Patents by Inventor Yutaka Inubushi
Yutaka Inubushi 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: 20230249545Abstract: A work vehicle is provided with a support member that supports an output shaft of a wheel differential mechanism between a differential case and a planetary reduction mechanism. The support member is configured to engage the output shaft relatively immovably in a direction along the axis of the output shaft.Type: ApplicationFiled: April 21, 2023Publication date: August 10, 2023Applicant: KUBOTA CORPORATIONInventors: Hidetoshi HANA, Tomoya UNO, Katsuhiko HONDA, Yusuke SHIMOGAMI, Yutaka INUBUSHI
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Patent number: 11679672Abstract: A work vehicle is provided with a support member that supports an output shaft of a wheel differential mechanism between a differential case and a planetary reduction mechanism. The support member is configured to engage the output shaft relatively immovably in a direction along the axis of the output shaft.Type: GrantFiled: October 5, 2020Date of Patent: June 20, 2023Assignee: KUBOTA CORPORATIONInventors: Hidetoshi Hana, Tomoya Uno, Katsuhiko Honda, Yusuke Shimogami, Yutaka Inubushi
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Publication number: 20210178895Abstract: A work vehicle is provided with a support member that supports an output shaft of a wheel differential mechanism between a differential case and a planetary reduction mechanism. The support member is configured to engage the output shaft relatively immovably in a direction along the axis of the output shaft.Type: ApplicationFiled: October 5, 2020Publication date: June 17, 2021Applicant: KUBOTA CORPORATIONInventors: Hidetoshi HANA, Tomoya UNO, Katsuhiko HONDA, Yusuke SHIMOGAMI, Yutaka INUBUSHI
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Patent number: 10625795Abstract: It is contemplated to arrange a plurality of operational levers without inviting complications of the arrangements or enlargement of the vehicle body, intensively for better operability between the driver's seat and one of the right and left rear fenders. In a riding work vehicle, a plurality of operational levers 25, 26 are disposed adjacent on the right and left sides between a driver's seat and one of right and left rear fenders 7. Of the plurality of operational levers 25, 26, an inner operational lever 25 disposed on the side of the driver's seat is displaceable in a front-rear direction of a vehicle body.Type: GrantFiled: June 6, 2016Date of Patent: April 21, 2020Assignee: Kubota CorporationInventors: Tomohiro Yoshida, Ayaka Nakabayashi, Daisuke Tomimatsu, Koji Masumoto, Koji Kajino, Isamu Morimoto, Kyosuke Tanaka, Yoshiaki Niimoto, Hiroo Fujimoto, Masatoshi Watanabe, Shinji Kato, Yutaka Inubushi, Tatsuyuki Kashimoto
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Publication number: 20180273119Abstract: It is contemplated to arrange a plurality of operational levers without inviting complications of the arrangements or enlargement of the vehicle body, intensively for better operability between the driver's seat and one of the right and left rear fenders. In a riding work vehicle, a plurality of operational levers 25, 26 are disposed adjacent on the right and left sides between a driver's seat and one of right and left rear fenders 7. Of the plurality of operational levers 25, 26, an inner operational lever 25 disposed on the side of the driver' seat is displaceable in a front-rear direction of a vehicle body.Type: ApplicationFiled: June 6, 2016Publication date: September 27, 2018Applicant: Kubota CorporationInventors: Tomohiro Yoshida, Ayaka Nakabayashi, Daisuke Tomimatsu, Koji Masumoto, Koji Kajino, Isamu Morimoto, Kyosuke Tanaka, Yoshiaki Niimoto, Hiroo Fujimoto, Masatoshi Watanabe, Shinji Kato, Yutaka Inubushi, Tatsuyuki Kashimoto
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Patent number: 10081219Abstract: To obtain a front axle frame having a high degree of strength appropriate to heavy load tasks, without resulting in a decrease in productivity or a drastic rise in costs. In a tractor that includes a front axle frame supporting a front axle case, the front axle frame is configured by a cast metal member having a support portion on a bottom of the front axle frame, the support portion supporting the front axle case.Type: GrantFiled: March 19, 2015Date of Patent: September 25, 2018Assignee: KUBOTA CORPORATIONInventors: Daisuke Tomimatsu, Tatsuyuki Kashimoto, Yutaka Inubushi
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Publication number: 20170129284Abstract: To obtain a front axle frame having a high degree of strength appropriate to heavy load tasks, without resulting in a decrease in productivity or a drastic rise in costs. In a tractor that includes a front axle frame supporting a front axle case, the front axle frame is configured by a cast metal member having a support portion on a bottom of the front axle frame, the support portion supporting the front axle case.Type: ApplicationFiled: March 19, 2015Publication date: May 11, 2017Applicant: KUBOTA CORPORATIONInventors: Daisuke TOMIMATSU, Tatsuyuki KASHIMOTO, Yutaka INUBUSHI
