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公开(公告)号：US09283951B2
公开(公告)日：2016-03-15
申请号：US14317515
申请日：2014-06-27
Applicant: Kubota Corporation
Inventor： Susumu Umemoto , Hisao Mukai , Nobushige Ichikawa , Takuya Inamori , Yushi Matsuzaki
IPC: F16H61/40 , B60W10/196 , F16H61/421 , F16H61/431 , F16H61/47 , F02D31/00 , B60W10/101 , F16H61/66 , F16H59/36
CPC classification number: B60W10/196 , B60W10/101 , B60W2510/0638 , F02D31/00 , F16H61/421 , F16H61/431 , F16H61/47 , F16H2059/363 , F16H2059/366 , F16H2061/6615 , Y10T477/621 , Y10T477/688
Abstract: A speed change system for work vehicle having a continuously variable transmission device selects a first change gear ratio which is set larger than a smallest change gear ratio, when an engine rotational speed is a first set rotational speed which is set equal or close to an idling rotational speed of an engine; retains the change gear ratio of the continuously variable transmission device at the smallest change gear ratio, when the engine rotational speed is equal to or above a second set rotational speed set on a high-speed side relative to the first set rotational speed; and makes the change gear ratio of the continuously variable transmission device larger between the first change gear ratio and the smallest change gear ratio, as the engine rotational speed at that moment becomes lower, when the engine rotational speed is between the first and second set rotational speeds.
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公开(公告)号：US12065198B2
公开(公告)日：2024-08-20
申请号：US17944794
申请日：2022-09-14
Applicant: KUBOTA CORPORATION
Inventor： Takashi Kosaki , Takuya Inamori , Yoshihiko Kuroshita , Michita Kono , Yuji Imanaga
CPC classification number: B62D49/0692 , B60N2/797 , B60K2026/027 , B60K2026/029 , B62D49/06
Abstract: A working vehicle includes an operator seat and an armrest arranged on a side of the operator seat. The armrest includes an upper surface on which an operation tool arrangement portion is arranged, the operation tool arrangement portion arranging an operation tool, and a side surface having a concave portion. The concave portion is located on an area overlapping, in a front-to-back direction, with another area including the operation tool arrangement portion.
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公开(公告)号：US20200001710A1
公开(公告)日：2020-01-02
申请号：US16472617
申请日：2018-09-18
Applicant: Kubota Corporation
Inventor： Kensuke Taira , Toyohiko Kumatori , Satoshi Yoshikawa , Takuya Inamori
Abstract: A traveling vehicle includes: a body; a steering wheel that is attached to the body and rotates around a rotating shaft; and a forward-reverse switching lever that switches between a forward position, a neutral position, and a reverse position. The forward-reverse switching lever includes: a lever main body that is pulled up at the neutral position and swings forward or rearward in a pulled-up state; and a grip mounted to an upper portion of the lever main body, the grip includes: a base portion including an upper face; and a protruding portion protruding downward from the base portion, and the protruding portion includes: a distal face that is opposite a rotating-shaft side of the protruding portion; a first side face; and a second side face.
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公开(公告)号：US20140378274A1
公开(公告)日：2014-12-25
申请号：US14317515
申请日：2014-06-27
Applicant: Kubota Corporation
Inventor： Susumu Umemoto , Hisao Mukai , Nobushige Ichikawa , Takuya Inamori , Yushi Matsuzaki
IPC: B60W10/196 , B60W10/101
CPC classification number: B60W10/196 , B60W10/101 , B60W2510/0638 , F02D31/00 , F16H61/421 , F16H61/431 , F16H61/47 , F16H2059/363 , F16H2059/366 , F16H2061/6615 , Y10T477/621 , Y10T477/688
Abstract: A speed change system for work vehicle having a continuously variable transmission device selects a first change gear ratio which is set larger than a smallest change gear ratio, when an engine rotational speed is a first set rotational speed which is set equal or close to an idling rotational speed of an engine; retains the change gear ratio of the continuously variable transmission device at the smallest change gear ratio, when the engine rotational speed is equal to or above a second set rotational speed set on a high-speed side relative to the first set rotational speed; and makes the change gear ratio of the continuously variable transmission device larger between the first change gear ratio and the smallest change gear ratio, as the engine rotational speed at that moment becomes lower, when the engine rotational speed is between the first and second set rotational speeds.
Abstract translation: 具有无级变速装置的作业车辆的变速系统选择设定为大于最小变速比的第一变速比，当发动机转速为设定为等于或接近空转的第一设定转速时 发动机转速; 当所述发动机转速等于或高于相对于所述第一设定转速在高速侧设定的第二设定转速时，以所述最小变速比保持所述无级变速器的变速比; 并且当发动机转速在第一和第二设定转动之间时，随着当时的发动机转速变低，无级变速器的变速比在第一变速比和最小变速比之间变大 速度。
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Patent Agency Ranking
公开(公告)号：US10000120B2
公开(公告)日：2018-06-19
申请号：US14641757
申请日：2015-03-09
Applicant: KUBOTA CORPORATION
Inventor： Daisuke Kobayashi , Akari Kakudate , Daisuke Fujii , Takuya Inamori , Muneomi Kikuchi , Ryuusuke Furukawa
IPC: B60K25/00 , G05G1/04 , G05G1/30 , B62D33/073
CPC classification number: B60K25/00 , B62D33/073 , G05G1/04 , G05G1/30 , Y10T74/20396
Abstract: The present invention is a work vehicle having a first operation tool which is rockable or movable in a front/back direction arranged on a one side of a driver's seat. A second operation tool is rockable or movable in the front/back direction and is arranged forward of the first operation tool. A third operation tool is depressible and is arranged between the first operation tool and the second operation tool in the front/back direction.
