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1. 发明授权

US6098386A Riding lawn mower and transmission for the same 失效
公开(公告)号：US6098386A
公开(公告)日：2000-08-08
申请号：US49505
申请日：1998-03-27
申请人： Hiroaki Shimizu , Norihiro Ishii , Koji Irikura , Robert Abend , Travis McCloud
发明人： Hiroaki Shimizu , Norihiro Ishii , Koji Irikura , Robert Abend , Travis McCloud
IPC分类号： A01D34/69 , A01D34/03
CPC分类号： A01D34/69 , A01D2101/00
摘要： The present invention provides a riding lawn mower comprising: two pairs of ground engaging wheels 2, 2 and 3, 3 disposed at front and rear portions of a vehicle frame 5; a cutter blade 9 supported by the vehicle frame 5; a drive source 7 mounted on the vehicle frame 5 and having an output shaft 8 extending downwardly; a transmission 20 including i) a casing 21; ii) an input shaft 22 substantially vertically supported by the casing 21, and iii) a pair of axles 4, 4 extending substantially horizontally in opposite directions, the pair of axles supporting each one of the two pairs of ground engaging wheels, the transmission 20 being arranged below the drive source 7 and having the input shaft 22 coupled substantially coaxially with the output shaft 8 of the drive source 7 non-rotatably relative thereto; and power transmitting members 10 and 11 for the cutter blade 9, the power transmitting members 10 and 11 being provided to rotate with the output shaft 8.

2. 发明授权

US06346060B1 Riding lawn mower and transmission for the same 失效
标题翻译：骑草坪割草机和传播相同
公开(公告)号：US06346060B1
公开(公告)日：2002-02-12
申请号：US09627506
申请日：2000-07-28
申请人： Hiroaki Shimizu , Norihiro Ishii , Koji Irikura , Robert Abend , Travis McCloud
发明人： Hiroaki Shimizu , Norihiro Ishii , Koji Irikura , Robert Abend , Travis McCloud
IPC分类号： F16H3708
CPC分类号： A01D34/69 , A01D2101/00
摘要： The present invention provides a riding lawn mower comprising: two pairs of ground engaging wheels 2, 2 and 3, 3 disposed at front and rear portions of a vehicle frame 5; a cutter blade 9 supported by the vehicle frame 5; a drive source 7 mounted on the vehicle frame 5 and having an output shaft 8 extending downwardly; a transmission 20 including i) a casing 21; ii) an input shaft 22 substantially vertically supported by the casing 21, and iii) a pair of axles 4, 4 extending substantially horizontally in opposite directions, the pair of axles supporting each one of the two pairs of ground engaging wheels, the transmission 20 being arranged below the drive source 7 and having the input shaft 22 coupled substantially coaxially with the output shaft 8 of the drive source 7 non-rotatably relative thereto; and power transmitting members 10 and 11 for the cutter blade 9, the power transmitting members 10 and 11 being provided to rotate with the output shaft 8.
摘要翻译：本发明提供一种骑马割草机，其包括：设置在车架5的前部和后部的两对地面接合轮2,3和3; 由车架5支撑的切割刀片9; 安装在车架5上并具有向下延伸的输出轴8的驱动源7; 包括i）壳体21的变速器20; ii）由壳体21基本上垂直支撑的输入轴22，以及iii）沿相反方向基本上水平延伸的一对轴4,4，支撑两对地面接合轮中的每一对的一对轴，变速器20 布置在驱动源7的下方，并且具有与驱动源7的输出轴8基本上同轴地与其不可旋转地相配合的输入轴22; 以及用于切割刀片9的动力传递部件10和11，动力传递部件10和11设置成与输出轴8一起旋转。