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Patent number: 9555843Abstract: Disclosed is a work vehicle having a weight that can be attached to a vehicle body frame. The weight is attached in such a manner that, over an entire length in a front/rear direction of the vehicle body and in a vertical direction of the vehicle body, an upper end portion of the weight is disposed in a same position as or upwardly of a lower end portion of the vehicle body frame, and at the same time in a same position as or downwardly of an upper end portion of the vehicle body frame.Type: GrantFiled: March 12, 2014Date of Patent: January 31, 2017Assignee: Kubota CorporationInventors: Hiroo Fujimoto, Tatsuyuki Kashimoto, Yutaka Inubushi
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Publication number: 20160059912Abstract: Disclosed is a work vehicle having a weight that can be attached to a vehicle body frame. The weight is attached in such a manner that, over an entire length in a front/rear direction of the vehicle body and in a vertical direction of the vehicle body, an upper end portion of the weight is disposed in a same position as or upwardly of a lower end portion of the vehicle body frame, and at the same time in a same position as or downwardly of an upper end portion of the vehicle body frame.Type: ApplicationFiled: March 12, 2014Publication date: March 3, 2016Inventors: Hiroo Fujimoto, Tatsuyuki Kashimoto, Yutaka Inubushi
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Patent number: 8100212Abstract: Provided are a vehicle body frame, a support frame that is erected on the vehicle body frame and that supports a hood, a steering wheel, a steering column that is erected on the vehicle body frame and that supports the steering wheel, an instrument panel, an operation panel that is provided below the steering wheel and that has a display window at a position facing the instrument panel, and a connecting member connected at one end to the support frame and connected at the other end to the steering column; wherein the instrument panel is mounted on the connecting member.Type: GrantFiled: October 1, 2008Date of Patent: January 24, 2012Assignee: Kubota CorporationInventors: Megumi Sawai, Yutaka Inubushi
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Patent number: 7954592Abstract: A work vehicle operable in a rearward facing position using a simple construction is disclosed. The work vehicle includes a hydrostatic stepless change speed device for transmitting power from an engine to a traveling device, a change speed pedal mechanism operable in a forward facing position for changing speeds in the hydrostatic stepless change speed device, and a travel-control lever provided at a rear position of a vehicle body and operable in the rearward facing position. The travel-control lever and the change speed pedal mechanism are linked to each other through a mechanical interlocking mechanism so as to control the hydrostatic stepless change speed device by the travel-control lever through the change speed pedal mechanism.Type: GrantFiled: April 3, 2008Date of Patent: June 7, 2011Assignee: Kubota CorporationInventors: Eiji Miyazaki, Masayuki Nakano, Kenzo Ushiro, Masataka Takagi, Yutaka Inubushi
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Publication number: 20090236876Abstract: Provided are a vehicle body frame, a support frame that is erected on the vehicle body frame and that supports a hood, a steering wheel, a steering column that is erected on the vehicle body frame and that supports the steering wheel, an instrument panel, an operation panel that is provided below the steering wheel and that has a display window at a position facing the instrument panel, and a connecting member connected at one end to the support frame and connected at the other end to the steering column; wherein the instrument panel is mounted on the connecting member.Type: ApplicationFiled: October 1, 2008Publication date: September 24, 2009Applicant: KUBOTA CORPORATIONInventors: Megumi Sawai, Yutaka Inubushi
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Publication number: 20090005219Abstract: A work vehicle operable in a rearward facing position using a simple construction is disclosed. The work vehicle includes a hydrostatic stepless change speed device for transmitting power from an engine to a traveling device, a change speed pedal mechanism operable in a forward facing position for changing speeds in the hydrostatic stepless change speed device, and a travel-control lever provided at a rear position of a vehicle body and operable in the rearward facing position. The travel-control lever and the change speed pedal mechanism are linked to each other through a mechanical interlocking mechanism so as to control the hydrostatic stepless change speed device by the travel-control lever through the change speed pedal mechanism.Type: ApplicationFiled: April 3, 2008Publication date: January 1, 2009Applicant: KUBOTA CORPORATIONInventors: Eiji Miyazaki, Masayuki Nakano, Kenzo Ushiro, Masataka Takagi, Yutaka Inubushi
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Patent number: 7458438Abstract: A working vehicle with a speed maintaining apparatus having a plurality of wheels including at least one driven wheel; a vehicle body supported by the plurality of wheels; an engine supported by the vehicle body; a stepless transmission driven by the engine and capable of changing speed of power to the driven wheel; a neutral return device for biasing the stepless transmission toward a neutral position; a change speed pedal operatively connected to the stepless transmission; a speed maintaining device for maintaining the stepless transmission in a desired speed position; a speed setting lever movable to a retreat position and to positions in a forward speed range for setting the stepless transmission to the desired speed position in which the stepless transmission is maintained by the speed maintaining device; a relay rocking element connected to the stepless transmission through an auxiliary rocking element pivotable relative to the relay rocking element; and a control member provided in the speed maintaininType: GrantFiled: August 22, 2005Date of Patent: December 2, 2008Assignee: Kubota CorporationInventors: Akifumi Nishino, Yutaka Inubushi
