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1. 发明专利

JP2011183516A Power tool 有权
标题翻译：电动工具
公开(公告)号：JP2011183516A
公开(公告)日：2011-09-22
申请号：JP2010052150
申请日：2010-03-09
申请人： Makita Corp , 株式会社マキタ
发明人： NUMATA FUMITOSHI
IPC分类号： B25F5/00
CPC分类号： B24B23/028 , B24B47/26 , B25F5/001
摘要： PROBLEM TO BE SOLVED: To provide a power tool having good operability by reducing load in operation to release a brake device. SOLUTION: The power tool 1 includes a housing 11 accommodating a motor M and provided with an operational member 20 to turn ON/OFF a drive switch of the motor, and a brake device 30 including, in the housing, a brake plate 31 fixed to an output shaft 12 of the motor, a brake member 32 capable of moving toward and away from the brake plate and an urging means B for urging the brake member toward a position abutting the brake plate. The brake member is kept in the housing to move toward and away as it rotates. The operational member is provided with a pressurizing member 22 which comes into contact with the brake member by operating the motor drive switch to be turned ON and turns the brake member in a rotating direction away from the brake plate against the urging of the urging means. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：通过减少操作中的负载来释放制动装置来提供具有良好可操作性的电动工具。电动工具1包括容纳电动机M并具有操作构件20的壳体11，该操作构件20使电动机的驱动开关接通/断开;以及制动装置30，其在壳体中包括制动板 31，其固定到电动机的输出轴12，能够朝向和远离制动板移动的制动构件32和用于将制动构件朝向与制动板抵接的位置推压的推动装置B. 制动构件保持在壳体中以在其旋转时朝向和远离方向移动。操作构件设置有加压构件22，该加压构件22通过操作马达驱动开关而被操作而与制动构件接触，以便克服施力装置的推动而使制动构件沿制动板的旋转方向转动。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2010179436A Electric tool 有权
标题翻译：电动工具
公开(公告)号：JP2010179436A
公开(公告)日：2010-08-19
申请号：JP2009027409
申请日：2009-02-09
申请人： Makita Corp , 株式会社マキタ
发明人： NUMATA FUMITOSHI
IPC分类号： B25F5/00
CPC分类号： B25F5/006 , B25F5/001
摘要： PROBLEM TO BE SOLVED: To provide an electric tool capable of stably buffering starting shock. SOLUTION: In the electric disk grinder, a C-shaped spring member 44 elastically deformable in a radially extending direction is interposed between a driven gear 26 and a spindle 30 in a torque transmission system. The spring member 44 is engaged with a driving projection part 48 of the driven gear 26 and a driven projection part 50 of a joint sleeve 42 of the spindle 20 relative to a rotating direction, and elastically deforms in the radius in the radially extending direction according to the driven side load, when transmitting rotation of the driven gear 26 to the spindle 30, to buffer the starting shock. A contact surface 50a of the driven projection part 50 is formed into an inclined surface to slide an end part of the spring member 44 abutting on the contact surface 50a radially outwardly. According to this, the spring member 44 is easily elastically deformed in the radially extending direction. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供能够稳定地缓冲起动冲击的电动工具。解决方案：在电动圆盘磨碎机中，在扭矩传递系统中，在从动齿轮26和心轴30之间插入沿径向延伸方向弹性变形的C形弹簧构件44。弹簧构件44与从动齿轮26的驱动突起部48和主轴20的关节套筒42相对于旋转方向的从动突出部50接合，并且沿径向延伸方向沿半径方向弹性变形，当将从动齿轮26的旋转传递到主轴30时，到从动侧负载来缓冲起动冲击。被驱动突出部50的接触表面50a形成为倾斜表面，以使抵接在接触表面50a上的弹簧构件44的端部径向向外滑动。据此，弹簧构件44容易沿径向延伸的方向弹性变形。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2009039844A Cutter 审中-公开
标题翻译：切割机
公开(公告)号：JP2009039844A
公开(公告)日：2009-02-26
申请号：JP2007209918
申请日：2007-08-10
申请人： Makita Corp , 株式会社マキタ
发明人： NUMATA FUMITOSHI
IPC分类号： B23D47/00 , B23D45/16 , B28D1/04
摘要： PROBLEM TO BE SOLVED: To favorably maintain cooling efficiency by an axial fan. SOLUTION: This cutter 1 is provided with: a wind window 27 to exhaust air for cooling delivered forward from the axial fan 21 fastened on an output shaft 9 between a cylindrical motor housing 5 and a gear housing 6; and an integrally molded blade case 7 in front of the gear housing 6. A cover 29 to close an opening of the gear housing 6 in front of the wind window 27 is provided in the opening of the gear housing 6. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过轴流风扇有利地保持冷却效率。解决方案：该切割器1设置有：风窗27，用于排出空气，用于从紧固在圆柱形马达壳体5和齿轮壳体6之间的输出轴9上的轴向风扇21向前输送的冷却; 以及在齿轮壳体6前面的整体模制的叶片壳体7.在齿轮壳体6的开口中设置有用于封闭风窗27前方的齿轮壳体6的开口的盖29.版权所有：（C）2009，JPO＆INPIT

