Patents by Inventor Kota Tokubi
Kota Tokubi 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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Publication number: 20240066756Abstract: The present invention provides a cutting machine that cuts a structure by pressing a disk-shaped blade against the structure while rotating the blade, comprising: a machine body having wheels and rotatably supporting the blades; a tank that stores water to be supplied to the blade for cooling the blade; and a motor for rotationally driving the blade, wherein the tank and the motor are arranged such that the tank and the motor at least partially overlap each other in a top view of the cutting machine.Type: ApplicationFiled: August 23, 2022Publication date: February 29, 2024Inventor: Kota TOKUBI
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Publication number: 20240068177Abstract: A work machine that compacts a road surface by rotation of a roller, the work machine comprises: a motor that outputs a driving force for rotating the roller; a first battery and a second battery that supply electric power to the motor; and a housing that holds the motor, the first battery, and the second battery. An upper surface of the housing has: a first opening into which the first battery is insertable, and a second opening into which the second battery is insertable, and in a front view of the work machine. The first battery inserted from the first opening and the second battery inserted from the second opening are inclined in different directions with respect to a normal line of the road surface and held by the housing.Type: ApplicationFiled: August 24, 2022Publication date: February 29, 2024Inventor: Kota TOKUBI
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Publication number: 20240068178Abstract: A work machine that smooths a road surface by rotating a blade contacting the road surface, the work machine comprises: a motor that rotates the blade; and a power supply device that includes a battery pack that supplies electric power to the motor, wherein the power supply device is disposed above the motor.Type: ApplicationFiled: August 23, 2022Publication date: February 29, 2024Inventor: Kota TOKUBI
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Publication number: 20230415205Abstract: A washing device includes a motor having a shaft, a battery electrically connected to the motor, and a pump driven by the motor. The pump is adapted to pressurize a liquid. The pump is disposed on the motor so that the motor is disposed between the pump and a ground.Type: ApplicationFiled: June 24, 2022Publication date: December 28, 2023Applicant: Honda Motor Co., Ltd.Inventor: Kota TOKUBI
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Publication number: 20230415243Abstract: A drilling device, including a motor, a battery, and a frame. The battery is electrically connected to the motor. The frame includes a base, a column supported by the base, and a drill support part configured to be movable relative to the base. The battery is disposed on the base such that the drill support part is configured to be movable relative to the battery.Type: ApplicationFiled: June 24, 2022Publication date: December 28, 2023Applicant: Honda Motor Co., Ltd.Inventor: Kota TOKUBI
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Patent number: 11384725Abstract: A decompression shaft (56) of a decompression device (50) includes an engagement pin (53) that is guided by a guide groove (51a) formed in a decompression weight (51), a decompression cam (54) that is provided on one cam surface of an intake valve cam (25c) and an exhaust valve cam (25b) so as to advance and retreat, and a connection portion (55) that connects the engagement pin (53) and the decompression cam (54). The decompression weight (51) is formed with a rotation restricting groove (51e) that restricts rotation of the decompression shaft (56) when a force acts in a direction in which the decompression cam (54) moves on the decompression shaft (56) from an advanced position to a retracted position when an engine (E) is stopped and that is continuous with the guide groove (51a).Type: GrantFiled: July 5, 2018Date of Patent: July 12, 2022Assignee: HONDA MOTOR CO., LTD.Inventors: Naotoshi Nio, Kota Tokubi, Kentaro Sugimura
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Patent number: 11384711Abstract: An engine (E) includes a crankcase body (19), a crankcase cover (20) covering a case opening portion (19b) of the crankcase body (19), a crankshaft (2), a cylinder base portion 21a located inside the crankcase body (19), a cylinder block (21b) located outside the crankcase body (19). The crankcase cover (20) is detachably attached to an upper portion of the crankcase body (19).Type: GrantFiled: March 30, 2018Date of Patent: July 12, 2022Assignee: HONDA MOTOR CO., LTD.Inventors: Soji Kashima, Toshiro Kiura, Kota Tokubi
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Patent number: 11313319Abstract: An engine (E) includes a crankcase body (19) including a bottom plate (19a) and a tubular portion (19c), a crankcase cover (20) covering a case opening portion (19b) of the crankcase body (19), a crankshaft (2), a cylinder base portion (21a) located inside the crankcase body (19), a cylinder block (21b) located outside the crankcase body (19), and a camshaft (25) located inside the crankcase body (19) and between the bottom plate (19a) and cylinder base portion (21a). The crankcase body (19) has the bottom plate (19a) detachably attached to the tubular portion (19c).Type: GrantFiled: March 30, 2018Date of Patent: April 26, 2022Assignee: HONDA MOTOR CO., LTD.Inventors: Soji Kashima, Toshiro Kiura, Kota Tokubi