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Patent number: 7444897Abstract: A control panel unit has a control lever operable by a driver seated at a driver's seat of a utility vehicle. The panel unit includes a base panel which covers the control lever except for its control grip area and a guide slot defined in the base panel along an operational displacement of the control lever. The panel unit further includes an inclined panel portion inclined by a predetermined angle relative to the base panel so as to orient its surface toward the driver and extending adjacent and along the length of the guide slot. A display face is formed in the surface of the inclined panel portion and configured for displaying operational positions of the lever.Type: GrantFiled: September 8, 2004Date of Patent: November 4, 2008Assignee: Kubota CorporationInventors: Takahiro Komine, Hitoshi Aoyama, Yutaka Inubushi, Yoshitaka Higashikawa, Hajime Shikiya
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Publication number: 20060081084Abstract: A working vehicle with a speed maintaining apparatus, comprises: a plurality of wheels including at least one driven wheel; a vehicle body supported by the plurality of wheels; an engine supported by the vehicle body; a stepless transmission driven by the engine and capable of changing speed of power to the driven wheel; a neutral return device for biasing the stepless transmission toward a neutral position; a change speed pedal operatively connected to the stepless transmission; a speed maintaining device for maintaining the stepless transmission in a desired speed position; a speed setting lever movable to a retreat position and to positions in a forward speed range for setting the stepless transmission to the desired speed position in which the stepless transmission is maintained by the speed maintaining device; a relay rocking element connected to the stepless transmission through an auxiliary rocking element pivotable relative to the relay rocking element; and a control member provided in the speed maintType: ApplicationFiled: August 22, 2005Publication date: April 20, 2006Applicant: Kubota CorporationInventors: Akifumi Nishino, Yutaka Inubushi
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Publication number: 20050139034Abstract: A control panel unit has a control lever operable by a driver seated at a driver's seat of a utility vehicle. The panel unit includes a base panel which covers the control lever except for its control grip area and a guide slot defined in the base panel along an operational displacement of the control lever. The panel unit further includes an inclined panel portion inclined by a predetermined angle relative to the base panel so as to orient its surface toward the driver and extending adjacent and along the length of the guide slot. A display face is formed in the surface of the inclined panel portion and configured for displaying operational positions of the lever.Type: ApplicationFiled: September 8, 2004Publication date: June 30, 2005Applicant: KUBOTA CORPORATIONInventors: Takahiro Komine, Hitoshi Aoyama, Yutaka Inubushi, Yoshitaka Higashikawa, Hajime Shikiya
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Patent number: 6752228Abstract: A tractor with a cab disposed rearwardly of a hood, the cab being mounted on a tractor body (T) including a body forming unit, the cab including a bottom wall defining left and right footrests. The cab has a total length larger than a total height thereof. The cab is arranged to have the footrests substantially level with a lower end of the body forming unit. The cab has an intermediate height level (x) lower than a height level of the hood.Type: GrantFiled: February 22, 2002Date of Patent: June 22, 2004Assignee: Kubota CorporationInventors: Hitoshi Aoyama, Seiichi Ishiizumi, Katsumi Yanagihara, Kuninosuke Iwata, Norihide Iwata, Takahiro Komine, Yutaka Inubushi, Shigeo Shoen
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Publication number: 20030015363Abstract: A tractor with a cab (C) disposed rearwardly of a hood (8), the cab being mounted on a tractor body (T) including a body forming unit (100; 3, 4, 5, 6), the cab including a bottom wall (27) defining left and right footrests (27a, 27a). The cab (C) has a total length (L) larger than a total height (H3) thereof. The cab (C) is arranged to have the footrests (27a, 27a) substantially level with a lower end of the body forming unit (100; 3, 4, 5, 6). The cab (C) has an intermediate height level (x) lower than a height level (H4) of the hood (8).Type: ApplicationFiled: February 22, 2002Publication date: January 23, 2003Applicant: KUBOTA CORPORATIONInventors: Hitoshi Aoyama, Seiichi Ishiizumi, Katsumi Yanagihara, Kuninosuke Iwata, Norihide Iwata, Takahiro Komine, Yutaka Inubushi, Shigeo Shoen