3. 发明授权

US6044941A Clutch-brake interlocking mechanism for starting and stopping vehicle 失效
标题翻译：用于起动和停止车辆的离合器 - 制动器互锁机构
公开(公告)号：US6044941A
公开(公告)日：2000-04-04
申请号：US193678
申请日：1998-11-17
申请人： Robert Abend , Travis McCloud , Hiroaki Shimizu , Koji Irikura
发明人： Robert Abend , Travis McCloud , Hiroaki Shimizu , Koji Irikura
IPC分类号： B60W30/18 , F16D55/30 , F16D65/14 , F16D65/46 , F16D67/02 , B60K41/24
CPC分类号： F16D67/02 , B60W10/02 , B60W10/18 , B60W30/18018 , F16D55/30 , F16D65/46 , B60W2300/152 , B60W2540/12 , B60W2540/14 , B60W2710/021 , B60W2710/18 , B60W30/18118 , F16D2121/16 , F16D2125/32
摘要： A clutch-brake interlocking mechanism interlocks a brake with a clutch to prevent the brake and the clutch from being disengaged simultaneously so as to prevent a vehicle from inadvertently moving on a slope. The interlocking mechanism includes: (a) a friction clutch 10 including a drive-side member 11 and a driven-side member 12, wherein the drive-side member 11 and the driven-side member 12 are engaged when the drive-side member 11 is pressed toward the driven-side member 12; (b) a friction brake 20 including a brake member 22 (and 23) and a brake disk 21, wherein the brake member 22 and the brake disk 21 are engaged when the brake member 22 is pressed toward the brake disk 21; and (c) a coupling member 30 for pressing the drive-side member 11 and the brake member 22. The coupling member 30 is pivotable and has a structure such that when the coupling member 30 is pivoted to a first position, the drive-side member 11 is fully pressed while the brake member 22 is not pressed, when the coupling member 30 is pivoted to a second position, the drive-side member 11 is not pressed while the brake member 22 is fully pressed, and when the coupling member 30 is pivoted between the first position and the second position, both the drive-side member 11 and the brake member 22 are halfway pressed.
摘要翻译：离合器 - 制动器互锁机构将制动器与离合器联锁，以防止制动器和离合器同时脱离，从而防止车辆在斜坡上无意地移动。联锁机构包括：（a）摩擦离合器10，其包括驱动侧构件11和从动侧构件12，其中驱动侧构件11和从动侧构件12在驱动侧构件11 被推向从动侧构件12; （b）包括制动构件22（和23）和制动盘21的摩擦制动器20，其中制动构件22和制动盘21在制动构件22被向制动盘21按压时接合; 和（c）用于按压驱动侧构件11和制动构件22的联接构件30.联接构件30可枢转并且具有这样的结构，使得当联接构件30枢转到第一位置时，驱动侧当制动构件22未被按压时，构件11被完全按压，当联接构件30枢转到第二位置时，驱动侧构件11在制动构件22被完全按压的同时未被按压，并且当联接构件30 在第一位置和第二位置之间枢转，驱动侧构件11和制动构件22都被中途按压。

4. 发明授权

US07431123B2 Vehicle improved in steering 失效
标题翻译：车辆转向改善
公开(公告)号：US07431123B2
公开(公告)日：2008-10-07
申请号：US11189993
申请日：2005-07-27
申请人： Koji Irikura , Norihiro Ishii , Ryota Ohashi , Kenichi Takada , Hirohiko Kawada , Robert Abend , Keith J. Andrews , Toshiyuki Hasegawa , Hiroaki Shimizu
发明人： Koji Irikura , Norihiro Ishii , Ryota Ohashi , Kenichi Takada , Hirohiko Kawada , Robert Abend , Keith J. Andrews , Toshiyuki Hasegawa , Hiroaki Shimizu
IPC分类号： B60K17/10
CPC分类号： A01D69/03 , B60K17/105 , B62D11/006 , B62D11/04 , B62D11/18 , B62D11/24 , F16H39/14
摘要： A vehicle including an integral transaxle apparatus with axles, a driving hydrostatic transmission (HST), a steering HST, and a differential unit. Driving operating means for slanting operation of a first movable swash plate of the variable displacement driving hydraulic pump for switching the travelling direction between forward and backward and for changing the travelling speed, and steering operating means for slanting operation of a second movable swash plate of the variable displacement steering hydraulic pump so as to determine the leftward and rightward cornering angle are provided. The steering hydraulic motor has a third movable swash plate interlocking with the driving operating means so that the slanting direction of the third movable swash plate is changed according to the operation of the driving operating means, whereby the vehicle turns laterally in the same direction in response to the steering operating means whether the vehicle travels forward or backward.
摘要翻译：一种包括具有轴的整体式驱动桥装置，驱动静液压传动装置（HST），转向装置HST和差动装置的车辆。用于使可变排量驱动液压泵的第一可动斜盘的倾斜操作的驱动操作装置，用于切换前后的行进方向和用于改变行驶速度;以及用于使第二可动斜盘的倾斜操作的转向操作装置提供可变排量转向液压泵，以确定左右拐角。转向液压马达具有与驱动操作装置互锁的第三可动斜盘，使得第三可动斜盘的倾斜方向根据驾驶操作装置的操作而改变，由此车辆在相同方向上横向转动到转向操作装置是否车辆前进或后退。

