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1. 发明授权

US06431043B1 Mobile machine tool, especially table saw 失效
标题翻译：移动机床，特别是台锯
公开(公告)号：US06431043B1
公开(公告)日：2002-08-13
申请号：US09700739
申请日：2000-11-20
申请人： Bernhard Niemann , Hermann Rugen
发明人： Bernhard Niemann , Hermann Rugen
IPC分类号： B27B2704
CPC分类号： B23D47/12 , Y10T83/773 , Y10T83/7805
摘要： A portable machine tool, especially a portable table saw, having an outer casing, an electric drive motor (2) arranged in the casing, and a connecting device (3) for connecting the drive motor to a power supply network having a low system frequency, and a tool (4), especially a circular saw blade, that is driven by the drive motor (2) in which the drive motor is a synchronous or asynchronous motor, the connecting device is a frequency converter (5) which converts the low system frequency of the power supply network to a high operating frequency, the drive motor operating at a high speed corresponding to that of the high operating frequency while the tool is driven at a lower speed suitable for machining purposes by being coupled to the drive motor via a speed-reducing gear train (6).
摘要翻译：一种便携式机床，特别是便携式台锯，具有外壳，布置在壳体中的电驱动马达（2）和用于将驱动马达连接到具有低系统频率的电源网络的连接装置（3），以及由所述驱动电动机（2）驱动的工具（4），特别是圆锯片，所述驱动电动机是所述驱动电动机是同步或异步电动机，所述连接装置是变频器（5）电源网络的系统频率达到高工作频率，驱动电动机在高速运行时对应于高运行频率，而刀具以适合于加工目的的较低速度驱动，通过耦合到驱动电机经由减速齿轮系（6）。

2. 发明授权

US07658501B2 Cutoff/milling device 失效
标题翻译：切断/铣削装置
公开(公告)号：US07658501B2
公开(公告)日：2010-02-09
申请号：US11337483
申请日：2006-01-24
申请人： Bernhard Niemann
发明人： Bernhard Niemann
IPC分类号： F21V33/00
CPC分类号： B23D59/003 , B23Q1/01 , B23Q1/626 , Y10S362/802 , Y10T83/828
摘要： A cutoff/milling device with a motor-driven cutoff/milling element, a work support surface or a guide surface, and a light projection device, the light projection device projecting a light beam onto a workpiece which is located on the work support surface or under the guide surface such that the light beam marks the cutting/milling position or cutting/milling path on the workpiece. The light projection device has a switch for activation of the light projection in response to mechanical vibration produced either by operating of the device or manual knocking on the cutoff/milling device.
摘要翻译：具有电动切断/铣削元件，工件支撑表面或导向表面的切割/铣削装置和光投射装置，所述光投射装置将光束投射到位于工件支撑表面上的工件上，或在引导表面下，使得光束标记工件上的切割/铣削位置或切割/铣削路径。光投射装置具有用于响应于通过操作设备或手动敲击切割/铣削装置产生的机械振动来激活光投射的开关。

3. 发明申请

US20060203469A1 Cutoff/milling device 失效
标题翻译：切断/铣削装置
公开(公告)号：US20060203469A1
公开(公告)日：2006-09-14
申请号：US11337483
申请日：2006-01-24
申请人： Bernhard Niemann
发明人： Bernhard Niemann
IPC分类号： F21V33/00
CPC分类号： B23D59/003 , B23Q1/01 , B23Q1/626 , Y10S362/802 , Y10T83/828
摘要： A cutoff/milling device with a motor-driven cutoff/milling element, a work support surface or a guide surface, and a light projection device, the light projection device projecting a light beam onto a workpiece which is located on the work support surface or under the guide surface such that the light beam marks the cutting/milling position or cutting/milling path on the workpiece. The light projection device has a switch for activation of the light projection in response to mechanical vibration produced either by operating of the device or manual knocking on the cutoff/milling device.
摘要翻译：具有电动切断/铣削元件，工件支撑表面或引导表面的切断/铣削装置和光投射装置，所述光投射装置将光束投射到位于工件支撑表面上的工件上，或在引导表面下，使得光束标记工件上的切割/铣削位置或切割/铣削路径。光投射装置具有用于响应于通过操作设备或手动敲击切割/铣削装置产生的机械振动来激活光投射的开关。

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