Patents by Inventor Tsuyoshi Gono
Tsuyoshi Gono 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: 20220192073Abstract: A working vehicle includes: a vehicle body; a lifting device provided on the vehicle body; a first setting member to set a reference position in a height direction of the working device coupled to the lifting device; a lifting operation member to be operated to raise and lower the lifting device; a first lifting control unit to perform reference lifting control to raise or lower the lifting device so that the working device is located at the reference position; and a second lifting control unit to stop the reference lifting control when the lifting operation member is operated during work by the working device and to raise or lower the lifting device in response to the operation of the lifting operation member. The first lifting control unit performs control to return the lifting device to a position corresponding to the reference position when the operation of the lifting operation member is released after the reference lifting control is stopped.Type: ApplicationFiled: March 15, 2022Publication date: June 23, 2022Applicant: KUBOTA CORPORATIONInventors: Tsuyoshi GONO, Susumu TAKEOKA, Toshiya TSUJI, Kazutaka FUJIMOTO, Keiji TAKAHASHI, Shinya YAMADA
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Publication number: 20220196147Abstract: A working vehicle includes: a vehicle body provided with a traveling device; a hydraulic pump including a swashplate configured to change an output of the hydraulic pump according to a swashplate angle; a traveling motor including an output shaft having a rotation speed variable according to the output of the hydraulic pump and capable of transmitting power of the output shaft to the traveling device; an angle detector configured to detect the swashplate angle that is an angle of the swashplate; and a swashplate control unit configured to control the swashplate angle on the basis of control information relating to control of the swashplate angle and an actual swashplate angle that is the swashplate angle detected by the angle detector.Type: ApplicationFiled: March 15, 2022Publication date: June 23, 2022Applicant: KUBOTA CORPORATIONInventors: Tsuyoshi GONO, Naoya NIHEI, Yuji HIRASE, Susumu TAKEOKA, Keiji TAKAHASHI
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Publication number: 20220185282Abstract: A work vehicle includes an engine, a transmission to change a received rotational force to a rotational force at a gear ratio that corresponds to a desired vehicle speed and output the changed rotational force, a first operating tool to change the rotation speed of the engine and a deceleration rate of the transmission, a rotation speed controller to control the rotation speed of the engine based on an input provided to the first operating tool, and a second operating tool to receive a holding instruction to hold the rotation speed of the engine constant. In response to the holding instruction being inputted to the second operating tool, the rotation speed controller is configured or programmed to disable control of the rotation speed of the engine which control is based on the input provided to the first operating tool, and hold the rotation speed of the engine constant in accordance with the holding instruction.Type: ApplicationFiled: December 7, 2021Publication date: June 16, 2022Inventors: Keiji TAKAHASHI, Tatsuya SAKAI, Naoya OKAMOTO, Ryuji KITAGAWA, Tsuyoshi GONO
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Patent number: 11332008Abstract: A working machine has a display device including: an area display portion to display a setting area for setting the first priority value, the second priority value, and the third priority value; a first axis display portion including a first scale portion indicating the first priority value depending on a distance from the reference point; a second axis display portion including a second scale portion indicating the second priority value depending on a distance from the reference point; a third axis display portion including a third scale portion indicating the third priority value depending on a distance from the reference point; and a marker display portion to be indicated in a partial area corresponding to at least two of the first axis display portion, the second axis display portion, and the third axis display portion.Type: GrantFiled: June 11, 2019Date of Patent: May 17, 2022Assignee: KUBOTA CORPORATIONInventors: Ryo Wataya, Tsuyoshi Gono, Susumu Takeoka