5. 发明申请

US20050257983A1 Vehicle improved in steering 失效
标题翻译：车辆转向改善
公开(公告)号：US20050257983A1
公开(公告)日：2005-11-24
申请号：US11189993
申请日：2005-07-27
申请人： Koji Irikura , Norihiro Ishii , Ryota Ohashi , Kenichi Takada , Hirohiko Kawada , Robert Abend , Keith Andrews , Toshiyuki Hasegawa , Hiroaki Shimizu
发明人： Koji Irikura , Norihiro Ishii , Ryota Ohashi , Kenichi Takada , Hirohiko Kawada , Robert Abend , Keith Andrews , Toshiyuki Hasegawa , Hiroaki Shimizu
IPC分类号： A01D69/03 , B60K17/00 , B60K17/10 , B62D11/00 , B62D11/04 , B62D11/18 , B62D11/24 , F16H39/14
CPC分类号： A01D69/03 , B60K17/105 , B62D11/006 , B62D11/04 , B62D11/18 , B62D11/24 , F16H39/14
摘要： A vehicle is installed with an integral transaxle apparatus constructed so that a single housing contains left and right axles, a driving hydrostatic transmission (HST) having a variable displacement first hydraulic pump and a first hydraulic motor fluidly connected with each other, a steering HST having a variable displacement second hydraulic pump and a variable displacement second hydraulic motor fluidly connected with each other, and a differential unit differentially connecting the axles with each other so as to be driven regularly or reversely by the output of the driving HST and to differentially drive the axles while receiving the output of the steering HST, wherein the first hydraulic pump receives power of a prime mover and has a first movable swash plate, and the second hydraulic pump receives power of the prime mover independently of the first hydraulic pump and has a second movable swash plate. The vehicle is also provided with driving operating means for slanting operation of the first movable swash plate for switching the travelling direction between forward and backward and for changing the travelling speed, and steering operating means for slanting operation of the second movable swash plate so as to determine the leftward and rightward cornering angle. The second hydraulic motor has a third movable swash plate interlocking with the driving operating means so that the slanting direction of the third movable swash plate is changed oppositely with respect to its neutral position according to the travelling direction switching operation of the driving operating means, whereby the vehicle turns laterally in the same direction of leftward and rightward steering operation of the steering operating means whether the vehicle travels forward or backward.
摘要翻译：车辆安装有整体的驱动桥装置，其构造成使得单个壳体包含左轴和右轴，具有可变排量第一液压泵的驱动静液压变速器（HST）和彼此流体连接的第一液压马达，转向HST具有相互流体连接的可变排量第二液压泵和可变排量第二液压马达，以及差动单元，其将轴彼此差分地连接，以便通过驱动HST的输出有规则地或相反地驱动，并差动驱动同时接收转向HST的输出，其中第一液压泵接收原动机的动力并具有第一可动斜盘，并且第二液压泵独立于第一液压泵接收原动机的动力，并且具有第二活动斜盘车辆还设置有用于使第一可动斜盘倾斜操作的驱动操作装置，用于切换前后的行进方向和用于改变行驶速度;以及用于使第二可动斜盘的倾斜操作的转向操作装置，以便确定左右拐角。第二液压马达具有与驱动操作装置互锁的第三可动斜盘，使得根据驱动操作装置的行进方向切换操作，第三可动斜盘的倾斜方向相对于其中立位置相反地改变，由此在车辆向前或向后行驶时，车辆在与转向操作装置的向左和向右转向操作相同的方向上横向转动。

