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1. 发明公开

EP2412488A1 Power Tool 有权
标题翻译： Kraftbetriebenes Werkzeug
公开(公告)号：EP2412488A1
公开(公告)日：2012-02-01
申请号：EP11186988.9
申请日：2003-01-17
申请人： HITACHI KOKI CO., LTD.
发明人： Oomori, Katsuhiro , Yoshimizu, Chikai , Harada, Hidekazu , Takano, Nobuhiro
IPC分类号： B25F5/00 , B25B23/18
CPC分类号： B25B23/18 , B25F5/021 , Y10T408/21 , Y10T408/96
摘要： A power tool has a light unit (20) provided at the bottom part of the handle grip (10C). The light unit can be adjusted to change the lighting angle and can hold the desired lighting angle. The light unit thus disposed does not get in the way, the lighting angle of the light unit is variable and the emitted light does not shake, depletion of the power supply due to the light switch of the light unit being left on is prevented, shadows of the end tool are not easily produced by light from the light unit, lighting contrast is high, wiring failures and continuity faults in the light-emitting element do not occur easily, and a small, economical power tool can be provided. The light-emitting element (23) of the light unit (20) is a yellow LED. The light unit (23) turns off automatically at a predetermined time after the light turns on.
摘要翻译：电动工具具有设置在把手（10C）的底部的灯单元（20）。可以调整灯光单元以改变照明角度并且可以保持所需的照明角度。这样设置的灯单元不会妨碍光单元的照明角度是可变的，并且发射的光不会发生抖动，因此防止了灯单元的光开关导致的电源的耗尽，阴影末端工具不容易由来自光单元的光产生，照明对比度高，发光元件中的接线故障和连续故障不容易发生，并且可以提供小型经济的电动工具。光单元（20）的发光元件（23）是黄色LED。光单元（23）在光接通之后的预定时间自动关闭。

2. 发明授权

EP2412488B1 Power Tool 有权
标题翻译： Kraftbetriebenes Werkzeug
公开(公告)号：EP2412488B1
公开(公告)日：2017-03-15
申请号：EP11186988.9
申请日：2003-01-17
申请人： HITACHI KOKI CO., LTD.
发明人： Oomori, Katsuhiro , Yoshimizu, Chikai , Harada, Hidekazu , Takano, Nobuhiro
IPC分类号： B25F5/02 , B25B23/18
CPC分类号： B25B23/18 , B25F5/021 , Y10T408/21 , Y10T408/96

3. 发明公开

EP2511049A1 Power tool 审中-公开
标题翻译：电动工具
公开(公告)号：EP2511049A1
公开(公告)日：2012-10-17
申请号：EP12175676.1
申请日：2003-01-17
申请人： HITACHI KOKI CO., LTD.
发明人： Oomori, Katsuhiro , Yoshimizu, Chikai , Harada, Hidekazu , Takano, Nobuhiro
IPC分类号： B25B23/18 , B25F5/02
CPC分类号： B25B23/18 , B25F5/021 , Y10T408/21 , Y10T408/96
摘要： A power tool has a light unit (20) provided at the bottom part of the handle grip (10C). The light unit can be adjusted to change the lighting angle and can hold the desired lighting angle. The light unit thus disposed does not get in the way, the lighting angle of the light unit is variable and the emitted light does not shake, depletion of the power supply due to the light switch of the light unit being left on is prevented, shadows of the end tool are not easily produced by light from the light unit, lighting contrast is high, wiring failures and continuity faults in the light-emitting element do not occur easily, and a small, economical power tool can be provided. The light-emitting element (23) of the light unit (20) is a yellow LED. The light unit (23) turns off automatically at a predetermined time after the light turns on.
摘要翻译：电动工具具有设置在把手（10C）的底部的灯单元（20）。照明单元可以调整以改变照明角度，并可以保持所需的照明角度。因此设置在方式没有得到光单元，该光单元的照明角度是可变的，并且所发射的光不会摇晃，电源的消耗由于光单元被留在的光开关被防止，阴影端部工具的不容易被从光单元的光而产生，照明对比度高，布线故障和连续性故障在发光元件不容易产生，并且可以提供一种小型，经济的动力工具。发光单元（20）的发光元件（23）是黄色LED。灯单元（23）在灯开启后的预定时间自动关闭。

