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    Multi-stage trolley for a crane and a crane therewith
    2.
    发明授权
    Multi-stage trolley for a crane and a crane therewith 有权
    起重机和起重机的多级手推车

    公开(公告)号：US08708172B2

    公开(公告)日：2014-04-29

    申请号：US12969775

    申请日：2010-12-16

    申请人： Kyung-Soo Kim ,  Hanjong Ju ,  Soo Hyun Kim ,  In Gwun Jang ,  Yunsub Jung ,  Eun Ho Kim ,  Youn Sik Park ,  Byung Man Kwak

    发明人： Kyung-Soo Kim ,  Hanjong Ju ,  Soo Hyun Kim ,  In Gwun Jang ,  Yunsub Jung ,  Eun Ho Kim ,  Youn Sik Park ,  Byung Man Kwak

    IPC分类号： B66C19/00

    CPC分类号： B66C19/002

    摘要： A crane for loading and unloading a cargo includes multi-stage trolley. The multi-stage trolley for a crane includes a first trolley movable in a longitudinal direction along a boom of the crane; a second trolley movable in a lateral direction on the first trolley; a hoisting wire provided in the longitudinal direction along the boom; a spreader connected to the hoisting wire through the first trolley and the second trolley and supported by the hoisting wire, the spreader being movable in a vertical direction according to a movement of the hoisting wire. The multi-stage trolley further includes a sheave block unit for changing a direction of the hoisting wire to maintain a vertical level of the spreader constant when the first trolley and/or the second trolley is moved.

    摘要翻译： 装载货物的起重机包括多级手推车。 起重机的多级手推车包括沿起重机的起重臂沿长度方向移动的第一台车; 在第一台车上沿横向移动的第二台车; 沿着所述起重臂沿长度方向设置的起吊线; 通过第一手推车和第二手推车连接到起吊线并由提升线支撑的吊具，吊具可根据吊装线的移动在垂直方向上移动。 多级手推车还包括滑轮组件单元，用于当第一手推车和/或第二手推车移动时，改变吊装线的方向以保持吊具的垂直水平恒定。

    MULTI-STAGE TROLLEY FOR A CRANE AND A CRANE THEREWITH
    3.
    发明申请
    MULTI-STAGE TROLLEY FOR A CRANE AND A CRANE THEREWITH 有权
    起重机和起重机的多级拉杆

    公开(公告)号：US20110247991A1

    公开(公告)日：2011-10-13

    申请号：US12969775

    申请日：2010-12-16

    申请人： Kyung-Soo KIM ,  Hanjong Ju ,  Soo Hyun Kim ,  In Gwun Jang ,  Yunsub Jung ,  Eun Ho Kim ,  Youn Sik Park ,  Byung Man Kwak

    发明人： Kyung-Soo KIM ,  Hanjong Ju ,  Soo Hyun Kim ,  In Gwun Jang ,  Yunsub Jung ,  Eun Ho Kim ,  Youn Sik Park ,  Byung Man Kwak

    IPC分类号： B66C11/20

    CPC分类号： B66C19/002

    摘要： A crane for loading and unloading a cargo includes multi-stage trolley. The multi-stage trolley for a crane includes a first trolley movable in a longitudinal direction along a boom of the crane; a second trolley movable in a lateral direction on the first trolley; a hoisting wire provided in the longitudinal direction along the boom; spreader connected to the hoisting wire through the first trolley and the second trolley and supported by the hoisting wire, the spreader being movable in a vertical direction according to a movement of the hoisting wire. The multi-stage trolley further includes a sheave block unit for changing a direction of the hoisting wire to maintain a vertical level of the spreader constant when the first trolley and/or the second trolley is moved.

