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1. 发明授权

US06566005B1 Battery pack with an improved cooling structure 有权
标题翻译：具有改进冷却结构的电池组
公开(公告)号：US06566005B1
公开(公告)日：2003-05-20
申请号：US09707101
申请日：2000-11-06
申请人： Yasutoshi Shimma , Junichi Masuda , Shingo Umemura , Kazuyuki Sakakibara
发明人： Yasutoshi Shimma , Junichi Masuda , Shingo Umemura , Kazuyuki Sakakibara
IPC分类号： H01M200
CPC分类号： H01M2/1055 , H01M10/486 , H01M10/613 , H01M10/6235 , H01M10/643 , H01M10/6551 , H01M10/6563 , H01M10/6566
摘要： A battery pack (1) includes an air intake port (9), air discharge ports (11), first air passages (24), and a second air passage (25). Cooling air introduced into the battery pack through the air intake port (9) flows around and through two cell groups contained in the pack before exiting to the pack from the discharge ports (11). As the intake port and the discharge ports are both provided at an upper enclosure (4) of the battery pack that is set on a charger (50) for charging or an electric power tool as a power source, neither intake port nor the discharge ports are exposed to the exterior environment whether the pack is set on the charger or attached to a power tool.
摘要翻译：电池组（1）包括进气口（9），排气口（11），第一空气通道（24）和第二空气通道（25）。通过进气口（9）引入电池组的冷却空气在从排出口（11）离开包装之前，流过包装袋内的两个电池组。由于进气口和排出口均设置在设置在用于充电的充电器（50）或作为电源的电动工具的电池组的上部外壳（4）上，所以进气口和排出口暴露于外部环境，无论该组件是放置在充电器上还是连接到电动工具上。

2. 发明授权

US07383893B2 Electric hammer drill 有权
标题翻译：电锤钻
公开(公告)号：US07383893B2
公开(公告)日：2008-06-10
申请号：US11180567
申请日：2005-07-14
申请人： Yasutoshi Shimma , Junichi Iwakami
发明人： Yasutoshi Shimma , Junichi Iwakami
IPC分类号： B23B45/02
CPC分类号： B25D17/24 , B25D16/006 , B25D2211/003 , B25D2211/068 , B25D2250/065
摘要： It is an object of the present invention to provide an effective technique to alleviate vibration in the electric hammer drill. According to the invention, representative electric hammer drill is provided with a body, a motor, a striker, a cylinder, first and second power transmitting mechanisms, a power switching mechanism, a mode changing mechanism, and a coupling mechanism. The mode changing mechanism is disposed on the upper surface of the body and can change between a hammer-drill mode and a hammer mode. The coupling mechanism is disposed between the mode changing mechanism and the power switching mechanism. The coupling mechanism extends along the peripheral surface of the cylinder and transmits the mode changing movement of the mode changing mechanism to the power switching mechanism by moving in the longitudinal direction of the cylinder. Because the mode changing mechanism is disposed on the upper surface of the body and the coupling mechanism extends along the peripheral surface of the cylinder to move in the longitudinal direction of the cylinder, the center of gravity of the electric hammer drill is positioned nearer to the axis of the cylinder, compared with the known art in which the components for the switching the operation modes are centralized in one area. As a result, operating vibration of the electric hammer drill is effectively alleviated.
摘要翻译：本发明的目的是提供一种减轻电锤钻的振动的有效技术。根据本发明，代表性的电锤钻具具有主体，电动机，冲击器，气缸，第一和第二动力传递机构，动力切换机构，模式改变机构和联接机构。模式改变机构设置在主体的上表面上，并且可以在锤钻模式和锤击模式之间改变。联接机构设置在模式切换机构和动力切换机构之间。联接机构沿着圆筒的外周面延伸，通过沿气缸的长度方向移动，将模式切换机构的换档动作传递给动力切换机构。由于模式改变机构设置在主体的上表面上，并且联接机构沿着圆筒的周面延伸，以沿圆筒的纵向方向移动，所以电锤钻的重心位于与其中用于将操作模式切换的部件集中在一个区域中的已知技术相比。结果，电锤钻的操作振动得到有效的缓解。

