Patents by Inventor Yukimasa MATSUMURA
Yukimasa MATSUMURA 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: 12057756Abstract: A rotating device according to an embodiment includes a motor, an output gear to transmit the rotation of the motor to the external device, and a housing accommodating the motor and the output gear. The motor is held by holding parts formed at the housing via an adhesive having elasticity. The adhesive having elasticity is disposed between surfaces perpendicular to an axial direction in the holding parts of the housing, and a first end part and a second end part-of a frame.Type: GrantFiled: December 2, 2019Date of Patent: August 6, 2024Assignee: MINEBEA MITSUMI Inc.Inventors: Koichiro Hirabayashi, Yukimasa Matsumura, Seiya Fujimoto
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Publication number: 20240079925Abstract: A rotating device includes a housing, a motor, and one or more gears. The housing includes a first housing and a second housing engaging with the first housing. The motor and the one or more gears are accommodated in the housing. The first housing and the second housing oppose one another in a first direction. A side wall part of the second housing is provided with a first hook, and a side wall part of the first housing is provided with a first protruding part. The first protruding part engages with the first hook. A surface of the first hook engaging with the first protruding part and a surface of the first protruding part engaging with the first hook are in contact with one another in the first direction. The surface of one of the first hook and the first protruding part is inclined with respect to the surface of the other of the first hook and the first protruding part, and the surface of the first protruding part faces the side wall part of the first housing.Type: ApplicationFiled: April 26, 2023Publication date: March 7, 2024Inventors: Yukimasa MATSUMURA, Koichiro HIRABAYASHI
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Patent number: 11820204Abstract: A rotary apparatus includes a motor, a plurality of gears including an output gear, and a housing accommodating the plurality of gears and the motor. The housing includes a first surface portion, a second surface portion facing the first surface portion and spaced apart from the first surface portion, and a sidewall portion provided at an outer peripheral portion of the first surface portion and the second surface portion and supporting the first surface portion and the second surface portion. One of the first surface portion and the second surface portion includes a vibration damping part opposing the output gear.Type: GrantFiled: September 9, 2022Date of Patent: November 21, 2023Assignee: MINEBEA MITSUMI INC.Inventor: Yukimasa Matsumura
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Patent number: 11808341Abstract: A rotating device includes a motor, a gear, and a housing configured to accommodate the motor and the gear. The housing includes a first housing, a second housing, and a joining element for joining the first housing and the second housing. The first housing includes a first attaching part attached to an external device. The second housing includes a second attaching part attached to the external device. The first attaching part and the second attaching part include surfaces opposing each other after the housing is assembled. The first attaching part and the second attaching part include the joining element.Type: GrantFiled: February 8, 2022Date of Patent: November 7, 2023Assignee: MINEBEA MITSUMI Inc.Inventors: Koichiro Hirabayashi, Yukimasa Matsumura, Jun Ohmura, Kodai Kameoka
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Publication number: 20230327513Abstract: A motor includes: a lid including an opening; a bracket including a projecting part; and a terminal extending from the projecting part. A part of the bracket is covered by the lid. The projecting part projects from the opening of the lid.Type: ApplicationFiled: March 20, 2023Publication date: October 12, 2023Inventors: Jun OHMURA, Koichiro HIRABAYASHI, Yukimasa MATSUMURA
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Publication number: 20230279940Abstract: A gear box includes a motor, a worm pivotally supported by a shaft of the motor, a gear being formed at the worm, and a helical gear configured to mesh with the gear of the worm. A transfer coefficient of the helical gear with respect to a standard gear is x, an addendum coefficient of the helical gear is k, x satisfies ?0.4<x<?0.1, and k satisfies 0.1<k<0.4.Type: ApplicationFiled: March 1, 2023Publication date: September 7, 2023Inventors: Koichiro HIRABAYASHI, Yukimasa MATSUMURA, Seiji MITAMURA
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Patent number: 11742730Abstract: A motor includes a commutator, a bracket including a conductive brush, first and second wall parts, and first and second deformable parts. The conductive brush is in contact with the commutator. The first wall part includes a first surface extending along a first surface of the conductive brush. The second wall part includes a second surface extending along a second surface of the conductive brush located on a side opposite the first surface of the conductive brush. The first deformable part is in contact with both the first surface of the conductive brush and the first surface of the first wall part, and is deformable in response to movement of the conductive brush. The second deformable part is in contact with both the second surface of the conductive brush and the second surface of the second wall part, and is deformable in response to movement of the conductive brush.Type: GrantFiled: July 18, 2022Date of Patent: August 29, 2023Assignee: MINEBEA MITSUMI Inc.Inventors: Koichiro Hirabayashi, Akiko Ikuta, Yukimasa Matsumura, Kazuaki Sato, Minoru Kuroda, Bora In