    摘要翻译： 装载货物的起重机包括多级手推车。 起重机的多级手推车包括沿起重机的起重臂沿长度方向移动的第一台车; 在第一台车上沿横向移动的第二台车; 沿着所述起重臂沿长度方向设置的起吊线; 吊具通过第一手推车和第二手推车连接到提升线上并由提升线支撑，吊具可根据吊装线的移动在垂直方向上移动。 多级手推车还包括滑轮组件单元，用于当第一手推车和/或第二手推车移动时，改变吊装线的方向以保持吊具的垂直水平恒定。

    TROLLEY ASSEMBLY FOR A CRANE AND A CRANE THEREWITH
    4.
    发明申请
    TROLLEY ASSEMBLY FOR A CRANE AND A CRANE THEREWITH 审中-公开
    起重机和起重机的拉杆总成

    公开(公告)号：US20110272376A1

    公开(公告)日：2011-11-10

    申请号：US12968313

    申请日：2010-12-15

    申请人： Yunsub JUNG ,  In Gwun Jang ,  Eun Ho Kim ,  Hanjong Ju ,  Kyung-Soo Kim ,  Kyung Il Kim ,  Byung Man Kwak

    发明人： Yunsub JUNG ,  In Gwun Jang ,  Eun Ho Kim ,  Hanjong Ju ,  Kyung-Soo Kim ,  Kyung Il Kim ,  Byung Man Kwak

    IPC分类号： B66C13/18 ,  B66C13/22

    CPC分类号： B66C13/46 ,  B66C11/08 ,  B66C13/063

    摘要： A crane for loading and unloading a cargo includes a trolley assembly. The trolley assembly includes a first trolley movable in a longitudinal direction along a boom of the crane; a second trolley movable in a lateral direction on the first trolley; a hoist provided on the second trolley; a spreader movable in a vertical direction by the hoist; a light emitting unit provided on the spreader; and a smart camera for capturing an image of the light emitting unit to measure a movement of the spreader. A movement of the hoist is controlled by a location control unit based on the measured movement of the spreader.

    摘要翻译： 用于装载和卸载货物的起重机包括手推车组件。 台车组件包括沿起重机的起重臂沿纵向方向移动的第一台车; 在第一台车上沿横向移动的第二台车; 在第二台手推车上提供起重机; 吊具可在垂直方向上移动的吊具; 设置在所述扩展器上的发光单元; 以及用于捕获发光单元的图像以测量扩展器的运动的智能相机。 起重机的运动由位置控制单元基于测量的吊具的运动来控制。

    VIBRATION GENERATOR USING PHASE DIFFERENCE FOR AMPLITUDE CONTROL AND METHOD THEREOF
    5.
    发明申请
    VIBRATION GENERATOR USING PHASE DIFFERENCE FOR AMPLITUDE CONTROL AND METHOD THEREOF 审中-公开

    公开(公告)号：US20180161818A1

    公开(公告)日：2018-06-14

    申请号：US15106297

    申请日：2015-01-29

    申请人： Byung Man Kwak ,  Joon Young Kwak ,  Kyung Woon Kwak

    发明人： Byung Man Kwak ,  Joon Young Kwak ,  Kyung Woon Kwak

    IPC分类号： B06B1/16 ,  F16F15/20 ,  G05D19/02 ,  H02K7/06 ,  H02K7/065

    CPC分类号： B06B1/166 ,  F16F15/20 ,  G05D19/02 ,  H02K7/061 ,  H02K7/065

    摘要： Most vibration generators that use rotating eccentric masses of prior arts have disadvantages in controlling vibration magnitude such as stopping equipment, adjusting intermittently, or limitation on control range. In the present invention to continuously change the direction of a generated vibration force or its magnitude, the principle of synthesizing simple harmonic motions by phase shifting is used and two methods, called a mechanical phase shifting and a motor speed controlled phase shifting, are provided. A mechanical phase shifting device includes an angle adjusting plate to change the phases of two eccentric mass rotators and two pairs of gears and links for a reverse rotation of eccentric masses. A motor speed controlled phase shifting is enabled by acceleration and deceleration of a motor. A moment generator comprises two sets of eccentric mass vibrators connected by extending shafts between them and can be used for industry shakers, stabilizer's for floating bodies, and so on.