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1. 发明申请

US20110268504A1 Low-Emission Propane-Driven Power Trowel 审中-公开
标题翻译：低排放丙烷驱动力量T刀
公开(公告)号：US20110268504A1
公开(公告)日：2011-11-03
申请号：US13096717
申请日：2011-04-28
申请人： John G. Marx , Jonathan P. Lobert , Todd M. Gehring
发明人： John G. Marx , Jonathan P. Lobert , Todd M. Gehring
IPC分类号： E01C19/22
CPC分类号： E04F21/248
摘要： A power trowel for treating a concrete surface includes a support frame configured to be moved on the concrete surface. A propane supply vessel is supported by the support frame and is configured to contain propane. The propane supply vessel is positioned to reduce obstructions to the operator's view of the concrete surface. An internal combustion engine is supported by the support frame and is in fluid communication with the propane supply vessel to receive propane therefrom to power the internal combustion engine. One or more rotatable shafts are driven by the internal combustion engine, and one or more trowel blades connect to the one or more rotatable shafts so as to rotate therewith.
摘要翻译：用于处理混凝土表面的动力t刀包括构造成在混凝土表面上移动的支撑框架。丙烷供应容器由支撑框架支撑并且构造成容纳丙烷。丙烷供应容器被定位成减少对操作者对混凝土表面的看法的障碍。内燃机由支撑框架支撑并与丙烷供应容器流体连通以从其中接收丙烷以为内燃机供电。一个或多个可旋转轴由内燃机驱动，并且一个或多个t刀连接到一个或多个可旋转轴以便随之旋转。

2. 发明授权

US07492125B2 Power tools, battery chargers and batteries 有权
标题翻译：电动工具，电池充电器和电池
公开(公告)号：US07492125B2
公开(公告)日：2009-02-17
申请号：US11267937
申请日：2005-11-04
申请人： David P. Serdynski , Boyd J. Miller , Scott D. Bublitz , Troy C. Thorson , Thomas R. Bednar , David B. Griep , Nancy Uehlein-Proctor , Dennis J. Grzybowski , Jeffrey S. Holly , Jeffrey C. Hessenberger , Mark A. Kubale , Todd W. Johnson , Jonathan P. Lobert , Jay J. Rosenbecker
发明人： David P. Serdynski , Boyd J. Miller , Scott D. Bublitz , Troy C. Thorson , Thomas R. Bednar , David B. Griep , Nancy Uehlein-Proctor , Dennis J. Grzybowski , Jeffrey S. Holly , Jeffrey C. Hessenberger , Mark A. Kubale , Todd W. Johnson , Jonathan P. Lobert , Jay J. Rosenbecker
IPC分类号： H02J7/00
CPC分类号： B25F1/00 , H01M2/1022 , H01M2/34
摘要： A battery pack for powering a cordless power tool. The battery pack includes at least one battery cell operable to supply a discharge current, a switch operable to control the discharge current and a protection device to protect the switch. The protection device is positioned such that the device absorbs a current traveling in a direction opposite to that of the discharge current supplied from the battery cell.
摘要翻译：用于为无绳电动工具供电的电池组。电池组包括至少一个可操作以提供放电电流的电池单元，可操作以控制放电电流的开关和用于保护开关的保护装置。保护装置被定位成使得该装置吸收沿与从电池单元供应的放电电流相反的方向行进的电流。

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