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公开(公告)号：US20120285753A1
公开(公告)日：2012-11-15
申请号：US13556696
申请日：2012-07-24
摘要： An all-wheel steering system and vehicle, e.g., riding lawn mower, incorporating the same. The system may include a linkage system that operatively connects the vehicle wheels for simultaneous turning. The system, in one embodiment, includes a power steering unit having fixed or variable output for a given steering input. The system may further include a mechanism for reducing speed based upon mower steering angle.
摘要翻译： 全轮转向系统和车辆，例如骑马割草机，并入其中。 该系统可以包括可操作地连接车轮以便同时转动的联动系统。 在一个实施例中，该系统包括具有用于给定转向输入的固定或可变输出的动力转向单元。 该系统还可以包括用于基于割草机转向角降低速度的机构。
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公开(公告)号：US07918305B2
公开(公告)日：2011-04-05
申请号：US12025125
申请日：2008-02-04
IPC分类号： B62D5/06
摘要： An all-wheel steering system and vehicle, e.g., riding lawn mower, incorporating the same. The system may include a linkage system that operatively connects the vehicle wheels for simultaneous turning. The system, in one embodiment, includes a power steering unit having fixed or variable output for a given steering input. The system may further include a mechanism for reducing speed based upon mower steering angle.
摘要翻译： 全轮转向系统和车辆，例如骑马割草机，并入其中。 该系统可以包括可操作地连接车轮以便同时转动的联动系统。 在一个实施例中，该系统包括具有用于给定转向输入的固定或可变输出的动力转向单元。 该系统还可以包括用于基于割草机转向角降低速度的机构。
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3.发明授权Mower with cushioned suspension for operator support platform having stowed and deployed positions 有权具有缓冲悬挂的割草机，用于操作员支撑平台，其具有收起和部署位置公开(公告)号：US08561382B2
公开(公告)日：2013-10-22
申请号：US12002798
申请日：2007-12-18
IPC分类号： A01D34/00
摘要： A stand-on riding mower has a support platform at the rear thereof for supporting an operator who stands during operation of the mower. The support platform is pivotally connected to the traction frame of the mower by a suspension that includes pivotal support plates at each side of the platform. At least one spring is arranged to push against the pivotal support plates in a direction causing the platform to rise such that the weight of the operator atop the platform causes the platform to lower until increasing biasing force in the spring balances the operator's weight. The spring ensures that impact shocks and the like on the traction frame of the mower are cushioned before reaching the operator's platform. In addition, the operator's platform is pivotal relative to the support plates to allow the operator's platform to be disposed in both a vertical stowed position and a horizontal deployed position.
摘要翻译： 立式割草机在其后部具有支撑平台，用于支撑在割草机操作期间站立的操作者。 支撑平台通过在平台的每一侧包括枢转支撑板的悬架枢转地连接到割草机的牵引框架。 至少一个弹簧被布置成沿着使平台升高的方向推动枢转支撑板，使得平台顶部的操作者的重量使得平台下降，直到弹簧中的增加的偏压力平衡操作者的重量。 该弹簧确保在到达操作者的平台之前缓冲在割草机的牵引架上的撞击冲击等。 此外，操作者的平台相对于支撑板是枢转的，以允许操作者的平台被放置在垂直收起位置和水平展开位置。
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4.发明申请Mower with cushioned suspension for operator support platform having stowed and deployed positions 有权具有缓冲悬挂的割草机，用于操作员支撑平台，其具有收起和部署位置公开(公告)号：US20080196374A1
公开(公告)日：2008-08-21
申请号：US12002798
申请日：2007-12-18
IPC分类号： A01D34/64
摘要： A stand-on riding mower has a support platform at the rear thereof for supporting an operator who stands during operation of the mower. The support platform is pivotally connected to the traction frame of the mower by a suspension that includes pivotal support plates at each side of the platform. At least one spring is arranged to push against the pivotal support plates in a direction causing the platform to rise such that the weight of the operator atop the platform causes the platform to lower until increasing biasing force in the spring balances the operator's weight. The spring ensures that impact shocks and the like on the traction frame of the mower are cushioned before reaching the operator's platform. In addition, the operator's platform is pivotal relative to the support plates to allow the operator's platform to be disposed in both a vertical stowed position and a horizontal deployed position.
摘要翻译： 立式割草机在其后部具有支撑平台，用于支撑在割草机操作期间站立的操作者。 支撑平台通过在平台的每一侧包括枢转支撑板的悬架枢转地连接到割草机的牵引框架。 至少一个弹簧被布置成沿着使平台升高的方向推动枢转支撑板，使得平台顶部的操作者的重量使得平台下降，直到弹簧中的增加的偏压力平衡操作者的重量。 该弹簧确保在到达操作者的平台之前缓冲在割草机的牵引架上的撞击冲击等。 此外，操作者的平台相对于支撑板是枢转的，以允许操作者的平台被放置在垂直收起位置和水平展开位置。
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5.发明申请MOWER WITH CUSHIONED SUSPENSION FOR OPERATOR SUPPORT PLATFORM HAVING STOWED AND DEPLOYED POSITIONS 审中-公开具有缓冲悬挂功能的操作者支持平台具有已分配和部署的位置公开(公告)号：US20090302562A1
公开(公告)日：2009-12-10
申请号：US12467029
申请日：2009-05-15
IPC分类号： A01D75/00
摘要： A stand-on riding mower has a support platform at the rear thereof for supporting an operator who stands during operation of the mower. The support platform is pivotally connected to the traction frame of the mower by a suspension that includes pivotal support plates at each side of the platform. At least one spring is arranged to push against the pivotal support plates in a direction causing the platform to rise such that the weight of the operator atop the platform causes the platform to lower until increasing biasing force in the spring balances the operator's weight. The spring ensures that impact shocks and the like on the traction frame of the mower are cushioned before reaching the operator's platform. In addition, the operator's platform is pivotal relative to the support plates to allow the operator's platform to be disposed in both a vertical stowed position and a horizontal deployed position.
