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1. 发明授权

US4609065A Wheel drive structure for agricultural tractor 失效
标题翻译：农用拖拉机轮驱动结构
公开(公告)号：US4609065A
公开(公告)日：1986-09-02
申请号：US691772
申请日：1985-01-16
申请人： Hajime Shikiya , Hiroyuki Miki , Yasuo Nakata , Kazuo Hirata , Seiichi Ishiizumi
发明人： Hajime Shikiya , Hiroyuki Miki , Yasuo Nakata , Kazuo Hirata , Seiichi Ishiizumi
IPC分类号： B60K17/16 , B60K17/30 , F16H48/08
CPC分类号： B60K17/303 , Y10T74/2188
摘要： A wheel drive structure for an agricultural tractor comprising a drive case housing a differential mechanism and reduction mechanisms to transmit power from said differential mechanism to wheels. The drive case comprises first and second case portions and said first case portion is made of a structural steel pipe.
摘要翻译：一种用于农用拖拉机的轮驱动结构，包括容纳差速机构的驱动壳体和用于将动力从所述差速机构传递到车轮的减速机构。驱动箱包括第一和第二壳体部分，并且所述第一壳体部分由结构钢管制成。

2. 发明授权

US4669565A Agricultural tractor with a driver's cabin 失效
标题翻译：农用拖拉机与驾驶室
公开(公告)号：US4669565A
公开(公告)日：1987-06-02
申请号：US681517
申请日：1984-12-14
申请人： Hiroyuki Miki , Yasuo Nakata , Kazuo Hirata , Seiichi Ishiizumi , Genichi Funabashi
发明人： Hiroyuki Miki , Yasuo Nakata , Kazuo Hirata , Seiichi Ishiizumi , Genichi Funabashi
IPC分类号： B60R21/13 , B62D33/06
CPC分类号： B62D33/0617 , B60R21/131
摘要： An agricultural tractor with a driver's cabin, in which the cabin is supported by a safety frame which is in turn supported by an axle case.
摘要翻译：具有驾驶室的农用拖拉机，其中舱室由安全框架支撑，安全框架又由轴箱支撑。

3. 发明授权

US5490574A Hood having intake openings for drawing air for a radiator and an engine 失效
标题翻译：罩具有用于抽出散热器和发动机的空气的进气口
公开(公告)号：US5490574A
公开(公告)日：1996-02-13
申请号：US319830
申请日：1994-10-07
申请人： Seiichi Ishiizumi , Yasuo Nakata , Kazuo Hirata , Akinori Nakashima
发明人： Seiichi Ishiizumi , Yasuo Nakata , Kazuo Hirata , Akinori Nakashima
IPC分类号： B60K11/04 , B60K11/08 , F01P11/12
CPC分类号： F01P11/12 , B60K11/08
摘要： A hood for enclosing a radiator and an engine has a hood grille formed in a front surface of the hood. The hood grille includes a front wall, and right and left side walls extending from opposite sides of the front wall. The front wall defines intake openings for drawing in air for the radiator. The right and left side walls include bent portions bent substantially at right angles to the front wall. Opposite end regions thereof are secured to the right and left side walls by fixing devices. Hood grille netting extends over an entire area of the intake openings and covers at least parts of the right and left side walls. The opposite end regions of the hood grille netting are bent to correspond to the bent portions. The hood grille netting is secured to the hood grille by bolts and spacers to define spaces between the hood grille netting and the right and left side walls. These spaces communicate with the intake openings.
摘要翻译：用于封装散热器和发动机的罩具有形成在罩的前表面中的罩格栅。罩格包括前壁，从前壁的相对侧延伸的左右侧壁。前壁限定用于吸入散热器的进气口。右侧壁和左侧壁包括基本上与前壁成直角弯曲的弯曲部分。其相对的端部区域通过固定装置固定在左右侧壁上。敞篷格栅网在进气口的整个区域上延伸，并且覆盖左右侧壁的至少一部分。罩格栅网的相对端部区域被弯曲以对应于弯曲部分。发动机罩格栅通过螺栓和间隔件固定到发动机罩格栅，以限定发动机罩格栅与左右侧壁之间的空间。这些空间与进气口连通。