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Publication number: 20230001768Abstract: A rotary apparatus includes a motor, a plurality of gears including an output gear, and a housing accommodating the plurality of gears and the motor. The housing includes a first surface portion, a second surface portion facing the first surface portion and spaced apart from the first surface portion, and a sidewall portion provided at an outer peripheral portion of the first surface portion and the second surface portion and supporting the first surface portion and the second surface portion. One of the first surface portion and the second surface portion includes a vibration damping part opposing the output gear.Type: ApplicationFiled: September 9, 2022Publication date: January 5, 2023Applicant: MINEBEA MITSUMI INC.Inventor: Yukimasa MATSUMURA
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Publication number: 20220360149Abstract: A motor includes a commutator, a bracket including a conductive brush, first and second wall parts, and first and second deformable parts. The conductive brush is in contact with the commutator. The first wall part includes a first surface extending along a first surface of the conductive brush. The second wall part includes a second surface extending along a second surface of the conductive brush located on a side opposite the first surface of the conductive brush. The first deformable part is in contact with both the first surface of the conductive brush and the first surface of the first wall part, and is deformable in response to movement of the conductive brush. The second deformable part is in contact with both the second surface of the conductive brush and the second surface of the second wall part, and is deformable in response to movement of the conductive brush.Type: ApplicationFiled: July 18, 2022Publication date: November 10, 2022Inventors: Koichiro HIRABAYASHI, Akiko IKUTA, Yukimasa MATSUMURA, Kazuaki SATO, Minoru KURODA, Bora IN
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Patent number: 11472267Abstract: A rotary apparatus includes a motor, a plurality of gears including an output gear, and a housing accommodating the plurality of gears and the motor. The housing includes a first surface portion, a second surface portion facing the first surface portion and spaced apart from the first surface portion, and a sidewall portion provided at an outer peripheral portion of the first surface portion and the second surface portion and supporting the first surface portion and the second surface portion. One of the first surface portion and the second surface portion includes a vibration damping part opposing the output gear.Type: GrantFiled: October 1, 2020Date of Patent: October 18, 2022Assignee: MINEBEA MITSUMI INC.Inventor: Yukimasa Matsumura
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Publication number: 20220329131Abstract: A rotating device 1 according to the present application includes a motor 3, a gear 5 that transmits rotation of the motor 3 to an external device, and a sensor 7. The sensor 7 includes a sensor part 70 and a housing 72 that accommodates the sensor part 70. The sensor part 70 is capable of detecting a rotational speed or a rotational angle of the gear 5. The gear 5 includes a recess 50 in a rotational axis direction of the gear 5. The recess 50 accommodates a part of the housing 72.Type: ApplicationFiled: June 29, 2022Publication date: October 13, 2022Inventors: Koichiro HIRABAYASHI, Yukimasa MATSUMURA
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Patent number: 11462969Abstract: A rotary apparatus includes a motor including a rotary shaft, a plurality of gears including an output gear, and a housing accommodating the motor and the plurality of gears. The housing is separable into a first housing and a second housing. The motor includes a first end portion and a second end portion located on an opposite side of the first end portion. The rotary shaft is derived from the first end portion. The second housing includes a first regulating portion regulating a position of a part of the motor on the first end portion. The first housing includes a projecting portion projecting toward the second housing side. The projecting portion urges the second end portion of the motor toward the first regulating portion side directly or via another member.Type: GrantFiled: June 12, 2020Date of Patent: October 4, 2022Assignee: MINEBEA MITSUMI INC.Inventors: Koichiro Hirabayashi, Yukimasa Matsumura, Akiko Ikuta
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Publication number: 20220268350Abstract: A rotating device includes a motor, a gear, and a housing configured to accommodate the motor and the gear. The housing includes a first housing, a second housing, and a joining element for joining the first housing and the second housing. The first housing includes a first attaching part attached to an external device. The second housing includes a second attaching part attached to the external device. The first attaching part and the second attaching part include surfaces opposing each other after the housing is assembled. The first attaching part and the second attaching part include the joining element.Type: ApplicationFiled: February 8, 2022Publication date: August 25, 2022Inventors: Koichiro HIRABAYASHI, Yukimasa MATSUMURA, Jun OHMURA, Kodai KAMEOKA
