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1. 发明授权

US5799739A Battery-driven tool having gas discharging function 失效
标题翻译：具有气体放电功能的电池驱动工具
公开(公告)号：US5799739A
公开(公告)日：1998-09-01
申请号：US740218
申请日：1996-10-25
申请人： Kenichi Takaada , Hideki Kurosawa , Yoshiaki Adachi , Hideki Watanabe
发明人： Kenichi Takaada , Hideki Kurosawa , Yoshiaki Adachi , Hideki Watanabe
IPC分类号： B25F5/00 , H01M2/10 , H01M10/52
CPC分类号： B25F5/008 , H01M2/1022 , H01M10/52
摘要： In a battery-driven tool, comprising a motor equipped with a fan and air windows arranged on the casing where the motor is positioned and for sending cooling air generated by rotation of the fan to outside, the object of the present invention is to send hydrogen gas generated by overdischarge to outside so that hydrogen gas is not accumulated in the battery chamber, and to exclude undesirable effect on the designing of the battery-driven tool. To attain the object, the motor chamber to accommodate the motor equipped with the fan is communicated with the battery chamber where the battery is accommodated.
摘要翻译：在电池驱动的工具中，包括配备有风扇的电动机和布置在电动机定位的壳体上的空气窗口，并且用于将通过风扇的旋转产生的冷却空气发送到外部，本发明的目的是将氢气由于向外部过放电而产生气体，使得氢气未积聚在电池室中，并且排除对电池驱动工具的设计的不良影响。为了达到上述目的，容纳装有风扇的马达的马达室与容纳电池的电池室连通。

2. 发明授权

US06745883B2 Electric power tool 失效
标题翻译：电动工具
公开(公告)号：US06745883B2
公开(公告)日：2004-06-08
申请号：US10321556
申请日：2002-12-18
申请人： Yasuo Eto , Hideki Kurosawa , Yoshiaki Adachi , Kenichi Takaada
发明人： Yasuo Eto , Hideki Kurosawa , Yoshiaki Adachi , Kenichi Takaada
IPC分类号： B25B2314
CPC分类号： G05G1/10 , B25B23/14 , B25F5/02
摘要： In an electric power tool having a clutch ring for adjusting a fastening torque, an outer member 3 which are lower in hardness than a base member 2 of the clutch ring 1 has a plurality of projections discontinuously arranged on the outer peripheral face of the base member 2.
摘要翻译：在具有用于调整紧固扭矩的离合器环的电动工具中，硬度低于离合器环1的基体2的外部构件3具有不连续地设置在基座构件的外周面上的多个突起 2。

3. 发明授权

US5019023A Speed changer mechanism for electrically powered tool 失效
标题翻译：电动工具变速机构
公开(公告)号：US5019023A
公开(公告)日：1991-05-28
申请号：US422405
申请日：1989-10-16
申请人： Hideki Kurosawa
发明人： Hideki Kurosawa
IPC分类号： B23Q5/14 , B25F5/00 , F16D21/04 , F16H3/089
CPC分类号： F16D21/04 , B23Q5/14 , B25F5/001 , F16H3/089 , Y10T74/19684
摘要： An electrically powered tool such as a drill has a gear holder drivable by a motor shaft and having a larger-diameter gear and a smaller-diameter gear, a transmission shaft rotatable by the gear holder for rotating an output shaft, the transmission shaft having a splined disc having first splines, a high-speed gear rotatably mounted on the transmission shaft and held in mesh with the larger-diameter gear, the high-speed gear having second splines, a low-speed gear rotatably mounted on the transmission shaft and held in mesh with the smaller-diameter gear, the low-speed gear having third splines, a pair of springs for normally urging the high- and low-speed gears to be axially held against opposite surfaces of the splined disc, and a clutch plate having internal axial teeth and axially slidably mounted on the splined disc. The clutch plate is axially movable in a position in which the internal axial teeth mesh with the first and second splines and a position in which the internal axial teeth mesh with the first and third splines.
摘要翻译：诸如钻头的电动工具具有可由电动机轴驱动并具有较大直径齿轮和较小直径齿轮的齿轮架，可由齿轮保持器旋转的传动轴，用于旋转输出轴，传动轴具有具有第一花键的花键盘，可旋转地安装在传动轴上并与大直径齿轮啮合的高速齿轮，高速齿轮具有第二花键，可转动地安装在传动轴上的低速齿轮，并保持与小直径齿轮啮合的低速齿轮具有第三花键，一对弹簧，用于正常地推动高速齿轮和低速齿轮轴向地保持在花键盘的相对表面上;以及离合器板，其具有内部轴向齿并且轴向可滑动地安装在花键盘上。离合器板可以在内部轴向齿与第一和第二花键啮合的位置和内部轴向齿与第一和第三花键啮合的位置中轴向移动。

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