4. 发明专利

JP2003071746A Auxiliary storage device for battery and battery type power tool provided with the same 有权
标题翻译：用于电池和电池类型电动工具的辅助存储装置
公开(公告)号：JP2003071746A
公开(公告)日：2003-03-12
申请号：JP2001257563
申请日：2001-08-28
申请人： Makita Corp , 株式会社マキタ
发明人： NUMATA FUMITOSHI
IPC分类号： B25F5/00 , H01M2/10
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To improve the appearance when storing and fixing a battery smaller than an exclusive battery in a battery storage space of a battery type power tool.
SOLUTION: When storing the battery B1 smaller than the exclusive battery in the battery storage space 6 of a housing 2, an auxiliary storage device 20 filling up a clearance C which occurs between a front end face of the battery B1 and a rear end face 2a of the housing 2 is provided. Moreover, the auxiliary storage device 20 presses and moves a rear end part 15b of a battery detection rod 15 constituting a safety mechanism so that a lock on mechanism for locking a start and stop switch of a motor to ON position can operate.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：为了在电池型电动工具的电池存储空间中存储和固定小于专用电池的电池时改善外观。解决方案：当将小于专用电池的电池B1存储在壳体2的电池存放空间6中时，填充在电池B1的前端面和后端面2a之间发生间隙C的辅助存储装置20 设置有壳体2。此外，辅助存储装置20按压并移动构成安全机构的电池检测杆15的后端部15b，从而可以操作用于将电动机的起动和停止开关锁定到接通位置的锁定机构。

5. 发明专利

JP2013163243A Water injection-type power tool 审中-公开
标题翻译：水注射式电动工具
公开(公告)号：JP2013163243A
公开(公告)日：2013-08-22
申请号：JP2012027450
申请日：2012-02-10
申请人： Makita Corp , 株式会社マキタ
发明人： NUMATA FUMITOSHI , KOJIMA SHIGERU
IPC分类号： B24B55/10 , B25F5/00
摘要： PROBLEM TO BE SOLVED: To provide a water injection-type power tool capable of preventing the scattering of dust or water to allow the visual confirmation of a working surface with favorable operability and with few risks of being disturbed by a cover, and preventing an unintended operation.SOLUTION: In a water injection-type power tool 1, only a cover body 50a of a dust collection cover 50 is attachable to a loop handle 4, and a guard body 70 is installed to the cover body 50a so that they can be attached in combination. The guard body 70 which is a strip member having an Ω-shaped cross section covers only the circumferential surface of an abrasive pad 27 when installed to the loop handle 4 through the cover body 50a.
摘要翻译：要解决的问题：提供一种能够防止灰尘或水分散的水喷射型电动工具，以允许操作性良好的可视化确认工作表面，并且几乎没有被盖子打扰的风险，并且防止意外的操作。解决方案：在注水式电动工具1中，只有集尘盖50的盖体50a可附接到环把手4，并且防护体70安装到盖体50a，使得它们可以结合使用。作为带状构件的保护体70，当通过盖主体50a安装到环形手柄4时，仅覆盖研磨垫27的周向表面。