6. 发明授权

US06397966B1 Vehicle improved in steering 失效
标题翻译：车辆转向改善
公开(公告)号：US06397966B1
公开(公告)日：2002-06-04
申请号：US09489680
申请日：2000-01-24
申请人： Koji Irikura , Norihiro Ishii , Ryota Ohashi , Kenichi Takada , Hirohiko Kawada , Robert Abend , Keith J. Andrews , Toshiyuki Hasegawa , Hiroaki Shimizu
发明人： Koji Irikura , Norihiro Ishii , Ryota Ohashi , Kenichi Takada , Hirohiko Kawada , Robert Abend , Keith J. Andrews , Toshiyuki Hasegawa , Hiroaki Shimizu
IPC分类号： B62D1100
CPC分类号： A01D69/03 , B60K17/105 , B62D11/006 , B62D11/04 , B62D11/18 , B62D11/24 , F16H39/14
摘要： A vehicle is installed with an integral transaxle apparatus constructed so that a single housing contains left and right axles, a driving hydrostatic transmission (HST) having a variable displacement first hydraulic pump and a first hydraulic motor fluidly connected with each other, a steering HST having a variable displacement second hydraulic pump and a variable displacement second hydraulic motor fluidly connected with each other, and a differential unit differentially connecting the axles with each other so as to be driven regularly or reversely by the output of the driving HST and to differentially drive the axles while receiving the output of the steering HST, wherein the first hydraulic pump receives power of a prime mover and has a first movable swash plate, and the second hydraulic pump receives power of the prime mover independently of the first hydraulic pump and has a second movable swash plate. The vehicle is also provided with driving operating means for slanting operation of the first movable swash plate for switching the travelling direction between forward and backward and for changing the travelling speed, and steering operating means for slanting operation of the second movable swash plate so as to determine the leftward and rightward cornering angle. The second hydraulic motor has a third movable swash plate interlocking with the driving operating means so that the slanting direction of the third movable swash plate is changed oppositely with respect to its neutral position according to the travelling direction switching operation of the driving operating means, whereby the vehicle turns laterally in the same direction of leftward and rightward steering operation of the steering operating means whether the vehicle travels forward or backward.
摘要翻译：车辆安装有整体的驱动桥装置，其构造成使得单个壳体包含左轴和右轴，具有可变排量第一液压泵的驱动静液压变速器（HST）和彼此流体连接的第一液压马达，转向HST具有相互流体连接的可变排量第二液压泵和可变排量第二液压马达，以及差动单元，其将轴彼此差分地连接，以便通过驱动HST的输出有规则地或相反地驱动，并差动驱动同时接收转向HST的输出，其中第一液压泵接收原动机的动力并具有第一可动斜盘，并且第二液压泵独立于第一液压泵接收原动机的动力，并且具有第二活动斜盘车辆还设置有用于使第一可动斜盘倾斜操作的驱动操作装置，用于切换前后的行进方向和用于改变行驶速度;以及用于使第二可动斜盘的倾斜操作的转向操作装置，以便确定左右拐角。第二液压马达具有与驱动操作装置互锁的第三可动斜盘，使得根据驱动操作装置的行进方向切换操作，第三可动斜盘的倾斜方向相对于其中立位置相反地改变，由此在车辆向前或向后行驶时，车辆在与转向操作装置的向左和向右转向操作相同的方向上横向转动。