4. 发明公开

EP1903657A2 Adaptor, assembly of battery pack and adaptor, and electric tool with the same 审中-公开
标题翻译：适配器，Anordnung aus Batteriesatz und Adapter und Elektrowerkzeug damit
公开(公告)号：EP1903657A2
公开(公告)日：2008-03-26
申请号：EP07018413.0
申请日：2007-09-19
申请人： HITACHI KOKI CO., LTD.
发明人： Takano, Nobuhiro , Kawano, Yoshikazu , Funabashi, Kazuhiko , Konuma, Yuuichi , Niyada, Masateru , Yoshimizu, Chikai , Nakayama, Eiji , Ishimaru, Kenro
IPC分类号： H02J7/00
CPC分类号： B25F5/02 , H01M2/1022 , H01M2/34 , H01M6/42 , H01M10/48
摘要： When a battery pack having an output voltage of 14.4 V that is connectable to an electric tool in a sliding manner is used as a power supply source for the electric tool that is connectable to a battery pack in an insertion manner and has a rated voltage of 12 V, the electric tool and the battery pack are connected to each other with an adaptor interposed therebetween. The adaptor has an FET that is switched at a predetermined duty of a predetermined frequency. The battery pack and the electric tool are connected or disconnected to or from each other by the switching operation, thereby dropping the output voltage of the battery pack. The voltage from the battery pack is detected. When the detected voltage is out of a predetermined value range, it is judged that the overcurrent or overdischarge has occurred. Then, the FET is turned off to stop the electric tool.
摘要翻译：当以滑动方式连接到电动工具的输出电压为14.4V的电池组用作用于以插入方式连接到电池组的电动工具的电源，并且具有额定电压 12V，电动工具和电池组通过插入其间的适配器彼此连接。适配器具有以预定频率的预定占空比切换的FET。电池组和电动工具通过开关操作彼此连接或断开，从而降低电池组的输出电压。检测到电池组的电压。当检测到的电压超出预定值范围时，判断为发生过电流或过放电。然后，关闭FET以停止电动工具。

5. 发明公开

EP1903657A3 Adaptor, assembly of battery pack and adaptor, and electric tool with the same 审中-公开
标题翻译：适配器，电池组和适配器的组装，以及电动工具的使用
公开(公告)号：EP1903657A3
公开(公告)日：2018-01-03
申请号：EP07018413.0
申请日：2007-09-19
申请人： HITACHI KOKI CO., LTD.
发明人： Takano, Nobuhiro , Kawano, Yoshikazu , Funabashi, Kazuhiko , Konuma, Yuuichi , Niyada, Masateru , Yoshimizu, Chikai , Nakayama, Eiji , Ishimaru, Kenro
IPC分类号： B25F5/02 , H01M2/34 , H01M10/48 , H01M2/10 , H01M6/42
CPC分类号： B25F5/02 , H01M2/1022 , H01M2/34 , H01M6/42 , H01M10/48
摘要： When a battery pack having an output voltage of 14.4 V that is connectable to an electric tool in a sliding manner is used as a power supply source for the electric tool that is connectable to a battery pack in an insertion manner and has a rated voltage of 12 V, the electric tool and the battery pack are connected to each other with an adaptor interposed therebetween. The adaptor has an FET that is switched at a predetermined duty of a predetermined frequency. The battery pack and the electric tool are connected or disconnected to or from each other by the switching operation, thereby dropping the output voltage of the battery pack. The voltage from the battery pack is detected. When the detected voltage is out of a predetermined value range, it is judged that the overcurrent or overdischarge has occurred. Then, the FET is turned off to stop the electric tool.
摘要翻译：当具有14.4V输出电压的电池组以滑动方式连接到电动工具时，其被用作电动工具的电源，该电源工具可以以插入方式连接到电池组并且具有额定电压 12V时，电动工具和电池组通过插入其间的适配器而彼此连接。适配器具有以预定频率的预定占空比切换的FET。电池组和电动工具通过开关操作彼此连接或断开，由此降低电池组的输出电压。检测到电池组的电压。当检测到的电压超出预定值范围时，判断发生了过电流或过放电。然后，FET关闭以停止电动工具。

6. 发明授权

EP1677022B1 Pulse torque generator and power tool having the same 有权
标题翻译：旋转脉冲发生器和由此提供动力工具
公开(公告)号：EP1677022B1
公开(公告)日：2010-10-13
申请号：EP05257983.6
申请日：2005-12-22
申请人： HITACHI KOKI CO., LTD.
发明人： Ohtsu, Shinki , Yoshimizu, Chikai
IPC分类号： F16D37/02 , B25B21/02
CPC分类号： F16D37/02 , B25B21/02 , F16D5/00 , F16D2037/002 , F16D2037/007

