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公开(公告)号：US09593003B2
公开(公告)日：2017-03-14
申请号：US14267267
申请日：2014-05-01
CPC分类号： B66F9/07586 , B60B33/045 , B60G3/20 , B62B3/0612 , B62B5/00 , B62B2301/23 , B66F9/065
摘要： A wheel assembly for a material handling vehicle includes a chassis, a first caster wheel mounted to the chassis, a second caster wheel mounted to the chassis, a torsion bar coupling the first caster wheel to the second caster wheel, and a constant force mechanism coupled to at least one of the first caster wheel, the second caster wheel and the torsion bar. The first and second caster wheels are displaceable in at least one dimension, and the constant force mechanism imparts a substantially constant force opposing a displacement in the at least one dimension.
摘要翻译： 一种用于材料搬运车辆的车轮组件，包括底架，安装在底盘上的第一脚轮，安装在底盘上的第二脚轮，连接第二脚轮的扭杆和第二脚轮， 到第一脚轮，第二脚轮和扭杆中的至少一个。 第一和第二脚轮可以在至少一个维度上移动，并且恒力机构赋予与至少一个维度上的位移相反的基本恒定的力。
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公开(公告)号：US20160039649A1
公开(公告)日：2016-02-11
申请号：US14819513
申请日：2015-08-06
摘要： A lift truck can include a mast and a lift cylinder. The lift cylinder can include a piston rod and a cylinder housing. The lift truck also can include a piston rod retention mechanism that restricts movement of the lift cylinder in a direction lateral to an axial direction when the mast is in an extended position.
摘要翻译： 起重车可以包括桅杆和提升缸。 提升缸可以包括活塞杆和气缸壳体。 起重车还可以包括活塞杆保持机构，该活塞杆保持机构在桅杆处于伸展位置时限制提升缸在轴向方向上的移动方向。
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公开(公告)号：US20150274496A1
公开(公告)日：2015-10-01
申请号：US14267267
申请日：2014-05-01
CPC分类号： B66F9/07586 , B60B33/045 , B60G3/20 , B62B3/0612 , B62B5/00 , B62B2301/23 , B66F9/065
摘要： A wheel assembly for a material handling vehicle includes a chassis, a first caster wheel mounted to the chassis, a second caster wheel mounted to the chassis, a torsion bar coupling the first caster wheel to the second caster wheel, and a constant force mechanism coupled to at least one of the first caster wheel, the second caster wheel and the torsion bar. The first and second caster wheels are displaceable in at least one dimension, and the constant force mechanism imparts a substantially constant force opposing a displacement in the at least one dimension.
摘要翻译： 一种用于材料搬运车辆的车轮组件，包括底架，安装在底盘上的第一脚轮，安装在底盘上的第二脚轮，连接第二脚轮的扭杆和第二脚轮， 到第一脚轮，第二脚轮和扭杆中的至少一个。 第一和第二脚轮可以在至少一个维度上移动，并且恒力机构赋予与至少一个维度上的位移相反的基本恒定的力。
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公开(公告)号：US10315900B2
公开(公告)日：2019-06-11
申请号：US14242491
申请日：2014-04-01
IPC分类号： B60B33/00 , B60G11/14 , B60G11/18 , B60G3/20 , B66F9/065 , B66F9/075 , B60G3/02 , G08B21/18 , B60B33/04 , B62B5/00 , B62B3/06
摘要： A wheel assembly includes a constant force mechanism and a wheel coupled to the constant force mechanism. The wheel is displaceable in at least one dimension, and the constant force mechanism imparts a substantially constant force on the wheel in the dimension. In one aspect, the wheel is displaceable in a first regime and a second regime. For a wheel displacement in the first regime, the constant force mechanism imparts a substantially constant force on the wheel, and for a wheel displacement in the second regime, the constant force mechanism imparts a variable force on the wheel. The variable force can be linear or non-linear to the magnitude of the displacement in the second regime and is equal to or greater than the substantially constant force.
