Patents Assigned to Kokusai Keisokuki Kabushiki Kaisha
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Publication number: 20220074819Abstract: A tire testing device includes a vehicle, and a test unit provided in the vehicle and capable of supporting a test wheel on which a test tire is mounted in a state in which the test wheel is in contact with a road surface. The test unit includes a power unit configured to output power for rotationally driving the test wheel. The power unit includes a rotation output unit configured to output a rotational motion of a rotation speed corresponding to a traveling speed of the vehicle, and a torque applying unit configured to add torque to the rotational motion to output the torque, the rotation output unit includes a driven wheel configured to contact a road surface, a first axle coupled to the driven wheel, and a first transmission mechanism configured to couple the first axle to an input shall of the torque applying unit.Type: ApplicationFiled: November 16, 2021Publication date: March 10, 2022Applicant: KOKUSAI KEISOKUKI KABUSHIKI KAISHAInventors: Sigeru MATSUMOTO, Hiroshi MIYASHITA, Kazuhiro MURAUCHI, Shuichi TOKITA
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Publication number: 20220065754Abstract: A collision simulation test apparatus including a table to which a test piece is to be attached, the table being movable in a predetermined direction, a toothed belt for transmitting power to drive the table, a drive module capable of driving the toothed belt, and a control part capable of controlling the drive module. The control part is capable of controlling the drive module to generate an impact to be applied to the test piece, and the impact generated by the drive module is transmitted to the table by the toothed belt.Type: ApplicationFiled: November 10, 2021Publication date: March 3, 2022Applicant: KOKUSAI KEISOKUKI KABUSHIKI KAISHAInventors: Sigeru MATSUMOTO, Hiroshi MIYASHITA, Kazuhiro MURAUCHI, Kiyoaki HANEISHI
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Patent number: 11199475Abstract: A collision simulation test apparatus including a table to which a test piece is to be attached, the table being movable in a predetermined direction, a toothed belt for transmitting power to drive the table, a drive module capable of driving the toothed belt, and a control part capable of controlling the drive module. The control part is capable of controlling the drive module to generate an impact to be applied to the test piece, and the impact generated by the drive module is transmitted to the table by the toothed belt.Type: GrantFiled: August 26, 2019Date of Patent: December 14, 2021Assignee: KOKUSAI KEISOKUKI KABUSHIKI KAISHAInventors: Sigeru Matsumoto, Hiroshi Miyashita, Kazuhiro Murauchi, Kiyoaki Haneishi
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Publication number: 20210199539Abstract: A test device includes an input side drive part that drives a steering shaft of a steering device, a control part that controls the input side drive part, and a position detecting part that detects an angular position of the steering shaft. The control part restricts a maximum value of a torque of the steering shaft when the angular position reaches an end abutment position. The control part also controls driving of the steering shaft by a position control in which the angular position is used as a controlled variable and a torque control in which the torque is used as a controlled variable. The control part performs the position control when the angular position is outside a first angular range including the end-abutment position and switches the driving of the steering shaft from the position control to the torque control when the angular position reaches within the first angular range.Type: ApplicationFiled: March 12, 2021Publication date: July 1, 2021Applicant: KOKUSAI KEISOKUKI KABUSHIKI KAISHAInventors: Sigeru MATSUMOTO, Hiroshi MIYASHITA, Kazuyoshi TASHIRO, Kazuhiro MURAUCHI, Hiroyuki MIURA, Akihiro YONEKAWA, Kazuki SHINOHARA
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Publication number: 20210148784Abstract: An oscillating device including a vibrating table, an actuator configured to oscillate the vibrating table in a first direction, a coupling mechanism configured to couple the vibrating table with the actuator in such a manner that the vibrating table is movable relative to the actuator in a second direction orthogonal to the first direction, and a counter balancer attached to the vibrating table and configured to compensate an imbalance of an oscillated portion including at least the vibrating table, the imbalance being caused by attaching the coupling mechanism to the vibrating table.Type: ApplicationFiled: January 27, 2021Publication date: May 20, 2021Applicant: KOKUSAI KEISOKUKI KABUSHIKI KAISHAInventors: Sigeru MATSUMOTO, Hiroshi MIYASHITA, Kazuhiro MURAUCHI
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Patent number: 10942085Abstract: An oscillating device including a vibrating table, an actuator configured to oscillate the vibrating table in a first direction, a coupling mechanism configured to couple the vibrating table with the actuator in such a manner that the vibrating table is movable relative to the actuator in a second direction orthogonal to the first direction, and a counter balancer attached to the vibrating table and configured to compensate an imbalance of an oscillated portion including at least the vibrating table, the imbalance being caused by attaching the coupling mechanism to the vibrating table.Type: GrantFiled: July 13, 2018Date of Patent: March 9, 2021Assignee: KOKUSAI KEISOKUKI KABUSHIKI KAISHAInventors: Sigeru Matsumoto, Hiroshi Miyashita, Kazuhiro Murauchi