4. 发明授权

US4696365A Four wheel drive vehicle 失效
标题翻译：四轮驱动车
公开(公告)号：US4696365A
公开(公告)日：1987-09-29
申请号：US925066
申请日：1986-10-30
申请人： Shozo Ishimori , Mikio Ishida , Hiroyuki Miki , Seiichi Ishiizumi , Kazuo Hirata
发明人： Shozo Ishimori , Mikio Ishida , Hiroyuki Miki , Seiichi Ishiizumi , Kazuo Hirata
IPC分类号： B60K17/348 , B60K17/34
CPC分类号： B60K17/348
摘要： A four wheel drive vehicle with dirigible front wheels, comprising a main propelling drive transmission, and a front wheel drive transmission connected to the main transmission. The front wheel drive transmission is switchable between a first four wheel drive mode in which the front wheels and the rear wheels are driven at a substantially equal peripheral speed and a second four wheel drive mode in which the front wheels are driven at a higher peripheral speed than the rear wheels. The front wheel drive transmission includes a piston operable by a hydraulic control system including a control valve mechanically interlocked to a steering section of the vehicle for switching the front wheel drive transmission from the first drive mode to the second drive mode. The piston, which normally is biased toward a position for the first drive mode, is movable against the biasing force to a position for the second drive mode when the front wheels are steered to an angle exceeding a predetermined angle.
摘要翻译：具有可拆卸前轮的四轮驱动车辆，包括主推进驱动传动装置和连接到主变速器的前轮驱动传动装置。前轮驱动传动装置可以在其中前轮和后轮以大致相等的圆周速度驱动的第一四轮驱动模式和第二四轮驱动模式之间切换，其中前轮以更高的圆周速度被驱动比后轮。前轮驱动变速器包括可由液压控制系统操作的活塞，该液压控制系统包括机械地联接到车辆的转向部分的控制阀，用于将前轮驱动传动从第一驱动模式切换到第二驱动模式。通常朝向第一驱动模式的位置偏置的活塞当前轮转向超过预定角度的角度时，能够克服偏压力移动到用于第二驱动模式的位置。

5. 发明授权

US5263385A Speed control system for a working vehicle having a stepless transmission 失效
标题翻译：具有无级变速器的作业车辆的速度控制系统
公开(公告)号：US5263385A
公开(公告)日：1993-11-23
申请号：US887206
申请日：1992-05-21
申请人： Kazuo Hirata , Seiichi Ishiizumi
发明人： Kazuo Hirata , Seiichi Ishiizumi
IPC分类号： B60K31/00 , B60K26/00 , B60K26/04 , F16H61/42 , F16H61/439 , F16H61/66 , G05G11/00 , G05G1/14
CPC分类号： F16H61/66 , B60K26/00 , B60W10/04 , B60W10/101 , B60W30/18 , B60W2300/12 , B60W2540/10 , B60W2540/12 , B60W2540/16 , B60W2720/10 , Y10T74/20055 , Y10T74/2014 , Y10T74/2022
摘要： A speed control system for a working vehicle having a stepless transmission with a speed control shaft disposed on one side thereof and shiftable between a driving region and a neutral position. This speed control system includes a shift lever disposed on one side of a driver's section for setting a traveling speed of the tractor, while the speed control shaft of the stepless transmission is disposed on the other side of the driver's section. The shift lever is operatively connected to the speed control shaft through a link mechanism. The link mechanism includes a neutralizing mechanism in an intermediate position thereof adjacent the shift lever for returning the speed control shaft to the neutral position.
摘要翻译：一种用于工作车辆的速度控制系统，其具有无级变速器，其具有设置在其一侧上并可在驱动区域和中立位置之间移动的速度控制轴。该速度控制系统包括设置在驾驶员一侧的变速杆，用于设定牵引车的行驶速度，而无级变速器的速度控制轴设置在驾驶员部分的另一侧。变速杆通过连杆机构可操作地连接到速度控制轴。连杆机构包括一个中间位置，该中和机构邻近变速杆，用于将速度控制轴返回到中立位置。