7. 发明授权

US06659216B2 Vehicle improved steering 失效
标题翻译：车辆改善转向
公开(公告)号：US06659216B2
公开(公告)日：2003-12-09
申请号：US10122396
申请日：2002-04-16
申请人： Koji Irikura , Norihiro Ishii , Ryota Ohashi , Kenichi Takada , Hirohiko Kawada , Robert Abend , Keith J. Andrews , Toshiyuki Hasegawa , Hiroaki Shimizu
发明人： Koji Irikura , Norihiro Ishii , Ryota Ohashi , Kenichi Takada , Hirohiko Kawada , Robert Abend , Keith J. Andrews , Toshiyuki Hasegawa , Hiroaki Shimizu
IPC分类号： B62D1100
CPC分类号： A01D69/03 , B60K17/105 , B62D11/006 , B62D11/04 , B62D11/18 , B62D11/24 , F16H39/14
摘要： A vehicle including an integral transaxle apparatus with axles, a driving hydrostatic transmission (HST), a steering HST, and a differential unit. Driving operating means for slanting operation of a first movable swash plate of the variable displacement driving hydraulic pump for switching the travelling direction between forward and backward and for changing the travelling speed, and steering operating means for slanting operation of a second movable swash plate of the variable displacement steering hydraulic pump so as to determine the leftward and rightward cornering angle are provided. The steering hydraulic motor has a third movable swash plate interlocking with the driving operating means so that the slanting direction of the third movable swash plate is changed according to the operation of the driving operating means, whereby the vehicle turns laterally in the same direction in response to the steering operating means whether the vehicle travels forward or backward.
摘要翻译：一种包括具有轴的整体式驱动桥装置，驱动静液压传动装置（HST），转向装置HST和差动装置的车辆。用于使可变排量驱动液压泵的第一可动斜盘的倾斜操作的驱动操作装置，用于切换前后的行进方向和用于改变行驶速度;以及用于使第二可动斜盘的倾斜操作的转向操作装置提供可变排量转向液压泵，以确定左右拐角。转向液压马达具有与驱动操作装置互锁的第三可动斜盘，使得第三可动斜盘的倾斜方向根据驾驶操作装置的操作而改变，由此车辆在相同方向上横向转动到转向操作装置是否车辆前进或后退。

8. 发明授权

US06312354B1 Integral hydrostatic transaxle apparatus for driving and steering 失效
标题翻译：用于驾驶和转向的积分静液力驱动桥装置
公开(公告)号：US06312354B1
公开(公告)日：2001-11-06
申请号：US09489678
申请日：2000-01-24
申请人： Koji Irikura , Norihiro Ishii , Ryota Ohashi , Kenichi Takada , Hirohiko Kawada , Robert Abend , Keith J. Andrews , Toshiyuki Hasegawa , Hiroaki Shimizu
发明人： Koji Irikura , Norihiro Ishii , Ryota Ohashi , Kenichi Takada , Hirohiko Kawada , Robert Abend , Keith J. Andrews , Toshiyuki Hasegawa , Hiroaki Shimizu
IPC分类号： B62D1106
CPC分类号： B62D11/18
摘要： A transaxle apparatus is constructed so that left and right axles, two hydrostatic transmissions (HSTs), one for driving a vehicle and the other for steering it, and a differential unit for differentially connecting said axles with each other are together contained in a housing. The driving HST is disposed so that its hydraulic pump and motor are aligned along either a left or right side of the housing. The steering HST is disposed so that its hydraulic pump and motor are aligned along either a front or rear side of the housing. The differential unit is laterally opposite to the driving HST. Either the left or right axle crosses the driving HST between its hydraulic pump and motor. The two HSTs are provided with one or two flat center sections disposed in the housing. The cylinder blocks of the hydraulic pumps and motors of the two HSTs are mounted on either a top or bottom surface of the center section or sections. Power transmission mechanisms for transmitting output power from the hydraulic motors of the two HSTs into the differential unit are disposed on an opposite side of the center section(s) as the cylinder blocks. A charge pump may be attached onto the center section, and a conduit for sending fluid discharged from the charged pump into one or both HSTs may be partly extended outside the housing so as to be cooled by the atmosphere.
摘要翻译：传动桥装置被构造成使得左右轴，两个静液压变速器（HST），一个用于驱动车辆，另一个用于转向它，以及用于将所述轴彼此差分连接的差动单元一起被包含在壳体中。驱动HST被布置成使得其液压泵和马达沿壳体的左侧或右侧对准。转向HST被布置成使得其液压泵和马达沿壳体的前侧或后侧对准。差速单元与驱动HST横向相对。左或右轴与其液压泵和电机之间的驱动HST交叉。两个HST设置有设置在壳体中的一个或两个平的中心部分。两个HST的液压泵和马达的气缸体安装在中心部分的顶部或底部表面上。用于将两个HST的液压马达的输出功率传递到差速单元的动力传递机构设置在与气缸体一致的中心部分的相对侧上。电荷泵可以附接到中心部分，并且用于将从充电的泵排出的流体的一个或两个HST的导管部分地延伸到壳体外部，以便被大气冷却。