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Publication number: 20210402874Abstract: A PTO shaft driving device in a working machine, includes a parking switch to detect parking of a vehicle body, a first switch located on a manipulator located on the vehicle body to output a PTO shaft control command that is either a driving command to drive a PTO shaft located on the vehicle body or a stopping command to stop the PTO shaft, a second switch located at a position different from the manipulator to output a PTO shaft control command that is either a driving command to drive the PTO shaft or a stopping command to stop the PTO shaft, a first permission switch to selectively permit or prohibit a stationary work when the parking switch detects the parking, and a controller configured or programmed to control driving of the PTO shaft. The controller is configured or programmed to selectively drive or stop the PTO shaft according to the PTO shaft control command from the first switch or the second switch when the stationary work is permitted by the first permission switch.Type: ApplicationFiled: June 25, 2021Publication date: December 30, 2021Inventors: Keiji TAKAHASHI, Tatsuya SAKAI, Tsuyoshi GONO, Norita TOTTORI
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Publication number: 20210364074Abstract: A work vehicle includes a hydrostatic stepless speed changer device configured to speed-change driving power of an engine steplessly, a plurality of planetary gear speed changer devices configured to speed-change the driving power speed-changed by the stepless speed changer device, a plurality of clutch mechanisms corresponding to the plurality of planetary gear speed changer devices in order to take off the driving powers from these plurality of planetary gear speed changer devices individually, and a traveling speed changer device for speed-changing and transmitting the driving powers transmitted from the plurality of clutch mechanisms to a traveling mechanism. The plurality of planetary gear speed changer devices the plurality of clutch mechanisms, and the traveling speed changer device are accommodated in a transmission case.Type: ApplicationFiled: December 6, 2019Publication date: November 25, 2021Applicant: KUBOTA CORPORATIONInventors: Yuji HIRASE, Ryoma IWASE, Tsuyoshi GONO, Takuya NISHIKUBO, Susumu TAKEOKA, Tsubasa KAWAZOE, Atsushi JINNAI
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Publication number: 20210189688Abstract: A working machine includes a machine body capable of traveling, a working device to be attached to the machine body, a steering handle provided to the machine body and capable of being rotatably operated, an assist grip attached to the steering handle to assist a rotating operation of the steering handle, and an operation tool provided to the assist grip to operate devices provided to the machine body.Type: ApplicationFiled: December 9, 2020Publication date: June 24, 2021Inventors: Junichi YUASA, Tsuyoshi GONO
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Publication number: 20200248807Abstract: A drive device for a PTO shaft includes a parking switch to detect a parking state of a vehicle body, a permission switch constituted of a self-returning switch and connected to the parking switch, the permission switch being configured to be switched to permit driving a PTO shaft, the PTO shaft being configured to be driven by a power of a prime mover disposed on the vehicle body, and a first switch device to be switched to enable the PTO shaft to be driven when the permission switch is switched to permit driving the PTO shaft under a state where the parking switch detects the parking state of the vehicle body.Type: ApplicationFiled: March 16, 2020Publication date: August 6, 2020Applicant: KUBOTA CORPORATIONInventors: Manabu TOGO, Hiroshi MIYAKE, Ryuji KATAOKA, Tsuyoshi GONO
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Patent number: 10632841Abstract: A drive device for a PTO shaft includes a parking switch to detect a parking state of a vehicle body, a permission switch constituted of a self-returning switch and connected to the parking switch, the permission switch being configured to be switched to permit driving a PTO shaft, the PTO shaft being configured to be driven by a power of a prime mover disposed on the vehicle body, and a first switch device to be switched to enable the PTO shaft to be driven when the permission switch is switched to permit driving the PTO shaft under a state where the parking switch detects the parking state of the vehicle body.Type: GrantFiled: June 20, 2017Date of Patent: April 28, 2020Assignee: KUBOTA CORPORATIONInventors: Manabu Togo, Hiroshi Miyake, Ryuji Kataoka, Tsuyoshi Gono
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Publication number: 20190375294Abstract: A working machine has a display device including: an area display portion to display a setting area for setting the first priority value, the second priority value, and the third priority value; a first axis display portion including a first scale portion indicating the first priority value depending on a distance from the reference point; a second axis display portion including a second scale portion indicating the second priority value depending on a distance from the reference point; a third axis display portion including a third scale portion indicating the third priority value depending on a distance from the reference point; and a marker display portion to be indicated in a partial area corresponding to at least two of the first axis display portion, the second axis display portion, and the third axis display portion.Type: ApplicationFiled: June 11, 2019Publication date: December 12, 2019Applicant: KUBOTA CORPORATIONInventors: Ryo WATAYA, Tsuyoshi GONO, Susumu TAKEOKA