6. 发明专利

JP2012200794A Electric tool 审中-公开
标题翻译：电动工具
公开(公告)号：JP2012200794A
公开(公告)日：2012-10-22
申请号：JP2011064688
申请日：2011-03-23
申请人： Makita Corp , 株式会社マキタ
发明人： NUMATA FUMITOSHI
IPC分类号： B25F5/00 , B24B23/00 , B24B45/00
CPC分类号： B24B23/028 , B24B45/00
摘要： PROBLEM TO BE SOLVED: To provide an electric tool capable of preventing unfastening of a nut member screwed with a spindle during the operation of a brake device after attaching of an inner member to the spindle.SOLUTION: A grinder 1 is constructed such that a spindle 16 is protruded from a body 10 including a brake device 50, the spindle includes an inner member interfering with pressing members 16A and 16B integrally formed in the spindle to be pressed to the tip side of the spindle following the braking of the spindle by a brake device, a nut member 40 is screwed with the tip of the spindle, and a disc-shaped tool 45 put orthogonally through the spindle is held between the inner member and the nut member. The inner member includes an unfastening prevention member 20 interfering with the pressing parts to be pressed to the disc-shaped tool side during the braking, and an inner flange 30 detachably fixed to the unfastening prevention member to integrally rotate and put through the spindle, and configured to hold the disc-shaped tool with the nut member in the fixed state to the unfastening prevention member.
摘要翻译：要解决的问题：提供一种电动工具，其能够在将内部构件附接到主轴之后，在制动装置的操作期间防止与主轴拧紧的螺母构件的松开。解决方案：研磨机1构造成使得主轴16从包括制动装置50的主体10突出，主轴包括内部构件，其干涉一体地形成在主轴中的按压构件16A和16B，以被按压到通过制动装置制动主轴后，主轴的尖端侧，螺母构件40与主轴的尖端螺纹连接，并且通过心轴正交放置的圆盘形工具45保持在内部构件和螺母之间会员。内部构件包括在制动期间阻碍被压向盘形工具侧的按压部件的防松紧构件20和可拆卸地固定到防松紧构件以一体地旋转并穿过主轴的内凸缘30，以及被配置为将所述盘形工具固定在固定状态的螺母构件上。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2010158755A Switch of power tool 有权
标题翻译：电动工具开关
公开(公告)号：JP2010158755A
公开(公告)日：2010-07-22
申请号：JP2009003636
申请日：2009-01-09
申请人： Makita Corp , 株式会社マキタ
发明人： KIMATA KOICHI , NUMATA FUMITOSHI , NISHIKIMI JUNICHI , TOMONAGA SATOSHI , YOSHIZAKI TATSUYA
IPC分类号： B25F5/00 , B24B23/00
摘要： PROBLEM TO BE SOLVED: To securely reflect operation intention of a user by clearly distinguishing a lock-on mechanism from a lock-off mechanism, since there is a case of switching to a lock-on state even when a user does not intend to do so because an operation direction for releasing the lock-off mechanism and an operation direction for being switched to the lock on-state are conventionally the same in a switch including the lock-on mechanism for locking a switch lever of a power tool in an on-state and the lock-off mechanism for locking it in an off-state. SOLUTION: The operation direction for releasing the lock-off mechanism and the operation mechanism for being switched to the lock-on state are made to be reverse with each other in respect to one lock operation member 15, so that both operations are prevented from being unintentionally continuously carried out. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了通过将锁定机制与锁定机构清楚地区分来可靠地反映用户的操作意图，因为即使当用户不会切换到锁定状态时也存在切换到锁定状态的情况打算这样做是因为用于释放锁定机构的操作方向和切换到锁定开启状态的操作方向在包括用于锁定电动工具的开关杆的锁定机构的开关中通常是相同的处于导通状态和用于将其锁定在关闭状态的锁定机构。解决方案：解除锁定机构的操作方向和切换到锁定状态的操作机构相对于一个锁定操作构件15彼此相反，使得两个操作都是防止无意中不断进行。版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2006095667A Polisher and its cover 有权
标题翻译：抛光机及其封面
公开(公告)号：JP2006095667A
公开(公告)日：2006-04-13
申请号：JP2004288200
申请日：2004-09-30
申请人： Makita Corp , 株式会社マキタ
发明人： NUMATA FUMITOSHI , NINAGAWA SATOSHI , KOIKE YOICHIRO
IPC分类号： B24B55/02 , B24B23/00 , B24B55/12
摘要： PROBLEM TO BE SOLVED: To effectively prevent damage of an internal component in a housing and degradation of workability due to water injected to a polishing part.
SOLUTION: A cover 16 is provided on a semicircular dish-shaped part 19 for covering the rear part of a pad 5 in a non-contact state in a gear housing of a polisher 1. Passage parts 22, 22, which are made to communicate with the inside of the dish-shaped part 19 by a through-hole 25 and laterally opened, are symmetrically and continuously provided to the rearmost position of the dish-shaped part 19 of the cover 16. When polishing work is executed by inclining the pad 5 rearward or setting the pad 5 vertically, the water injected to the polishing part from a water injection path 13 of a spindle 4 can be prevented from intruding into the body housing 2 side by discharging the water to the outside from the lateral passage parts 22, 22 after receiving the water with the rear wall part 21a at the dish-shaped part 19.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：有效地防止壳体内部部件的损坏，以及由于注入到抛光部件中的水而引起的加工性的劣化。解决方案：盖16设置在半圆形盘形部分19上，用于在抛光机1的齿轮箱中以非接触状态覆盖垫5的后部。通道部分22,22是通过通孔25与餐具形状部分19的内部连通并横向打开，对称地连续地设置在盖16的碟形部分19的最后位置。当抛光工作由向后倾斜垫5或垂直设置垫5，可以防止从主轴4的注水路径13喷射到抛光部分的水通过从外侧排出水而侵入到主体外壳2侧通过部件22,22在餐具形状部分19的后壁部分21a接收水之后。（C）2006年，JPO＆NCIPI