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公开(公告)号：US20150274495A1
公开(公告)日：2015-10-01
申请号：US14242491
申请日：2014-04-01
CPC分类号： B66F9/07586 , B60B33/045 , B60G3/02 , B62B3/0612 , B62B5/00 , B62B2301/23 , B66F9/065 , G08B21/18
摘要： A wheel assembly includes a constant force mechanism and a wheel coupled to the constant force mechanism. The wheel is displaceable in at least one dimension, and the constant force mechanism imparts a substantially constant force on the wheel in the dimension. In one aspect, the wheel is displaceable in a first regime and a second regime. For a wheel displacement in the first regime, the constant force mechanism imparts a substantially constant force on the wheel, and for a wheel displacement in the second regime, the constant force mechanism imparts a variable force on the wheel. The variable force can be linear or non-linear to the magnitude of the displacement in the second regime and is equal to or greater than the substantially constant force.
摘要翻译： 轮组件包括恒力机构和联接到恒力机构的轮。 轮可以在至少一个维度上移动，并且恒力机构在该尺寸上在轮上施加基本恒定的力。 在一个方面，轮可以在第一方式和第二方式中移动。 对于第一方式中的车轮位移，恒力机构在车轮上施加基本上恒定的力，并且对于在第二状态下的车轮位移，恒力机构在车轮上施加可变的力。 可变力可以与第二状态中的位移的大小线性或非线性，并且等于或大于基本恒定的力。
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6.发明申请System And Method For Dynamically Maintaining The Stability Of A Material Handling Vehicle Having A Vertical Lift 有权动态维护具有垂直提升的物料搬运车辆的稳定性的系统和方法公开(公告)号：US20100250073A1
公开(公告)日：2010-09-30
申请号：US12413131
申请日：2009-03-27
IPC分类号： G06F19/00
CPC分类号： B66F17/003 , B66F9/24
摘要： A system and method that maintains the dynamic stability of a material handling vehicle having a vertical lift. The method allows static vehicle properties, such as vehicle weight, wheelbase length, and wheel configuration, and dynamic operating parameters, such as vehicle velocity, floor grade, lift position, and load weight, to be accounted for when maintaining the dynamic stability of a moving material handling vehicle. The method may include calculating and predicting center-of-gravity parameters, wheel loads, and projected force vectors multiple times a second and adjusting vehicle operating parameters in response thereto to maintain vehicle stability.
摘要翻译： 一种保持具有垂直升降装置的物料搬运车辆的动态稳定性的系统和方法。 该方法允许静态车辆性能，例如车辆重量，轴距长度和车轮配置，以及动态运行参数，例如车辆速度，地面等级，升降位置和负载重量，以保持动态稳定性 移动物料搬运车。 该方法可以包括每秒多次计算和预测重心参数，车轮负载和预计力矢量，并响应于此调整车辆操作参数以保持车辆的稳定性。
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7.发明授权System and method for dynamically maintaining the stability of a material handling vehicle having a vertical lift 有权用于动态地保持具有垂直升降机的物料搬运车辆的稳定性的系统和方法公开(公告)号：US08140228B2
公开(公告)日：2012-03-20
申请号：US12413131
申请日：2009-03-27
IPC分类号： G06F7/70 , B60G17/005
CPC分类号： B66F17/003 , B66F9/24
摘要： A system and method that maintains the dynamic stability of a material handling vehicle having a vertical lift. The method allows static vehicle properties, such as vehicle weight, wheelbase length, and wheel configuration, and dynamic operating parameters, such as vehicle velocity, floor grade, lift position, and load weight, to be accounted for when maintaining the dynamic stability of a moving material handling vehicle. The method may include calculating and predicting center-of-gravity parameters, wheel loads, and projected force vectors multiple times a second and adjusting vehicle operating parameters in response thereto to maintain vehicle stability.
摘要翻译： 一种保持具有垂直升降装置的物料搬运车辆的动态稳定性的系统和方法。 该方法允许静态车辆性能，例如车辆重量，轴距长度和车轮配置，以及动态运行参数，例如车辆速度，地面等级，升降位置和负载重量，以保持动态稳定性 移动物料搬运车。 该方法可以包括每秒多次计算和预测重心参数，车轮负载和预计力矢量，并响应于此调整车辆操作参数以保持车辆的稳定性。
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