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Publication number: 20190373806Abstract: A display device for a working machine, includes a plurality of setting boxes, each of the setting boxes including: an item display portion representing a setting item relating to the working machine; and a setting display portion representing setting information of the setting item. The plurality of setting boxes are displayed on a screen, and a setting input portion to input the setting information corresponding to the setting item of each of the setting boxes is displayed on the screen in addition to the plurality of setting boxes displayed on the screen.Type: ApplicationFiled: June 11, 2019Publication date: December 12, 2019Applicant: KUBOTA CORPORATIONInventors: Ryo WATAYA, Tsuyoshi GONO, Dai KADOTA, Gen FUTAGAMI, Shinya UKAI, Kazutaka FUJIMOTO, Kazuma ISHIHARA, Susumu TAKEOKA, Kiyokazu FUJIBAYASHI, Tetsuo YAMAGUCHI, Hitoshi AZUMA
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Publication number: 20190373805Abstract: A display device for a working machine, includes: a plurality of candidate boxes in which candidate setting information to be set to the working machine is represented, the candidate boxes being displayed on a screen; and a contents display portion in which a setting item relating to the working machine is displayed. The display device includes a display control portion to move a display box to a position corresponding to the contents display portion in performing the setting to the working machine, the display box being one of the plurality of candidate boxes in which candidate setting information corresponding to the setting is displayed.Type: ApplicationFiled: June 11, 2019Publication date: December 12, 2019Applicant: KUBOTA CORPORATIONInventors: Ryo WATAYA, Tsuyoshi GONO
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Patent number: 9945464Abstract: A transmission apparatus D that can avoid size-up of a starter through reduction of load torque required at the time of start-up of an engine, includes a traveling transmission device D1 configured to transmit power outputted from an engine 3a via a forward/reverse switching mechanism 50 acting also as a main clutch mechanism, a hydrostatic stepless speed changer mechanism 20 acting as a main speed changer mechanism, a planetary gear mechanism 40 and an auxiliary speed changer mechanism 60 to traveling components such as front wheels 1, rear wheels 2, etc., and an implement transmission device D2 configured to transmit the power outputted from the engine 3a via an implement clutch 70, an implement speed changer mechanism 71, and a PTO shaft 7 to an implement.Type: GrantFiled: April 18, 2016Date of Patent: April 17, 2018Assignee: Kubota CorporationInventors: Yuji Hirase, Hidetoshi Hana, Tsuyoshi Gono
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Publication number: 20170368932Abstract: A drive device for a PTO shaft includes a parking switch to detect a parking state of a vehicle body, a permission switch constituted of a self-returning switch and connected to the parking switch, the permission switch being configured to be switched to permit driving a PTO shaft, the PTO shaft being configured to be driven by a power of a prime mover disposed on the vehicle body, and a first switch device to be switched to enable the PTO shaft to be driven when the permission switch is switched to permit driving the PTO shaft under a state where the parking switch detects the parking state of the vehicle body.Type: ApplicationFiled: June 20, 2017Publication date: December 28, 2017Applicant: KUBOTA CORPORATIONInventors: Manabu TOGO, Hiroshi MIYAKE, Ryuji KATAOKA, Tsuyoshi GONO
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Publication number: 20160312872Abstract: A transmission apparatus D that can avoid size-up of a starter through reduction of load torque required at the time of start-up of an engine, includes a traveling transmission device D1 configured to transmit power outputted from an engine 3a via a forward/reverse switching mechanism 50 acting also as a main clutch mechanism, a hydrostatic stepless speed changer mechanism 20 acting as a main speed changer mechanism, a planetary gear mechanism 40 and an auxiliary speed changer mechanism 60 to traveling components such as front wheels 1, rear wheels 2, etc., and an implement transmission device D2 configured to transmit the power outputted from the engine 3a via an implement clutch 70, an implement speed changer mechanism 71, and a PTO shaft 7 to an implement.Type: ApplicationFiled: April 18, 2016Publication date: October 27, 2016Inventors: Yuji Hirase, Hidetoshi Hana, Tsuyoshi Gono