9. 发明专利

JP2005193343A Power tool 有权
标题翻译：电动工具
公开(公告)号：JP2005193343A
公开(公告)日：2005-07-21
申请号：JP2004003362
申请日：2004-01-08
申请人： Makita Corp , 株式会社マキタ
发明人： NUMATA FUMITOSHI , SUNATSUKA AKIRA
IPC分类号： B24B23/02 , B25F5/00 , B25F5/02
CPC分类号： B24B23/028 , B25F5/008 , B25F5/02
摘要： PROBLEM TO BE SOLVED: To provide an effective cooling technique for further improving a cooling effect of a power tool.
SOLUTION: This power tool is provided with a driving motor 201, a working tool 313 for performing a prescribed machining work for a workpiece, a power transmitting part 301 for transmitting an output of the driving motor 201 to the working tool 313, a tool main body 103 for storing the driving motor 201 and the power transmitting part 301 and a cooling fan 217 arranged in the tool main body 103. The tool main body 103 is provided with a first cooling air circulating passage 299 for circulating cooling air into the tool main body 103 via the cooling fan 217 and second cooling air circulating passages 231 and 233 for taking in outside air by a flow of cooling air of the first cooling air circulating passage 299 and mixing the outside air with the cooling air.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了进一步提高电动工具的冷却效果，提供有效的冷却技术。解决方案：该电动工具设有驱动电机201，用于对工件进行规定的加工工作的加工工具313，用于将驱动电动机201的输出传递到作业工具313的动力传递部301，用于存储驱动电动机201和动力传递部分301的工具主体103以及布置在工具主体103中的冷却风扇217.工具主体103设置有用于将冷却空气循环进入的第一冷却空气循环通道299 工具主体103通过冷却风扇217和第二冷却空气循环通道231和233，用于通过第一冷却空气循环通道299的冷却空气流吸入外部空气并将外部空气与冷却空气混合。版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2014000617A Water injection type power tool 审中-公开
标题翻译：水注射式电动工具
公开(公告)号：JP2014000617A
公开(公告)日：2014-01-09
申请号：JP2012136103
申请日：2012-06-15
申请人： Makita Corp , 株式会社マキタ
发明人： NUMATA FUMITOSHI , ARAI KOJI
IPC分类号： B24B23/02 , B24B55/02
摘要： PROBLEM TO BE SOLVED: To provide a water injection type power tool preventing water from being sucked from an air window and preventing burning of a motor.SOLUTION: A water injection type power tool includes a fan F which projects a spindle disposed in parallel with an output shaft of a motor M and rotationally transmitted from the output shaft from housings 2 and 3 housing the motor M and is mounted on the output shaft to cool the motor M, and a disk-shaped tool 24 mounted in the spindle to perform polishing of a material to be polished. The water injection type power tool is a water injection sander 1 capable of injecting water to the disk-shaped tool 24 by forming an air window introducing cooling air by the fan F into the housings 2 and 3 on rear surfaces of the housings 2 and 3. A cover member 30 is mounted in each of the housings 2 and 3 to cover the air window from the outside with a gap and cover an outer peripheral surface with a gap by being formed to go around the outside of an outer peripheral surface of each housing 2 and 3 from the outside.
摘要翻译：要解决的问题：提供一种防止水从空气窗口吸入并防止电动机燃烧的注水式电动工具。解决方案：一种注水式电动工具，包括：风扇F，其将与马达M的输出轴，并且从容纳马达M的壳体2和3从输出轴旋转传递并安装在输出轴上以冷却马达M;以及盘形工具24，其安装在主轴中以执行抛光要抛光的材料注水式电动工具是一种能够通过形成将风扇F的冷却空气引入壳体2和3后表面上的壳体2和3中的空气窗口将水注入盘形工具24的喷水砂光机1。在每个壳体2和3中安装有盖构件30，以从外部间隙地覆盖空气窗，并且通过形成为围绕每个的外周面的外侧而形成有间隙的外周面住房2和3从外面。

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