBUKURO, Takuji TAKAMATSU
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Publication number: 20190230908Abstract: A drag knob for adjusting a drag force of a spinning reel includes a knob body, a screwable member and a rotation prevention member. The knob body includes a knob portion rotatable in a circumferential direction of the spool shaft, and an accommodating recess. The knob body protrudes forward in an axial direction and extends in a radial direction. The accommodating recess has a rearward opening in the axial direction of the spool shaft. The screwable member is disposed in the accommodating recess of the knob body and is screwed onto a front end of the spool shaft. The rotation prevention member is configured to prevent the screwable member from rotating relative to the knob body, has a width narrower than a width of the knob portion and protrudes from the screwable member in a same direction as an extending direction of the knob portion of the knob body.Type: ApplicationFiled: December 12, 2018Publication date: August 1, 2019Inventors: Kei SAITO, Takuji TAKAMATSU, Takanori MARUOKA
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Publication number: 20190200591Abstract: 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.Type: ApplicationFiled: December 10, 2018Publication date: July 4, 2019Applicant: Shimano Inc.Inventors: Kei SAITO, Takuji TAKAMATSU, Satoshi IKEBUKURO
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Publication number: 20190124903Abstract: 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.Type: ApplicationFiled: October 3, 2018Publication date: May 2, 2019Applicant: Shimano Inc.Inventors: Takuji TAKAMATSU, Kei SAITO, Satoshi IKEBUKURO, Tomoya DEGUCHI
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Publication number: 20190124901Abstract: A spinning reel includes a handle, a housing, a rotor, a bail arm, a moving member and an abutting member. The bail arm is attached to the rotor and is pivotable between a first posture and a second posture. The moving member is positioned in a first position when the bail arm is in the first posture, moving member positioned in a second position behind the first position when the bail arm is in the second posture, and is rotatable together with the rotor. The abutting member is attached to the housing and abuts the moving member in the second position to move the moving member toward the first position. The returning device returns the bail arm to the first posture from the second posture when the moving member moves toward the first position from the second position.Type: ApplicationFiled: September 12, 2018Publication date: May 2, 2019Inventors: Takuji TAKAMATSU, Kei SAITO, Satoshi IKEBUKURO
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Publication number: 20190104713Abstract: 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.Type: ApplicationFiled: August 28, 2018Publication date: April 11, 2019Applicant: Shimano Inc.Inventors: Kei SAITO, Takuji TAKAMATSU, Satoshi IKEBUKURO