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Publication number: 20210262370Abstract: A decompression shaft (56) of a decompression device (50) includes an engagement pin (53) that is guided by a guide groove (51a) formed in a decompression weight (51), a decompression cam (54) that is provided on one cam surface of an intake valve cam (25c) and an exhaust valve cam (25b) so as to advance and retreat, and a connection portion (55) that connects the engagement pin (53) and the decompression cam (54). The decompression weight (51) is formed with a rotation restricting groove (51e) that restricts rotation of the decompression shaft (56) when a force acts in a direction in which the decompression cam (54) moves on the decompression shaft (56) from an advanced position to a retracted position when an engine (E) is stopped and that is continuous with the guide groove (51a).Type: ApplicationFiled: July 5, 2018Publication date: August 26, 2021Applicant: HONDA MOTOR CO., LTD.Inventors: Naotoshi NIO, Kota TOKUBI, Kentaro SUGIMURA
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Publication number: 20210054805Abstract: An engine (E) includes a crankcase body (19) including a bottom plate (19a) and a tubular portion (19c), a crankcase cover (20) covering a case opening portion (19b) of the crankcase body (19), a crankshaft (2), a cylinder base portion (21a) located inside the crankcase body (19), a cylinder block (21b) located outside the crankcase body (19), and a camshaft (25) located inside the crankcase body (19) and between the bottom plate (19a) and cylinder base portion (21a). The crankcase body (19) has the bottom plate (19a) detachably attached to the tubular portion (19c).Type: ApplicationFiled: March 30, 2018Publication date: February 25, 2021Applicant: HONDA MOTOR CO., LTD.Inventors: Soji KASHIMA, Toshiro KIURA, Kota TOKUBI
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Publication number: 20210010444Abstract: An engine is provided with: a crank case that has a first crank shaft insertion hole and a second crank shaft insertion hole along the vertical direction; a crank shaft that is inserted into the first and second shaft insertion holes; and a cylinder unit that extends in the front-rear direction from the crank case. The cylinder unit is provided with a cylinder base that is positioned inside the crank case, and a cylinder block that is positioned outside the crank case. The cylinder unit is detachably attached to the crank case.Type: ApplicationFiled: September 30, 2020Publication date: January 14, 2021Applicant: HONDA MOTOR CO., LTD.Inventors: Soji KASHIMA, Toshiro KIURA, Kota TOKUBI
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Publication number: 20210003093Abstract: An engine (E) includes a crankcase body (19), a crankcase cover (20) covering a case opening portion (19b) of the crankcase body (19), a crankshaft (2), a cylinder base portion 21a located inside the crankcase body (19), a cylinder block (21b) located outside the crankcase body (19). The crankcase cover (20) is detachably attached to an upper portion of the crankcase body (19).Type: ApplicationFiled: March 30, 2018Publication date: January 7, 2021Applicant: HONDA MOTOR CO., LTD.Inventors: Soji KASHIMA, Toshiro KIURA, Kota TOKUBI
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Patent number: 8960072Abstract: A multilayer lubrication coating film is formed on the outer surface of an object to be coated. The multilayer lubrication coating film comprises a lower-layer coating film formed on an outer surface of the object to be coated, and an upper-layer coating film formed on a surface of the lower-layer coating film. The lower-layer coating film has a higher Vickers hardness than the Vickers hardness of the object to be coated.Type: GrantFiled: January 31, 2011Date of Patent: February 24, 2015Assignee: Honda Motor Co., LtdInventors: Kenji Suto, Kota Tokubi, Tomonori Saito, Yoshimi Kuroda
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Patent number: 8763569Abstract: A vertical, multi-link, adjustable-stroke type engine includes a lubricating oil passage provided in a cylinder barrel for supplying lubricating oil to a lower shaft end portion of a crankshaft and at least a lower shaft end portion of an eccentric shaft, which changes an intake stroke and compression stroke of a piston, so as to pre-press the crankshaft and the eccentric shaft in a predetermined direction, or for supplying lubricating oil to the lower shaft end portion of the eccentric shaft so as to pre-press the eccentric shaft in a predetermined direction.Type: GrantFiled: February 22, 2012Date of Patent: July 1, 2014Assignee: Honda Motor Co., Ltd.Inventors: Gaku Naoe, Kota Tokubi, Kotaro Sugi
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Publication number: 20120210983Abstract: A vertical, multi-link, adjustable-stroke type engine includes a lubricating oil passage provided in a cylinder barrel for supplying lubricating oil to a lower shaft end portion of a crankshaft and at least a lower shaft end portion of an eccentric shaft, which changes an intake stroke and compression stroke of a piston, so as to pre-press the crankshaft and the eccentric shaft in a predetermined direction, or for supplying lubricating oil to the lower shaft end portion of the eccentric shaft so as to pre-press the eccentric shaft in a predetermined direction.Type: ApplicationFiled: February 22, 2012Publication date: August 23, 2012Applicant: HONDA MOTOR CO., LTD.Inventors: Gaku Naoe, Kota Tokubi, Kotaro Sugi
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Publication number: 20110192279Abstract: A multilayer lubrication coating film is formed on the outer surface of an object to be coated. The multilayer lubrication coating film comprises a lower-layer coating film formed on an outer surface of the object to be coated, and an upper-layer coating film formed on a surface of the lower-layer coating film. The lower-layer coating film has a higher Vickers hardness than the Vickers hardness of the object to be coated.Type: ApplicationFiled: January 31, 2011Publication date: August 11, 2011Applicant: HONDA MOTOR CO., LTD.Inventors: Kenji Suto, Kota Tokubi, Tomonori Saito, Yoshimi Kuroda