7. 发明公开

EP1685929A1 Tool storage case 审中-公开
标题翻译： Werkzeugaufbewahrungsbehälter
公开(公告)号：EP1685929A1
公开(公告)日：2006-08-02
申请号：EP06001830.6
申请日：2006-01-30
申请人： HITACHI KOKI CO., LTD.
发明人： Yoshimizu, Chikai , Nakayama, Eiji , Hanawa, Hiroyuki , Takano, Nobuhiro
IPC分类号： B25H3/00
CPC分类号： B25H3/006
摘要： An electric device mounting type tool storage case (120) that is easily transported together with other electric devices such as audio devices (16) in addition to an electric tool body (27) and can stand against contamination such as dust in the work site. An audio device (16) as an electric device can be stored in the tool storage case (120) which is used as an enclosure of a pair of speakers (20,21). Storage portions (131-139) disposed in the tool storage case (120) are partitioned by partition walls (121-127) into a pair of sound channel spaces (35a,35b). In addition, a power switching circuit (102) of an AC-DC converter power supply circuit (101) or a battery DC power supply (5) is formed in the tool storage case (120), and power wiring lines (28) or inner wiring lines (28) are disposed along the partition walls (122,124,etc.). While a cover case (2) closes a storage case (1), electric devices such as an audio device (16) or a charger are operated.
摘要翻译：一种除电动工具本体（27）之外还易于与诸如音频装置（16）的其它电气设备一起传送的电气装置安装式工具存放盒（120），并能够抵抗工地上的灰尘等污染。作为电气设备的音频设备（16）可以存储在用作一对扬声器（20,21）的外壳的工具存储盒（120）中。设置在工具存放箱（120）中的存储部（131-139）被分隔壁（121-127）分隔成一对声道空间（35a，35b）。另外，在工具存储箱（120）中形成有AC-DC转换器电源电路（101）或电池DC电源（5）的电源开关电路（102），电力布线（28）或内部布线（28）沿着隔壁（122,124等）设置。当盖壳（2）关闭存储箱（1）时，操作诸如音频设备（16）或充电器的电气设备。

8. 发明授权

EP1571458B1 Battery-powered tool capable of detecting discharged battery pack 有权
标题翻译：适合检测所述电池组放电状态的电池供电的工具
公开(公告)号：EP1571458B1
公开(公告)日：2010-06-23
申请号：EP05251039.3
申请日：2005-02-23
申请人： HITACHI KOKI CO., LTD.
发明人： Funabashi, Kazuhiko , Takano, Nobuhiro , Yoshimizu, Chikai , Oomori, Katsuhiro , Komuro, Yoshihiro
IPC分类号： G01R31/36 , B25B21/00
CPC分类号： B25F5/00 , G01R19/16542 , G01R31/3648 , H02J7/0031 , H02J2007/004

9. 发明公开

EP1677022A1 Pulse torque generator and power tool having the same 有权
标题翻译： Dreh-Impuls-Generator und Hiermit versehenes angetriebenes Werkzeug
公开(公告)号：EP1677022A1
公开(公告)日：2006-07-05
申请号：EP05257983.6
申请日：2005-12-22
申请人： HITACHI KOKI CO., LTD.
发明人： Ohtsu, Shinki , Yoshimizu, Chikai
IPC分类号： F16D37/02 , B25B21/02
CPC分类号： F16D37/02 , B25B21/02 , F16D5/00 , F16D2037/002 , F16D2037/007
摘要： A pulse torque generator utilizing a magnetic coupling, and an electric power tool provided with the pulse torque generator. The pulse torque generator includes an input shaft extending in its axial direction and having a hollow section providing a hollow space, and an output shaft rotatably provided in the hollow space. A magnetic fluid is encapsulated in a hollow space between the input shaft and output shaft. A magnetic field generating unit is disposed, and magnetic segments are provided in the input shaft. A magnetic fluid provides a magnetic fluid bridge bridging between the input shaft and the output shaft each time the magnetic segment is brought into confrontation with the magnetic field generating unit.
摘要翻译：利用磁耦合的脉冲扭矩发生器和设置有脉冲扭矩发生器的电动工具。脉冲扭矩发生器包括沿其轴向延伸并具有提供中空空间的中空部分的输入轴和可旋转地设置在中空空间中的输出轴。磁性流体被封装在输入轴和输出轴之间的中空空间中。设置磁场产生单元，并且在输入轴中设置磁段。每当磁段与磁场发生单元对抗时，磁性流体在输入轴和输出轴之间提供桥接的磁性流体桥。

10. 发明公开

EP1571458A1 Battery-powered tool capable of detecting discharged battery pack 有权
标题翻译： Batteriebetriebenes Werkzeug geeignet zur Detektion des Batteriesatz-Entladungszustands
公开(公告)号：EP1571458A1
公开(公告)日：2005-09-07
申请号：EP05251039.3
申请日：2005-02-23
申请人： HITACHI KOKI CO., LTD.
发明人： Funabashi, Kazuhiko , Takano, Nobuhiro , Yoshimizu, Chikai , Oomori, Katsuhiro , Komuro, Yoshihiro
IPC分类号： G01R31/36 , B25B21/00
CPC分类号： B25F5/00 , G01R19/16542 , G01R31/3648 , H02J7/0031 , H02J2007/004
摘要： In order to prevent a battery pack (9) from being overly discharged during use in a power tool (1), a discharge voltage limit circuit (10) is provided. The circuit (10) disconnects the battery pack (9) from the motor (12) when the voltage of the battery pack (9) falls below a predetermined level. However, the circuit (10) is operable only when the main switch (4) is OFF, that is, when no load is imposed on the motor (12).
摘要翻译：为了防止在电动工具（1）的使用期间电池组（9）被过度放电，提供了放电电压限制电路（10）。当电池组（9）的电压低于预定水平时，电路（10）将电池组（9）与电动机（12）断开。然而，仅当主开关（4）为OFF时，即当电动机（12）没有负载时，电路（10）才可操作。

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