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    • 4. 发明授权
    • Electric vehicle and method of controlling the same
    • 电动车及其控制方法
    • US08706332B2
    • 2014-04-22
    • US13146097
    • 2010-05-27
    • Yohei KumeHideo KawakamiTohru Nakamura
    • Yohei KumeHideo KawakamiTohru Nakamura
    • B60L9/00B60W20/00
    • B60W20/00A61G5/04A61G5/048A61G2203/14B60L2200/24B62B3/001B62B3/14B62B5/0043B62B5/0069B62B5/0073B62B5/0404B62B2301/06G01S17/936Y02T10/7258
    • The present invention has an object of providing an electric vehicle which makes an assisting movement based on an operation by an operator without making a movement when an operator is not operating the electric vehicle or a movement which widely differs from a movement intended by the operator in direction or distance, and a method of controlling the electric vehicle. The electric vehicle (1) includes an operating force measurement unit (4) which measures an operating force applied by an operator (13) to the electric vehicle (1), an obstacle measurement unit (8) which measures a distance and a direction from the electric vehicle (1) to an obstacle, a virtual repulsive force calculation unit (9) which calculates a virtual repulsive force having a magnitude inversely proportional to a magnitude of the distance measured by the obstacle measurement unit (8) and a direction opposite to the direction to the obstacle, and an assisting force calculation unit (10) which calculates an assisting force for moving the electric vehicle (1) based on a resultant force of the operating force and the virtual repulsive force. The assisting force calculation unit (10) has an upper limit X to a magnitude of the calculated assisting force, and sets the upper limit X based on a magnitude of the operating force and an angle between a direction of the operating force and a direction of the resultant force.
    • 本发明的目的是提供一种电动车辆,其在操作者不操作电动车辆时基于操作者的操作而进行辅助运动,或者运动与运动员期望的运动广泛不同的运动 方向或距离,以及控制电动车辆的方法。 电动车辆(1)包括测量操作者(13)施加到电动车辆(1)的操作力的操作力测量单元(4),测量距离电动车辆(1)的距离和方向的障碍物测量单元 电动车辆(1)到障碍物,虚拟排斥力计算单元(9),其计算具有与由障碍物测量单元(8)测量的距离的大小成反比的大小的虚拟排斥力和与 向障碍物的方向,以及辅助力计算单元,其基于操作力和虚拟排斥力的合力计算用于使电动车辆(1)移动的辅助力。 辅助力计算单元(10)具有与所计算的辅助力的大小的上限X,并且基于操作力的大小和操作力的方向与操作力的方向之间的角度来设定上限X 合力。
    • 6. 发明授权
    • Bed and wheelchair
    • 床和轮椅
    • US08677523B2
    • 2014-03-25
    • US13394408
    • 2011-06-20
    • Shohei TsukadaYohei KumeHideo KawakamiTohru NakamuraToshihide Ueda
    • Shohei TsukadaYohei KumeHideo KawakamiTohru NakamuraToshihide Ueda
    • A61G7/10
    • A61G5/006A61G7/015A61G7/165
    • A wheelchair includes a seating bottom portion, a chair back bottom support member supporting a chair back bottom member, and a chair knee bottom support member supporting a chair knee bottom member. A chair leg first bottom support member is bendably coupled to the chair knee bottom support member. The chair leg first bottom support member supports a chair leg first bottom member, a chair leg second bottom support member is bendably coupled to the chair leg first bottom support member, and the chair leg second bottom support member supports a chair leg second bottom member. A chair base portion bendably couples the chair back bottom support member and the chair knee bottom support member and supports a chair waist bottom member, a first link portion coupling the chair back bottom support member and the chair knee bottom support member, and a second link portion coupling the chair back bottom support member and the chair leg first bottom support member to each other. The wheelchair forms a bed capable of being changed to a knee lifting posture when being combined with a bed main body portion.
    • 轮椅包括座椅底部部分,支撑椅子后部底部部件的椅子后部底部支撑部件和支撑椅子膝部底部部件的椅子膝部底部支撑部件。 椅腿第一底部支撑构件可弯曲地联接到椅子膝盖底部支撑构件。 椅腿第一底部支撑构件支撑椅腿第一底部构件,椅腿第二底部支撑构件可弯曲地联接到椅腿第一底部支撑构件,并且椅腿第二底部支撑构件支撑椅腿第二底部构件。 椅子基部可弯曲地连接椅子背部底部支撑构件和椅子膝部底部支撑构件并支撑椅子腰部底部构件,联接椅子后部底部支撑构件和椅子膝盖底部支撑构件的第一连杆部分和第二连杆 将椅子后底部支撑构件和椅腿第一底部支撑构件彼此连接的部分。 当与床主体部分组合时,轮椅形成能够变为膝盖提升姿势的床。
    • 10. 发明授权
    • Joint mechanism and joint device
    • 接头机构和接头装置
    • US08141925B2
    • 2012-03-27
    • US12517710
    • 2007-12-07
    • Osamu MizunoAkinobu OkudaTohru Nakamura
    • Osamu MizunoAkinobu OkudaTohru Nakamura
    • B66C1/00
    • B25J15/0009B25J9/102F16H1/16Y10T74/19637Y10T74/19828Y10T74/20317Y10T74/20329
    • The joint mechanism includes a first link, a second link, a third link, a shaft supported on the second link to be rotatable about an axis thereof, and movable in an axis direction thereof, a first worm and a second worm mounted on the shaft, a first worm wheel in mesh with the first worm to pivotally move the first link with respect to the second link, and a second worm wheel in mesh with the second worm to pivotally move the third link with respect to the second link. The first link and the third link are pivotally moved in opposite directions to each other by rotating the shaft, and pivotally moved in identical directions to each other by moving the shaft in the axis direction.
    • 所述关节机构包括:第一连杆,第二连杆,第三连杆,支撑在所述第二连杆上的轴,以绕其轴线旋转并且可沿其轴线方向移动;第一蜗杆和安装在所述轴上的第二蜗杆 与所述第一蜗杆啮合的第一蜗轮,以相对于所述第二连杆枢转地移动所述第一连杆;以及与所述第二蜗杆啮合的第二蜗轮,以相对于所述第二连杆枢转地移动所述第三连杆。 第一连杆和第三连杆通过旋转轴而以相反的方向枢转运动,并且通过沿着轴线方向移动轴而以相同的方向彼此枢转地运动。