9. 发明申请

US20080060475A1 Gearless Differential in an Integrated Hydrostatic Transmission 审中-公开
标题翻译：集成静液压变速器中的无齿轮差速器
公开(公告)号：US20080060475A1
公开(公告)日：2008-03-13
申请号：US11849188
申请日：2007-08-31
申请人： Katsumoto MIZUKAWA , Jun Matsuura , Norihiro Ishii , Hiroaki Shimizu , Koji Irikura
发明人： Katsumoto MIZUKAWA , Jun Matsuura , Norihiro Ishii , Hiroaki Shimizu , Koji Irikura
IPC分类号： F16D31/04 , B62D3/00
CPC分类号： F16H48/145 , B60K17/02 , B60K17/105 , B60K17/356 , B60K17/358 , B60K23/0808 , B60Y2200/223 , B62D7/142 , B62D11/00 , F16H48/12 , F16H48/22 , Y10T74/19005
摘要： An improved differential unit for an integrated hydrostatic transmission (IHT) is provided. The differential unit comprises an input gear, a cross-shaft disposed within a central opening of the input gear, and a pair of clutch members disposed coaxial with the input gear. One of each clutch member is disposed on opposite sides of the cross-shaft. A first plurality of friction members extend from each clutch member. The differential unit also comprises a pair of side couplings, each coaxially disposed within one of the clutch members, and a second plurality of friction members extending from each side coupling. Each clutch member includes a cam surface that comes in contact with the cross-shaft when the differential unit is under normal operating conditions. Alternative embodiments are also described herein.
摘要翻译：提供了一种用于集成静液压传动（IHT）的改进的差速单元。差速单元包括输入齿轮，设置在输入齿轮的中心开口内的横轴和与输入齿轮同轴设置的一对离合器部件。每个离合器构件中的一个设置在横向轴的相对侧上。第一多个摩擦构件从每个离合器构件延伸。差速单元还包括一对侧联接器，每个侧联接器同轴地设置在一个离合器构件内，以及第二多个摩擦构件，其从每个侧面联接件延伸。每个离合器构件包括当差动单元处于正常操作条件时与横轴接触的凸轮表面。本文还描述了替代实施例。

10. 发明授权

US5782142A Axle driving apparatus 失效
标题翻译：车轴驱动装置
公开(公告)号：US5782142A
公开(公告)日：1998-07-21
申请号：US631258
申请日：1996-04-12
申请人： Robert Abend , Hiroaki Shimizu , Norihiro Ishii
发明人： Robert Abend , Hiroaki Shimizu , Norihiro Ishii
IPC分类号： F16H57/02 , F16H57/029 , F16H57/037
CPC分类号： F16H57/029 , F16H57/037 , F16H2057/02008 , F16H2057/02052 , F16H2057/02056 , F16H2057/02086 , Y10T74/2186 , Y10T74/2188
摘要： An axle driving apparatus having a shaft sealing device to provide for compact and flexible packaging. The shaft sealing device includes an oil seal and a seal carrier for supporting the oil seal. The shaft sealing device can be used to provide a reliable fluid-tight seal for the axles and other shafts, thereby allowing the axles and other shafts to be located in different planes, and offset from the plane of the casing junction surface. The shaft sealing device may alternatively be configured as an integral unit that includes a shaft support.
摘要翻译：一种具有轴密封装置的轴驱动装置，用于提供紧凑且柔性的包装。轴封装置包括油封和用于支撑油封的密封载体。轴密封装置可以用于为轴和其他轴提供可靠的流体密封，从而允许轴和其它轴位于不同的平面中，并且从壳体接合面的平面偏移。轴密封装置可替代地被构造为包括轴支撑件的整体单元。

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