6. 发明授权

US06752228B2 Tractor with a cab 有权
标题翻译：拖拉机与驾驶室
公开(公告)号：US06752228B2
公开(公告)日：2004-06-22
申请号：US10081890
申请日：2002-02-22
申请人： Hitoshi Aoyama , Seiichi Ishiizumi , Katsumi Yanagihara , Kuninosuke Iwata , Norihide Iwata , Takahiro Komine , Yutaka Inubushi , Shigeo Shoen
发明人： Hitoshi Aoyama , Seiichi Ishiizumi , Katsumi Yanagihara , Kuninosuke Iwata , Norihide Iwata , Takahiro Komine , Yutaka Inubushi , Shigeo Shoen
IPC分类号： B62D3306
CPC分类号： B62D33/0617 , Y10S180/90
摘要： 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.
摘要翻译：一种具有设置在发动机罩后方的驾驶室的驾驶室，驾驶室安装在包括主体形成单元的拖拉机主体（T）上，驾驶室包括限定左右脚踏板的底壁。驾驶室的总长度大于总高度。驾驶室被布置成使脚凳基本上与身体形成单元的下端平齐。驾驶室具有低于机罩高度的中间高度（x）。

7. 发明授权

US4691802A Agricultural tractor 失效
标题翻译：农用拖拉机
公开(公告)号：US4691802A
公开(公告)日：1987-09-08
申请号：US750105
申请日：1985-06-28
申请人： Shoso Ishimori , Seiichi Ishiizumi , Mikio Ishida
发明人： Shoso Ishimori , Seiichi Ishiizumi , Mikio Ishida
IPC分类号： B60K17/10
CPC分类号： F16H61/437 , B60K17/105 , Y10S180/90 , Y10T74/19991 , Y10T74/2186
摘要： An agricultural tractor in which a transmission case comprises a front case portion housing a hydraulic stepless change speed mechanism and a rear case portion housing a gear mechanism. A partition wall is interposed between the front and rear case portions, and a tractor frame is secured to the partition wall by means of bolts.
摘要翻译：一种农用拖拉机，其中变速箱包括容纳液压无级变速机构的前壳体部分和容纳齿轮机构的后壳部分。在前壳体部分和后壳体部分之间设置有分隔壁，并且通过螺栓将牵引机架固定在分隔壁上。

8. 发明授权

US4674287A Running apparatus for an agricultural vehicle 失效
标题翻译：农用车运行装置
公开(公告)号：US4674287A
公开(公告)日：1987-06-23
申请号：US658937
申请日：1984-10-09
申请人： Shoso Ishimori , Seiichi Ishiizumi , Mikio Ishida , Hiroshi Itatani
发明人： Shoso Ishimori , Seiichi Ishiizumi , Mikio Ishida , Hiroshi Itatani
IPC分类号： B60K17/10 , F15B1/02 , F15B1/053
CPC分类号： F16H61/4096 , F16H61/40 , F16H61/4183 , F16H61/42
摘要： A running apparatus for an agricultural vehicle comprising an oil stepless change speed device, an oil circuit for an oil pump and an oil motor to actuate the oil stepless change speed device and an accumulator. The accumulator accumulates a surplus of an output pressure of the oil pump when the pressure is higher than a predetermined value and discharges the accumulated pressure when the output pressure of the oil pump is lower than the predetermined value.
摘要翻译：一种用于农用车辆的行驶装置，包括无油无级变速装置，用于油泵的油回路和用于致动无级变速装置和蓄油器的油马达。当压力高于预定值时，蓄能器累积油泵的输出压力的过剩，并且当油泵的输出压力低于预定值时，累积压力被排出。

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