3. 发明申请

US20060032645A1 Electric hammer drill 有权
标题翻译：电锤钻
公开(公告)号：US20060032645A1
公开(公告)日：2006-02-16
申请号：US11180567
申请日：2005-07-14
申请人： Yasutoshi Shimma , Junichi Iwakami
发明人： Yasutoshi Shimma , Junichi Iwakami
IPC分类号： B25D9/00
CPC分类号： B25D17/24 , B25D16/006 , B25D2211/003 , B25D2211/068 , B25D2250/065
摘要： It is an object of the present invention to provide an effective technique to alleviate vibration in the electric hammer drill. According to the invention, representative electric hammer drill is provided with a body, a motor, a striker, a cylinder, first and second power transmitting mechanisms, a power switching mechanism, a mode changing mechanism, and a coupling mechanism. The mode changing mechanism is disposed on the upper surface of the body and can change between a hammer-drill mode and a hammer mode. The coupling mechanism is disposed between the mode changing mechanism and the power switching mechanism. The coupling mechanism extends along the peripheral surface of the cylinder and transmits the mode changing movement of the mode changing mechanism to the power switching mechanism by moving in the longitudinal direction of the cylinder. Because the mode changing mechanism is disposed on the upper surface of the body and the coupling mechanism extends along the peripheral surface of the cylinder to move in the longitudinal direction of the cylinder, the center of gravity of the electric hammer drill is positioned nearer to the axis of the cylinder, compared with the known art in which the components for the switching the operation modes are centralized in one area. As a result, operating vibration of the electric hammer drill is effectively alleviated.
摘要翻译：本发明的目的是提供一种减轻电锤钻的振动的有效技术。根据本发明，代表性的电锤钻具具有主体，电动机，冲击器，气缸，第一和第二动力传递机构，动力切换机构，模式改变机构和联接机构。模式改变机构设置在主体的上表面上，并且可以在锤钻模式和锤击模式之间改变。联接机构设置在模式切换机构和动力切换机构之间。联接机构沿着圆筒的外周面延伸，通过沿气缸的长度方向移动，将模式切换机构的换档动作传递给动力切换机构。由于模式改变机构设置在主体的上表面上，并且联接机构沿着圆筒的周面延伸，以沿圆筒的纵向方向移动，所以电锤钻的重心位于与其中用于将操作模式切换的部件集中在一个区域中的已知技术相比。结果，电锤钻的操作振动得到有效的缓解。

4. 发明授权

US5709391A Bit mounting device 失效
标题翻译：钻头安装装置
公开(公告)号：US5709391A
公开(公告)日：1998-01-20
申请号：US706229
申请日：1996-09-04
申请人： Takuo Arakawa , Yasutoshi Shimma , Eiichi Futamura
发明人： Takuo Arakawa , Yasutoshi Shimma , Eiichi Futamura
IPC分类号： B23B45/16 , B25D17/08 , B23B31/11
CPC分类号： B25D17/088 , B25D2217/0049 , Y10T279/17076 , Y10T279/17752 , Y10T279/17811
摘要： A bit mounting device is adapted for removably mounting a bit on a tool which has a barrel including a mounting hole adapted for receiving the bit. The bit mounting device includes an engaging member engageable with the bit and a control member mounted on the barrel. The control member is movable between a holding position and a releasing position. The control member in the holding position is operable to fix the engaging member in an engaging position for engagement with the bit. The control member in the releasing position is operable to permit the engaging member to move from the engaging position to a disengaging position for disengagement from the bit. A stopper mechanism is operable to hold the control member in the releasing position when the bit is removed from the barrel.
摘要翻译：一种安装装置适于可拆卸地将钻头安装在具有适于接收钻头的安装孔的工具上。钻头安装装置包括可与钻头接合的接合构件和安装在枪管上的控制构件。控制构件可在保持位置和释放位置之间移动。保持位置中的控制构件可操作以将接合构件固定在用于与钻头接合的接合位置。处于释放位置的控制构件可操作以允许接合构件从接合位置移动到脱离位置以脱离钻头。当钻头从筒体移除时，止动机构可操作以将控制构件保持在释放位置。

