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1. 发明授权

US5033594A Change-speed construction for propelling system of work vehicle 失效
标题翻译：工作车推进系统变速施工
公开(公告)号：US5033594A
公开(公告)日：1991-07-23
申请号：US516326
申请日：1990-04-30
申请人： Arinobu Ishida , Toshihiko Kusano , Naotaka Kanai , Toshiyuki Matsumoto , Shinichi Takeda , Hiroshi Nishikawa , Tokio Horikawa
发明人： Arinobu Ishida , Toshihiko Kusano , Naotaka Kanai , Toshiyuki Matsumoto , Shinichi Takeda , Hiroshi Nishikawa , Tokio Horikawa
IPC分类号： B60W30/18 , B62D51/00
CPC分类号： B60W30/18 , B60W10/02 , B60W10/10 , B62D51/001 , B60Y2200/22 , Y10T74/20213 , Y10T74/20238
摘要： A change-speed construction for a propelling system of a work vehicle. The construction has a neutral return mechanism for causing a stepless transmission to return to the neutral in response to disengagement of a main propelling transmission clutch. Then, when the clutch is engaged again to resume vehicle run after a temporary stop for e.g. replenishment of materials to be worked, the vehicle does not make a sudden start.
摘要翻译：一种用于工作车辆推进系统的变速结构。该结构具有中立返回机构，用于响应于主推进变速器离合器的分离而使无级变速器返回中立。然后，当离合器再次接合以在临时停止之后恢复车辆行驶，例如。补充材料的工作，车辆不突然启动。

2. 外观设计

USD297238S Power tiller 失效
公开(公告)号：USD297238S
公开(公告)日：1988-08-16
申请号：US845744
申请日：1986-03-24
申请人： Tokio Horikawa , Arinobu Ishida
设计人： Tokio Horikawa , Arinobu Ishida

3. 发明授权

US5012907A Transmission for separately drivable right and left wheels 失效
标题翻译：单独驱动左右车轮的变速箱
公开(公告)号：US5012907A
公开(公告)日：1991-05-07
申请号：US506127
申请日：1990-04-09
申请人： Hisatake Fujioka , Tokio Horikawa , Nobuhide Yanagawa
发明人： Hisatake Fujioka , Tokio Horikawa , Nobuhide Yanagawa
IPC分类号： B60T1/00 , B62D11/08 , F16D11/12 , F16D15/00 , F16D67/02
CPC分类号： B60T1/005 , B62D11/08 , F16D11/12 , F16D15/00 , F16D67/02
摘要： A transmission comprises transmission shafts connected to right and left wheels, respectively. Each transmission shaft has a side clutch and a side brake. The side clutch includes clutch balls movable radially of the transmission shaft between a clutching position engaged with a first engagement portion of the transmission shaft and a declutching position radially retracted from the transmission shaft. The side brake includes brake balls movable radially of the transmission shaft between a braking position engaged with a second engagement portion of the transmission shaft and a releasing position radially retracted from the transmission shaft. A shifter sleeve is axially movably mounted on each transmission shafts. The shifter sleeve includes a first space for accommodating the clutch balls, a second space for accommodating the brake balls, and a projection for pressing the clutch balls and brake balls. The sleeve is movable between a position in which the projection presses the clutch balls into the first engagement portion, and a position in which the projection presses the brake balls into the second engagement portion with the clutch balls accommodated in the first space.
摘要翻译：变速器分别包括连接到左右车轮的传动轴。每个传动轴具有侧离合器和侧制动器。侧离合器包括在传动轴的径向上位于与传动轴的第一接合部分啮合的离合位置和从传动轴径向缩回的释放位置之间可移动的离合器球。侧制动器包括在与传动轴的第二接合部分接合的制动位置与从传动轴径向缩回的释放位置之间可在传动轴径向移动的制动球。换档套筒轴向可移动地安装在每个传动轴上。换档套筒包括用于容纳离合器球的第一空间，用于容纳制动球的第二空间，以及用于按压离合器球和制动球的突起。套筒可以在突出部将离合器球压入第一接合部的位置和突起之间移动，突起将制动球按压在与第一空间中的离合器球接合的第二接合部。

4. 发明授权

US4660668A Self-propelled agricultural machine 失效
标题翻译：自走农机
公开(公告)号：US4660668A
公开(公告)日：1987-04-28
申请号：US789766
申请日：1985-10-21
申请人： Tokio Horikawa , Mitsuaki Sawai , Hisatake Fujioka , Nobumasa Kawashima , Nobuhide Yanagawa
发明人： Tokio Horikawa , Mitsuaki Sawai , Hisatake Fujioka , Nobumasa Kawashima , Nobuhide Yanagawa
IPC分类号： B62D51/06 , B62D51/00
CPC分类号： B62D51/004
摘要： A self-propelled agricultural machine having a control section disposed laterally of a transmission case to control a drive transmission mechanism. A cover for a transmission device for transmitting engine output to the drive transmission mechanism is disposed laterally outwardly of the control section, and a fuel tank is disposed upwardly of the control section. Accordingly, the cover and the fuel tank protect the control section from contact by crop, shrubs and the like.
摘要翻译：一种自走农业机械，其具有设置在变速箱侧面的控制部分，以控制驱动传动机构。用于将发动机输出传递到驱动传递机构的传动装置的盖设置在控制部的横向外侧，并且燃料箱设置在控制部的上方。因此，盖和燃料箱保护控制部分免受作物，灌木等的接触。

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