摘要翻译： 立式割草机在其后部具有支撑平台，用于支撑在割草机操作期间站立的操作者。 支撑平台通过在平台的每一侧包括枢转支撑板的悬架枢转地连接到割草机的牵引框架。 至少一个弹簧被布置成沿着使平台升高的方向推动枢转支撑板，使得平台顶部的操作者的重量使得平台下降，直到弹簧中的增加的偏压力平衡操作者的重量。 该弹簧确保在到达操作者的平台之前缓冲在割草机的牵引架上的撞击冲击等。 此外，操作者的平台相对于支撑板是枢转的，以允许操作者的平台被放置在垂直收起位置和水平展开位置。
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公开(公告)号：US20080184687A1
公开(公告)日：2008-08-07
申请号：US12025125
申请日：2008-02-04
摘要： An all-wheel steering system and vehicle, e.g., riding lawn mower, incorporating the same. The system may include a linkage system that operatively connects the vehicle wheels for simultaneous turning. The system, in one embodiment, includes a power steering unit having fixed or variable output for a given steering input. The system may further include a mechanism for reducing speed based upon mower steering angle.
摘要翻译： 全轮转向系统和车辆，例如骑马割草机，并入其中。 该系统可以包括可操作地连接车轮以便同时转动的联动系统。 在一个实施例中，该系统包括具有用于给定转向输入的固定或可变输出的动力转向单元。 该系统还可以包括用于基于割草机转向角降低速度的机构。
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7.发明授权Outdoor power equipment unit with condition responsive electronic control of traction drive system 有权户外电力设备单元，具有响应电动牵引驱动系统的控制公开(公告)号：US08880300B2
公开(公告)日：2014-11-04
申请号：US13607682
申请日：2012-09-08
CPC分类号： A01D34/006 , A01D34/66 , A01D34/80 , A01D69/005 , F16H61/431 , F16H61/475 , F16H2059/6838
摘要： An outdoor power equipment unit comprises a self-propelled mower having a hydraulic traction drive system. When engine load exceeds a predetermined percentage of full load, a controller automatically reduces the stroke of a variable displacement pump in the traction drive system to reduce the ground speed of the mower without the operator having to change the position of the traction pedal. This reduces engine load to enhance continued good cutting performance. At any time, the controller can take the same actions to reduce ground speed if an excessively high temperature in a fluid used in a cooling system on the mower is detected, or if excessive loads on the mower decks of the mower are detected, or both.
摘要翻译： 室外动力设备单元包括具有液压牵引驱动系统的自推式割草机。 当发动机负载超过满负荷的预定百分比时，控制器自动减小牵引驱动系统中的可变排量泵的行程，以降低割草机的地面速度，而不需要改变牵引踏板的位置。 这样可以减少发动机的负荷，从而提高持续良好的切削性能。 在任何时候，如果检测到在割草机上的冷却系统中使用的流体中的过高的温度，或者如果检测到割草机的割草机甲板上的过多负载，则控制器可以采取相同的动作来降低地面速度 。
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8.发明申请OUTDOOR POWER EQUIPMENT UNIT WITH CONDITION RESPONSIVE ELECTRONIC CONTROL OF TRACTION DRIVE SYSTEM 有权户外动力设备单元，具有响应式电子控制牵引驱动系统公开(公告)号：US20140069072A1
公开(公告)日：2014-03-13
申请号：US13607682
申请日：2012-09-08
CPC分类号： A01D34/006 , A01D34/66 , A01D34/80 , A01D69/005 , F16H61/431 , F16H61/475 , F16H2059/6838
摘要： An outdoor power equipment unit comprises a self-propelled mower having a hydraulic traction drive system. When engine load exceeds a predetermined percentage of full load, a controller automatically reduces the stroke of a variable displacement pump in the traction drive system to reduce the ground speed of the mower without the operator having to change the position of the traction pedal. This reduces engine load to enhance continued good cutting performance. At any time, the controller can take the same actions to reduce ground speed if an excessively high temperature in a fluid used in a cooling system on the mower is detected, or if excessive loads on the mower decks of the mower are detected, or both.
摘要翻译： 室外动力设备单元包括具有液压牵引驱动系统的自推式割草机。 当发动机负载超过满负荷的预定百分比时，控制器自动减小牵引驱动系统中的可变排量泵的行程，以降低割草机的地面速度，而不需要改变牵引踏板的位置。 这样可以减少发动机的负荷，从而提高持续良好的切削性能。 在任何时候，如果检测到在割草机上的冷却系统中使用的流体中的过高的温度，或者如果检测到割草机的割草机甲板上的过多负载，则控制器可以采取相同的动作来降低地面速度 。
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