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公开(公告)号：US08798878B2
公开(公告)日：2014-08-05
申请号：US13889733
申请日：2013-05-08
Applicant: Kubota Corporation
Inventor： Susumu Umemoto , Hisao Mukai , Nobushige Ichikawa , Takuya Inamori , Yushi Matsuzaki
IPC: G06F7/00
CPC classification number: B60W10/196 , B60W10/101 , B60W2510/0638 , F02D31/00 , F16H61/421 , F16H61/431 , F16H61/47 , F16H2059/363 , F16H2059/366 , F16H2061/6615 , Y10T477/621 , Y10T477/688
Abstract: A speed change system for work vehicle having a continuously variable transmission device selects a first change gear ratio which is set larger than a smallest change gear ratio, when an engine rotational speed is a first set rotational speed which is set equal or close to an idling rotational speed of an engine; retains the change gear ratio of the continuously variable transmission device at the smallest change gear ratio, when the engine rotational speed is equal to or above a second set rotational speed set on a high-speed side relative to the first set rotational speed; and makes the change gear ratio of the continuously variable transmission device larger between the first change gear ratio and the smallest change gear ratio, as the engine rotational speed at that moment becomes lower, when the engine rotational speed is between the first and second set rotational speeds.
Abstract translation: 具有无级变速装置的作业车辆的变速系统选择设定为大于最小变速比的第一变速比，当发动机转速为设定为等于或接近空转的第一设定转速时 发动机转速; 当所述发动机转速等于或高于相对于所述第一设定转速在高速侧设定的第二设定转速时，以所述最小变速比保持所述无级变速器的变速比; 并且当发动机转速在第一和第二设定转动之间时，随着当时的发动机转速变低，无级变速器的变速比在第一变速比和最小变速比之间变大 速度。
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公开(公告)号：US11541951B2
公开(公告)日：2023-01-03
申请号：US17081338
申请日：2020-10-27
Applicant: KUBOTA CORPORATION
Inventor： Takashi Kosaki , Takuya Inamori , Yoshihiko Kuroshita , Michita Kono , Yuji Imanaga
Abstract: A working vehicle includes an operator seat, an armrest arranged on a side of the operator seat, and a speed shifter to change a traveling speed. The armrest includes an operation lever to be swung back and forth to cause the speed shifter to perform acceleration and deceleration, and an operation switch to be pressed to cause the speed shifter to perform acceleration and deceleration.
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公开(公告)号：US11052759B2
公开(公告)日：2021-07-06
申请号：US16472617
申请日：2018-09-18
Applicant: Kubota Corporation
Inventor： Kensuke Taira , Toyohiko Kumatori , Satoshi Yoshikawa , Takuya Inamori
Abstract: A traveling vehicle includes: a body; a steering wheel that is attached to the body and rotates around a rotating shaft; and a forward-reverse switching lever that switches between a forward position, a neutral position, and a reverse position. The forward-reverse switching lever includes: a lever main body that is pulled up at the neutral position and swings forward or rearward in a pulled-up state; and a grip mounted to an upper portion of the lever main body, the grip includes: a base portion including an upper face; and a protruding portion protruding downward from the base portion, and the protruding portion includes: a distal face that is opposite a rotating-shaft side of the protruding portion; a first side face; and a second side face.
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公开(公告)号：US20130275027A1
公开(公告)日：2013-10-17
申请号：US13889733
申请日：2013-05-08
Applicant: Kubota Corporation
Inventor： Susumu Umemoto , Hisao Mukai , Nobushige Ichikawa , Takuya Inamori , Yushi Matsuzaki
IPC: F02D31/00
CPC classification number: B60W10/196 , B60W10/101 , B60W2510/0638 , F02D31/00 , F16H61/421 , F16H61/431 , F16H61/47 , F16H2059/363 , F16H2059/366 , F16H2061/6615 , Y10T477/621 , Y10T477/688
Abstract: A speed change system for work vehicle having a continuously variable transmission device selects a first change gear ratio which is set larger than a smallest change gear ratio, when an engine rotational speed is a first set rotational speed which is set equal or close to an idling rotational speed of an engine; retains the change gear ratio of the continuously variable transmission device at the smallest change gear ratio, when the engine rotational speed is equal to or above a second set rotational speed set on a high-speed side relative to the first set rotational speed; and makes the change gear ratio of the continuously variable transmission device larger between the first change gear ratio and the smallest change gear ratio, as the engine rotational speed at that moment becomes lower, when the engine rotational speed is between the first and second set rotational speeds.
Abstract translation: 具有无级变速装置的作业车辆的变速系统选择设定为大于最小变速比的第一变速比，当发动机转速为设定为等于或接近空转的第一设定转速时 发动机转速; 当所述发动机转速等于或高于相对于所述第一设定转速在高速侧设定的第二设定转速时，以所述最小变速比保持所述无级变速器的变速比; 并且当发动机转速在第一和第二设定转动之间时，随着当时的发动机转速变低，无级变速器的变速比在第一变速比和最小变速比之间变大 速度。
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