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Publication number: 20210025784Abstract: A tire testing device includes a carriage configured to rotatably hold a test wheel provided with a test tire and being capable of travelling on a base along a road surface in a state where the test wheel is made to contact the road surface, and a driving system configured to drive the test wheel and the carriage. The driving system includes a carriage driving part configured to drive the carriage with respect to the road surface in a predetermined speed, a test wheel driving part configured to drive the test wheel in a rotating speed corresponding to the predetermined speed, a driving part configured to generate power to be used to drive the carriage and the test wheel, and a power distributing part configured to distribute power generated by the driving part to the carriage driving part and the test wheel driving part.Type: ApplicationFiled: October 15, 2020Publication date: January 28, 2021Applicant: KOKUSAI KEISOKUKI KABUSHIKI KAISHAInventors: Sigeru MATSUMOTO, Hiroshi MIYASHITA, Kazuhiro MURAUCHI, Shuichi TOKITA
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Publication number: 20210018392Abstract: A dynamic balance testing device includes a vibrating unit configured to rotatably hold a predetermined rotating body being a specimen, a first spring configured to elastically support the vibrating unit and restrict displacement of the vibrating unit in a direction parallel to a rotation axis of the predetermined rotating body, and at least three second springs configured to elastically support the vibrating unit and restrict displacement of the vibrating unit in a predetermined direction orthogonal to the rotation axis. The at least three second springs are attached to the vibrating unit on a same predetermined plane, and the vibrating unit holds the predetermined rotating body such that a projection of a center of gravity of the predetermined rotating body onto the predetermined plane is substantially at the same position as a position where the first spring is attached to the vibrating unit.Type: ApplicationFiled: October 1, 2020Publication date: January 21, 2021Applicant: KOKUSAI KEISOKUKI KABUSHIKI KAISHAInventor: Satoshi ISHITOYA
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Patent number: 10837856Abstract: A dynamic balance testing device includes a vibrating unit configured to rotatably hold a predetermined rotating body being a specimen, a first spring configured to elastically support the vibrating unit and restrict displacement of the vibrating unit in a direction parallel to a rotation axis of the predetermined rotating body, and at least three second springs configured to elastically support the vibrating unit and restrict displacement of the vibrating unit in a predetermined direction orthogonal to the rotation axis. The at least three second springs are attached to the vibrating unit on a same predetermined plane, and the vibrating unit holds the predetermined rotating body such that a projection of a center of gravity of the predetermined rotating body onto the predetermined plane is substantially at the same position as a position where the first spring is attached to the vibrating unit.Type: GrantFiled: January 9, 2019Date of Patent: November 17, 2020Assignee: KOKUSAI KEISOKUKI KABUSHIKI KAISHAInventor: Satoshi Ishitoya
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Patent number: 10794788Abstract: A dynamic balance testing device includes a plurality of support rollers having respective rotation axes extending in a predetermined direction, the plurality of support rollers being configured to support a specimen in internal contact with an inner periphery of the specimen in such a manner that the specimen is rotatable about a central axis of the inner periphery, the plurality of support rollers including, a first support roller having a first rotation axis that is parallel to the central axis of the inner periphery of the specimen, and a second support roller having a second rotation axis that is parallel to the central axis of the inner periphery of the specimen and is positionally different from the first rotation axis of the first support roller.Type: GrantFiled: August 17, 2018Date of Patent: October 6, 2020Assignee: KOKUSAI KEISOKUKI KABUSHIKI KAISHAInventor: Satoshi Ishitoya
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Publication number: 20190383706Abstract: A collision simulation test apparatus including a table to which a test piece is to be attached, the table being movable in a predetermined direction, a toothed belt for transmitting power to drive the table, a drive module capable of driving the toothed belt, and a control part capable of controlling the drive module. The control part is capable of controlling the drive module to generate an impact to be applied to the test piece, and the impact generated by the drive module is transmitted to the table by the toothed belt.Type: ApplicationFiled: August 26, 2019Publication date: December 19, 2019Applicant: KOKUSAI KEISOKUKI KABUSHIKI KAISHAInventors: Sigeru Matsumoto, Hiroshi Miyashita, Kazuhiro Murauchi, Kiyoaki Haneishi