5. 发明授权

US07322427B2 Power impact tool 有权
标题翻译：电动冲击工具
公开(公告)号：US07322427B2
公开(公告)日：2008-01-29
申请号：US11147384
申请日：2005-06-08
申请人： Yasutoshi Shimma , Yoshihiro Kasuya , Masanori Furusawa
发明人： Yasutoshi Shimma , Yoshihiro Kasuya , Masanori Furusawa
IPC分类号： H01H9/20
CPC分类号： B25D16/006 , B25D2211/003 , B25D2211/068 , B25D2216/0015 , B25D2216/0023 , B25D2250/261 , H01H9/06 , H01H9/26
摘要： It is an object of the present invention to provide an effective technique to improve ease of operation of the power impact tool. The power tool of the present invention includes a tool body, a tool bit, a motor, first and second switches and a mode changing mechanism. The motor is driven only when both switches are in an on position. The first switch is biased in the off position. The second switch is biased in the last position operated. The mode changing mechanism switches between hammer operation modes such that in the first hammer mode, the user actuates the first switch while the second switch is locked in the on position and in the second hammer mode, the first switch is locked in the on position while the second switch is actuated. In the second hammer mode, actuating the second switch similar to a toggle switch operates the tool.
摘要翻译：本发明的目的是提供一种有效的技术来改善动力冲击工具的易操作性。本发明的电动工具包括工具主体，工具头，电动机，第一和第二开关以及模式改变机构。只有当两个开关处于接通位置时才会驱动电机。第一个开关被偏置在关闭位置。第二个开关偏置在最后一个位置。模式改变机构在锤操作模式之间切换，使得在第一锤击模式中，用户致动第一开关，而第二开关锁定在接通位置，并且在第二锤模式中，第一开关锁定在接通位置，同时第二开关被致动。在第二锤击模式中，类似于拨动开关来致动第二开关操作该工具。

6. 发明申请

US20060011361A1 Power impact tool 有权
标题翻译：电动冲击工具
公开(公告)号：US20060011361A1
公开(公告)日：2006-01-19
申请号：US11147384
申请日：2005-06-08
申请人： Yasutoshi Shimma , Yoshihiro Kasuya , Masanori Furusawa
发明人： Yasutoshi Shimma , Yoshihiro Kasuya , Masanori Furusawa
IPC分类号： B25D9/00
CPC分类号： B25D16/006 , B25D2211/003 , B25D2211/068 , B25D2216/0015 , B25D2216/0023 , B25D2250/261 , H01H9/06 , H01H9/26
摘要： Accordingly, it is an object of the present invention to provide an effective technique to improve ease of operation of the power impact tool. The representative power impact tool according to the present invention includes a tool body, a tool bit, a motor, first and second switches and a mode changing mechanism. The tool bit performs a striking movement. The motor is driven only when both of the switches are turned on. The first switch is urged from the on position side to the off position side and normally held in the off position. The second switch is turned between the on position and the off position and held in one of the on and off positions unless operated to be turned to the opposite position. The mode changing mechanism switches between hammer operation modes of the tool bit. According to the first hammer mode, the user is allowed to actuate the first switch while the second switch is locked in the on position. Further, according to the second hammer mode, the first switch is locked in the on position while the user is allowed to actuate the second switch. According to the invention, when the power impact tool is operated in the second hammer mode, the first switch is locked in the on-position while the user is allowed to actuate the second switch such like a toggle switch to drive the motor. Therefore, the user is not required to keep the first switch in the on-position by hand in the second hammer mode. As a result, ease of operation of the power impact tool is enhanced compared with the known art.
摘要翻译：因此，本发明的目的是提供一种有效的技术来改善动力冲击工具的易操作性。根据本发明的代表性动力冲击工具包括工具主体，工具钻头，马达，第一和第二开关以及模式改变机构。工具位执行醒目的运动。只有当两个开关都打开时，电机才被驱动。第一开关从位置侧被推压到关闭位置侧并且通常保持在关闭位置。第二开关在打开位置和关闭位置之间转动并且保持在打开和关闭位置中的一个位置，除非操作以转动到相对位置。模式切换机构切换工具钻头的锤击操作模式。根据第一锤击模式，允许用户致动第一开关，同时第二开关锁定在接通位置。此外，根据第二锤击模式，第一开关被锁定在接通位置，同时允许使用者致动第二开关。根据本发明，当动力冲击工具以第二锤模式操作时，第一开关被锁定在就位，同时使用者能够像拨动开关一样致动第二开关来驱动马达。因此，用户不需要以第二锤模式手动将第一开关保持在就位。结果，与现有技术相比，动力冲击工具的易操作性得到提高。

