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1. 发明授权

US4273001A Gear transmission 失效
标题翻译：齿轮传动
公开(公告)号：US4273001A
公开(公告)日：1981-06-16
申请号：US24030
申请日：1979-03-26
申请人： Masayoshi Miyahara , Morimitsu Katayama , Hiroyuki Kisaka
发明人： Masayoshi Miyahara , Morimitsu Katayama , Hiroyuki Kisaka
IPC分类号： F16H3/08 , F16H37/04 , F16H61/02 , F16H37/06 , G05G9/12
CPC分类号： F16H37/043 , F16H3/08 , F16H61/0293 , F16H2708/04 , Y10T74/194 , Y10T74/20018
摘要： A gear transmission comprising a driving transmission shaft, a driven transmission shaft, a gear shaft between the two transmission shafts, three speed change gears of different diameters mounted on the gear shaft, an auxiliary speed change shaft carrying three gears of different diameters respectively in mesh with the speed change gears, and two clutch members provided between one or the other of the transmission shafts and the gear shaft. Each clutch member provides two speeds by switching between a position to connect one of the transmission shafts to the gear shaft and a position to connect the transmission shaft to one of the speed change gears. Thus the gear transmission provides a total of four speeds.
摘要翻译：一种齿轮传动装置，包括驱动传动轴，从动传动轴，两个传动轴之间的齿轮轴，安装在齿轮轴上的三个不同直径的变速齿轮，分别具有不同直径的三个齿轮的辅助变速轴具有变速齿轮和设置在一个或另一个传动轴和齿轮轴之间的两个离合器构件。每个离合器构件通过在将传动轴中的一个连接到齿轮轴的位置和将变速器轴连接到变速齿轮之一的位置之间切换来提供两个速度。因此，齿轮传动提供总共四个速度。

2. 发明授权

US4245514A Transmission mechanism for vehicles 失效
标题翻译：车辆传动机构
公开(公告)号：US4245514A
公开(公告)日：1981-01-20
申请号：US22318
申请日：1979-03-20
申请人： Masayoshi Miyahara , Morimitsu Katayama
发明人： Masayoshi Miyahara , Morimitsu Katayama
IPC分类号： B60K17/28 , F16H3/10 , F16H61/00 , F16H37/00
CPC分类号： F16H3/10 , F16H3/006 , Y10T74/1926
摘要： A transmission mechanism for vehicles comprising main clutch means having a primary clutch and a secondary clutch, primary and secondary propeller shafts for primary and secondary transmissions adapted to be intermittently rotated by the operation of said main clutch means, a first transmission system adapted to transmit the transmission power of said primary propeller shaft, a second transmission system adapted to transmit the transmission power of said secondary propeller shaft, and a reduction gearing for interlocking said secondary propeller shaft with said second transmission system. Further disposed is a transmission unit having a uni-directional clutch adapted to permit engine power to be transmitted only in the direction from said secondary propeller shaft to said primary propeller shaft.
摘要翻译：一种用于车辆的变速机构，包括具有主离合器和二次离合器的主离合器装置，适于通过所述主离合器装置的操作而间歇地旋转的主和副传动装置的一次和二次传动轴;适于传递所述主推进器轴的传动功率，适于传递所述副传动轴的传动功率的第二传动系统和用于将所述副传动轴与所述第二传动系统联动的减速齿轮。进一步布置的是具有单向离合器的传动单元，其适于允许发动机功率仅在从所述次级传动轴到所述主推进器轴的方向上传递。

3. 发明授权

US4085806A Hydraulic control system for tractor 失效
标题翻译：拖拉机液压控制系统
公开(公告)号：US4085806A
公开(公告)日：1978-04-25
申请号：US757010
申请日：1977-01-05
申请人： Masahide Osujyo , Isamu Yamanishi , Akio Inamori , Kaoru Fujikawa , Noboru Wakabayashi , Seiichi Ikegami , Makoto Okada , Morimitsu Katayama
发明人： Masahide Osujyo , Isamu Yamanishi , Akio Inamori , Kaoru Fujikawa , Noboru Wakabayashi , Seiichi Ikegami , Makoto Okada , Morimitsu Katayama
IPC分类号： A01B63/112
CPC分类号： A01B63/112
摘要： Hydraulic control system including a bypass provided in an intermediate portion of an oil passage extending from a position control valve to a hydraulic actuator for raising and lowering a working implement. A draft control valve disposed in the bypass controls the pressure of oil flowing into the bypass, in response to the displacement of a member for sensing the draft force of the working implement.
摘要翻译：液压控制系统包括设置在从位置控制阀延伸到液压致动器的油路的中间部分中的旁路，用于升高和降低作业工具。设置在旁路中的牵引控制阀响应于用于感测作业工具的牵伸力的构件的位移来控制流入旁路的油的压力。

4. 发明授权

US4294130A Transmission for tractor 失效
标题翻译：拖拉机传动
公开(公告)号：US4294130A
公开(公告)日：1981-10-13
申请号：US893757
申请日：1978-04-05
申请人： Hiroyuki Kisaka , Makoto Sagata , Masayoshi Miyahara , Morimitsu Katayama
发明人： Hiroyuki Kisaka , Makoto Sagata , Masayoshi Miyahara , Morimitsu Katayama
IPC分类号： B60K17/06 , B60K17/04 , B60K17/08 , B60K17/28 , F16H3/16 , F16H37/04 , F16H37/06 , F16H37/00
CPC分类号： F16H37/043 , B60K17/04 , F16H3/16 , Y10T74/19084
摘要： A transmission for a tractor in which a main shaft to receive engine power, a travelling speed change shaft and a PTO speed change shaft are disposed in parallel with one another. A first travelling speed change means of a hydraulic clutch type is disposed on the travelling speed change shaft and provided with clutch means for backward travelling and first-stage forward travelling. A second travelling speed change means of a hydraulic clutch type is connected to and disposed rearwardly of the main shaft and provided with clutch means for second-stage, third-stage and fourth-stage forward travelling. The second hydraulic clutch type travelling speed change means is so constructed that, in response to power input from the main shaft, the clutch function thereof is performed prior to the speed change function thereof.
摘要翻译：用于其中接收发动机功率的主轴，行驶速度改变轴和PTO变速轴的牵引车的变速器彼此平行设置。液压离合器类型的第一行驶速度改变装置设置在行进变速轴上，并且设置有用于后退行驶和第一级前进行驶的离合器装置。液压离合器类型的第二移动速度改变装置连接并设置在主轴的后方，并且设置有用于第二级，第三级和第四级前进行驶的离合器装置。第二液压离合器式行驶速度改变装置的结构是，响应于从主轴输入的动力，其离合器功能在其变速功能之前进行。

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