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Publication number: 20190341837Abstract: A linear actuator, comprising: a base; a fixed part support mechanism attached to the base; a fixed part elastically supported by the fixed part support mechanism; and a movable part driven to reciprocate in a predetermined drive direction with respect to the fixed part, wherein the fixed part support mechanism comprises: a movable block attached to the fixed part; a linear guide that couples the movable block with the base to be slidable in the predetermined drive direction; and an elastic member that is disposed between the base and the movable block and prevents transmission of a high frequency component of vibration in the predetermined drive direction.Type: ApplicationFiled: July 19, 2019Publication date: November 7, 2019Applicant: KOKUSAI KEISOKUKI KABUSHIKI KAISHAInventor: Sigeru MATSUMOTO
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Patent number: 10436670Abstract: An oscillating device comprising: a vibrating table; an X-axis oscillating unit configured to oscillate the vibrating table in an X-axis direction; a Y-axis oscillating unit configured to oscillate the vibrating table in a Y-axis direction; a Z-axis oscillating unit configured to oscillate the vibrating table in a Z-axis direction; a first linear guideway configured to couple the vibrating table and the Z-axis oscillating unit slidably in the X-axis direction; and a second linear guideway configured to couple the vibrating table and the Z-axis oscillating unit slidably in the Y-axis direction, wherein the first linear guideway comprises: a first rail extending in the X-axis direction; and a first carriage configured to engage with the first rail slidably in the X-axis direction, wherein the second linear guideway comprises: a second rail extending in the Y-axis direction; and a second carriage configured to engage with the second rail slidably in the Y-axis direction, wherein the first carriage is provided wiType: GrantFiled: March 14, 2019Date of Patent: October 8, 2019Assignee: KOKUSAI KEISOKUKI KABUSHIKI KAISHAInventors: Sigeru Matsumoto, Hiroshi Miyashita, Kazuhiro Murauchi, Minoru Endo
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Patent number: 10354048Abstract: A control device including a simulation unit to simulate behaviors of a virtual mechanical system, and a drive control unit to control driving of servomotors based on the simulation results, is provided. The virtual mechanical system includes a first drive module, a first main shaft module connected to the first drive module, and a plurality of power transmission subsystems, each of which is connected to the first main shaft module and is associated with one of the servomotors respectively. Each of the power transmission subsystems includes an output module. The servomotor associated with the power transmission subsystem is driven according to a simulated result of input into the output module.Type: GrantFiled: June 2, 2014Date of Patent: July 16, 2019Assignee: KOKUSAI KEISOKUKI KABUSHIKI KAISHAInventors: Sigeru Matsumoto, Hiroshi Miyashita, Kazuyoshi Tashiro, Kazuhiro Murauchi
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Publication number: 20190212225Abstract: An oscillating device comprising: a vibrating table; an X-axis oscillating unit configured to oscillate the vibrating table in an X-axis direction; a Y-axis oscillating unit configured to oscillate the vibrating table in a Y-axis direction; a Z-axis oscillating unit configured to oscillate the vibrating table in a Z-axis direction; a first linear guideway configured to couple the vibrating table and the Z-axis oscillating unit slidably in the X-axis direction; and a second linear guideway configured to couple the vibrating table and the Z-axis oscillating unit slidably in the Y-axis direction, wherein the first linear guideway comprises: a first rail extending in the X-axis direction; and a first carriage configured to engage with the first rail slidably in the X-axis direction, wherein the second linear guideway comprises: a second rail extending in the Y-axis direction; and a second carriage configured to engage with the second rail slidably in the Y-axis direction, wherein the first carriage is provided wiType: ApplicationFiled: March 14, 2019Publication date: July 11, 2019Applicant: KOKUSAI KEISOKUKI KABUSHIKI KAISHAInventors: Sigeru MATSUMOTO, Hiroshi MIYASHITA, Kazuhiro MURAUCHI, Minoru ENDO
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Patent number: D894766Type: GrantFiled: December 28, 2018Date of Patent: September 1, 2020Assignee: KOKUSAI KEISOKUKI KABUSHIKI KAISHAInventors: Sigeru Matsumoto, Hiroshi Miyashita, Kazuhiro Murauchi, Shuichi Tokita
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Patent number: D899282Type: GrantFiled: October 7, 2019Date of Patent: October 20, 2020Assignee: KOKUSAI KEISOKUKI KABUSHIKI KAISHAInventors: Sigeru Matsumoto, Hiroshi Miyashita, Kazuhiro Murauchi, Shuichi Tokita
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Patent number: D920818Type: GrantFiled: February 3, 2020Date of Patent: June 1, 2021Assignee: KOKUSAI KEISOKUKI KABUSHIKI KAISHAInventors: Sigeru Matsumoto, Hiroshi Miyashita, Kazuyoshi Tashiro, Kazuhiro Murauchi
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Patent number: D920819Type: GrantFiled: February 3, 2020Date of Patent: June 1, 2021Assignee: KOKUSAI KEISOKUKI KABUSHIKI KAISHAInventors: Sigeru Matsumoto, Hiroshi Miyashita, Kazuyoshi Tashiro, Kazuhiro Murauchi
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Patent number: D920820Type: GrantFiled: January 28, 2020Date of Patent: June 1, 2021Assignee: KOKUSAI KEISOKUKI KABUSHIKI KAISHAInventors: Sigeru Matsumoto, Hiroshi Miyashita, Kazuyoshi Tashiro, Kazuhiro Murauchi