7. 发明授权

US06192996B1 Mode changing mechanism for use in a hammer drill 有权
标题翻译：用于锤钻的换模机构
公开(公告)号：US06192996B1
公开(公告)日：2001-02-27
申请号：US09648504
申请日：2000-08-25
申请人： Takahiro Sakaguchi , Yasutoshi Shimma
发明人： Takahiro Sakaguchi , Yasutoshi Shimma
IPC分类号： B25D1100
CPC分类号： B25D16/00 , B25D16/006 , B25D2211/061 , B25D2216/0015 , B25D2216/0038
摘要： A hammer drill (1) includes an intermediate shaft (13), a clutch ring (25), a second gear (20), and a boss (15) all mounted on the intermediate shaft (13). Also included are a rotatable change lever (40) and a clutch plate (31) which has lock claws (36). When the change lever (40) is fully rotated in the clockwise direction, the hammer drill (1) is placed in a drill-only mode where the clutch ring (25) meshes only with the second gear (20). When the change lever (40) is rotated approximately 45 degrees counterclockwise from the foregoing position, the hammer drill (1) is placed in a hammer drill mode, where the clutch ring (25) meshes with the second gear (20) and the boss (15). When the change lever (40) is rotated approximately another 45 degrees counterclockwise, the hammer drill (1) is placed in a neutral position where tile second gear (20) is disengaged from the clutch ring (25), with the clutch ring (25) remaining in mesh with the boss (15). When the change lever (40) is rotated another 45 degrees counterclockwise, the hammer drill (1) enters into a hammer-only mode where the second gear (20) meshes with, and is prevented from rotation by, the lock claws (36) of the clutch plate (31).
摘要翻译：锤钻（1）包括中间轴（13），离合器环（25），第二齿轮（20）和全部安装在中间轴（13）上的凸台（15）。还包括具有锁定爪（36）的可旋转变速杆（40）和离合器片（31）。当换向杆（40）沿顺时针方向完全旋转时，锤钻（1）放置在只钻模式中，其中离合器环（25）仅与第二齿轮（20）啮合。当变速杆（40）从上述位置逆时针旋转约45度时，锤钻（1）以锤钻模式放置，其中离合器环（25）与第二齿轮（20）啮合，并且凸台（15）。当变速杆（40）逆时针旋转大约另一个45度时，锤钻（1）被置于中间位置，其中瓦片第二齿轮（20）与离合器环（25）脱离，离合器环（25））保持与凸台（15）啮合。当变速杆（40）逆时针旋转45度时，锤钻（1）进入仅锤式模式，其中第二齿轮（20）与锁爪（36）啮合并防止旋转，的离合器片（31）。

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