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1. 发明授权

EP2752278B1 Power tool having improved tool accessory securing mechanism 有权
公开(公告)号：EP2752278B1
公开(公告)日：2019-11-20
申请号：EP14150103.1
申请日：2014-01-03
申请人： Makita Corporation
发明人： Kawakami, Takahiro , Nakamura, Shin , Nakahama, Masatoshi
IPC分类号： B27B5/32

2. 发明公开

EP2752278A1 Power tool having improved tool accessory securing mechanism 有权
标题翻译： Elektrowerkzeug mit verbicultemWerkzeugzubehörsicherungsmechanismus
公开(公告)号：EP2752278A1
公开(公告)日：2014-07-09
申请号：EP14150103.1
申请日：2014-01-03
申请人： Makita Corporation
发明人： Kawakami, Takahiro , Nakamura, Shin , Nakahama, Masatoshi
IPC分类号： B27B5/32
摘要： A power tool (100) comprises a clamp shaft holding mechanism (130) for detachably holding a tool (200) and an operating mechanism (104) for operating the clamp shaft holding mechanism (130). The operating mechanism (104) comprises a grasping part (151; 251; 351) adapted to be manipulated by a user to switch between a clamped state and an unclamped state with respect to the tool (200) by moving the grasping part (151; 251; 351) in a direction away from the tool (200), thereby ensuring safer tool removal and attachment operations.
摘要翻译：电动工具（100）包括用于可拆卸地保持工具（200）的夹紧轴保持机构（130）和用于操作夹紧轴保持机构（130）的操作机构。操作机构（104）包括：握持部（151; 251; 351），其被使用者操纵以通过移动所述抓握部（151; 251）而在夹持状态和相对于所述工具（200）的松开状态之间切换 251; 351）沿着远离工具（200）的方向，从而确保更安全的工具移除和附接操作。

3. 发明授权

EP2946888B1 POWER TOOL 有权
标题翻译：电动工具
公开(公告)号：EP2946888B1
公开(公告)日：2016-10-12
申请号：EP15159269.8
申请日：2015-03-16
申请人： Makita Corporation
发明人： Kawakami, Takahiro , Nakahama, Masatoshi
IPC分类号： B25F5/02 , B24B23/08
CPC分类号： H02K9/06 , B24B23/02 , B24B23/028 , B25F5/008 , B25F5/02 , H02K3/522 , H02K7/145 , H02K11/27 , H02K29/06 , H02K2203/09
摘要： A grinder (1) includes a controller (74) that controls the drive of a brushless motor (6) and both are housed inside a main body housing (2). A battery pack (5) is mounted on the main body housing (2) and serves as the power supply. When a centrifugal fan (30) provided on a rotary shaft (26) of the brushless motor (6) rotates, outside (cooling) air is drawn in through air-suction ports (87) provided in the main body housing (2) and passes through the brushless motor (6). The controller (74) is disposed adjacent to a terminal block (69) that is provided on a battery-mount part (4) of the main body housing (2) and is electrically connected to the battery pack (5). The air-suction ports (87) are disposed between the controller (74) and the terminal block (69) so that the terminal block (69) is also cooled by the incoming outside (cooling) air.

4. 发明公开

EP2946888A1 POWER TOOL 有权
标题翻译：电动工具
公开(公告)号：EP2946888A1
公开(公告)日：2015-11-25
申请号：EP15159269.8
申请日：2015-03-16
申请人： Makita Corporation
发明人： Kawakami, Takahiro , Nakahama, Masatoshi
IPC分类号： B25F5/02 , B24B23/08
CPC分类号： H02K9/06 , B24B23/02 , B24B23/028 , B25F5/008 , B25F5/02 , H02K3/522 , H02K7/145 , H02K11/27 , H02K29/06 , H02K2203/09
摘要： A grinder (1) includes a controller (74) that controls the drive of a brushless motor (6) and both are housed inside a main body housing (2). A battery pack (5) is mounted on the main body housing (2) and serves as the power supply. When a centrifugal fan (30) provided on a rotary shaft (26) of the brushless motor (6) rotates, outside (cooling) air is drawn in through air-suction ports (87) provided in the main body housing (2) and passes through the brushless motor (6). The controller (74) is disposed adjacent to a terminal block (69) that is provided on a battery-mount part (4) of the main body housing (2) and is electrically connected to the battery pack (5). The air-suction ports (87) are disposed between the controller (74) and the terminal block (69) so that the terminal block (69) is also cooled by the incoming outside (cooling) air.
摘要翻译：研磨机（1）包括控制无刷电机（6）的驱动的控制器（74），并且两者都容纳在主体外壳（2）内。电池组（5）安装在主体外壳（2）上并用作电源。当设置在无刷电动机（6）的旋转轴（26）上的离心式风扇（30）旋转时，外部（冷却）空气通过设置在主体外壳（2）中的吸气口（87）通过无刷电机（6）。控制器74设置在设置在主体外壳2的电池安装部4上并与电池组5电连接的端子台69附近。吸气口87设置在控制器74和接线盒69之间，以便接线盒69也由外来的冷却空气冷却。

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