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Patent number: 11424663Abstract: A motor includes a commutator, a bracket including a conductive brush, first and second wall parts, and first and second deformable parts. The conductive brush is in contact with the commutator. The first wall part includes a first surface extending along a first surface of the conductive brush. The second wall part includes a second surface extending along a second surface of the conductive brush located on a side opposite the first surface of the conductive brush. The first deformable part is in contact with both the first surface of the conductive brush and the first surface of the first wall part, and is deformable in response to movement of the conductive brush. The second deformable part is in contact with both the second surface of the conductive brush and the second surface of the second wall part, and is deformable in response to movement of the conductive brush.Type: GrantFiled: September 1, 2017Date of Patent: August 23, 2022Assignee: MINEBEA MITSUMI INC.Inventors: Koichiro Hirabayashi, Akiko Ikuta, Yukimasa Matsumura, Kazuaki Sato, Minoru Kuroda, Bora In
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Patent number: 11411456Abstract: A motor includes an armature including a commutator, a bracket including a conductive brush and a first wall part, and a first deformable part. The conductive brush is in contact with the commutator. The first wall part includes a first surface extending along a first surface of the conductive brush. The first deformable part is in contact with both the first surface of the conductive brush and the first surface of the first wall part. The first deformable part is deformable in response to movement of the conductive brush.Type: GrantFiled: September 1, 2017Date of Patent: August 9, 2022Assignee: MINEBEA MITSUMI INC.Inventors: Koichiro Hirabayashi, Yukimasa Matsumura, Akiko Ikuta, Minoru Kuroda, Bora In, Kazuaki Sato
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Patent number: 11411466Abstract: A rotating device 1 according to the present application includes a motor 3, a gear 5 that transmits rotation of the motor 3 to an external device, and a sensor 7. The sensor 7 includes a sensor part 70 and a housing 72 that accommodates the sensor part 70. The sensor part 70 is capable of detecting a rotational speed or a rotational angle of the gear 5. The gear 5 includes a recess 50 in a rotational axis direction of the gear 5. The recess 50 accommodates a part of the housing 72.Type: GrantFiled: August 28, 2018Date of Patent: August 9, 2022Assignee: MINEBEA MITSUMI INC.Inventors: Koichiro Hirabayashi, Yukimasa Matsumura
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Publication number: 20220103043Abstract: A rotating device according to an embodiment includes a motor, an output gear to transmit the rotation of the motor to the external device, and a housing accommodating the motor and the output gear. The motor is held by holding parts formed at the housing via an adhesive having elasticity. The adhesive having elasticity is disposed between surfaces perpendicular to an axial direction in the holding parts of the housing, and a first end part and a second end part-of a frame.Type: ApplicationFiled: December 2, 2019Publication date: March 31, 2022Inventors: Koichiro HIRABAYASHI, Yukimasa MATSUMURA, Seiya FUJIMOTO
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Patent number: 11239730Abstract: A rotating device according to the present invention includes a motor including an outer shell, a rotating shaft protruding from the outer shell, a first inner bearing supporting the rotating shaft, and a second inner bearing supporting the rotating shaft, a plurality of gears configured to transmit rotation of the motor to an external device, and a casing. A first outer bearing and a second outer bearing are arranged at the casing, and the first outer bearing and the second outer bearing rotatably support portions of the rotating shaft protruding from end surfaces at both sides of the outer shell in a longitudinal direction of the rotating shaft.Type: GrantFiled: August 23, 2018Date of Patent: February 1, 2022Assignee: MINEBEA MITSUMI INC.Inventors: Koichiro Hirabayashi, Yukimasa Matsumura
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Publication number: 20210203208Abstract: A rotating device according to the present invention includes a motor including an outer shell, a rotating shaft protruding from the outer shell, a first inner bearing supporting the rotating shaft, and a second inner bearing supporting the rotating shaft, a plurality of gears configured to transmit rotation of the motor to an external device, and a casing. A first outer bearing and a second outer bearing are arranged at the casing, and the first outer bearing and the second outer bearing rotatably support portions of the rotating shaft protruding from end surfaces at both sides of the outer shell in a longitudinal direction of the rotating shaft.Type: ApplicationFiled: August 23, 2018Publication date: July 1, 2021Inventors: Koichiro HIRABAYASHI, Yukimasa MATSUMURA
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Publication number: 20210016633Abstract: A rotary apparatus includes a motor, a plurality of gears including an output gear, and a housing accommodating the plurality of gears and the motor. The housing includes a first surface portion, a second surface portion facing the first surface portion and spaced apart from the first surface portion, and a sidewall portion provided at an outer peripheral portion of the first surface portion and the second surface portion and supporting the first surface portion and the second surface portion. One of the first surface portion and the second surface portion includes a vibration damping part opposing the output gear.Type: ApplicationFiled: October 1, 2020Publication date: January 21, 2021Applicant: MINEBEA MITSUMI INC.Inventor: Yukimasa MATSUMURA