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31. 发明专利

JP2013144351A Grinder 有权
标题翻译：磨床
公开(公告)号：JP2013144351A
公开(公告)日：2013-07-25
申请号：JP2012262330
申请日：2012-11-30
申请人： Makita Corp , 株式会社マキタ
发明人： IKUTA HIRONORI
IPC分类号： B24B23/02 , B24B55/05
CPC分类号： B24B55/052 , B24B23/028
摘要： PROBLEM TO BE SOLVED: To provide a technology on a rational installation structure of a wheel cover.SOLUTION: A grinder includes a body having an annular part 62, a wheel cover installable in the annular part 62, and a wheel cover holding member 60 for fixedly holding the wheel cover to the annular part 62. The wheel cover has an annular cylinder 42 installed in the annular part 62. The wheel cover holding member has a slide member 71 engaged with the cylinder 42 and a pressing part 91 for moving the slide member 71. The pressing part 91 is constituted for switching an engaging state of making the cylinder part 42 engaged with the slide member 71 and an engagement releasing state of releasing the engagement of the cylinder 42 and the slide member 71 by moving the slide member 71. The pressing part 91 is constituted for linearly moving on a second straight line separated from a first straight line passing through the center of the cylinder 42 in the predetermined direction and parallel to the first straight line.
摘要翻译：要解决的问题：提供一种轮盖合理安装结构的技术。解决方案：研磨机包括具有环形部分62的主体，可安装在环形部分62中的轮罩，以及用于将车轮罩固定在环形部分62上。车轮盖具有安装在环形部分62中的环形汽缸42.车轮盖保持件具有与汽缸42接合的滑动件71和用于移动车架的按压部分91 按压部91构成为切换使与滑动部件71卡合的气缸部42的卡合状态和通过移动滑动部件71来解除气缸42与滑动部件71的卡合的卡合解除状态按压部91构成为在与沿着规定方向通过圆筒42的中心的第一直线分开的第二直线上线性地移动，并且平行到第一条直线。

32. 发明专利

JP2013094904A Working tool 审中-公开
标题翻译：工作工具
公开(公告)号：JP2013094904A
公开(公告)日：2013-05-20
申请号：JP2011240444
申请日：2011-11-01
申请人： Makita Corp , 株式会社マキタ
发明人： IKUTA HIRONORI , NUMATA FUMITOSHI
IPC分类号： B24B45/00 , B24B23/00 , B25F5/00
CPC分类号： B24B23/04 , B24B45/006
摘要： PROBLEM TO BE SOLVED: To provide an excellent technology concerning to the attachment/detachment of a clamp member holding a tip tool.SOLUTION: The electric vibratory tool 100 has a spindle 120, a clamp shaft 123 capable of being mounted to and removed from the spindle 120, and a clamp shaft holding member 130 disposed between the spindle 120 and the clamp shaft 123 and affixing the clamp shaft 123 to the spindle 120 by being screwed to the clamp shaft 123. The electric vibratory tool 100 drives a blade 200 held by the spindle 120 by the clamping action of the clamp shaft 123. The clamp shaft holding member is configured so that the clamp shaft holding member 130 can rotate relative to the spindle 120, and the relative rotation of the clamp shaft holding member 130 permits the removal of the clamp shaft 123.
摘要翻译：要解决的问题：提供一种用于夹持尖端工具的夹紧构件的安装/拆卸的优良技术。解决方案：电动振动工具100具有主轴120，能够安装到主轴120并从主轴120移除的夹紧轴123以及设置在主轴120和夹紧轴123之间的夹紧轴保持部件130，夹紧轴123通过螺纹连接到夹紧轴123而旋转到主轴120.电动振动工具100通过夹紧轴123的夹紧动作来驱动由主轴120保持的叶片200.夹紧轴保持构件使得夹紧轴保持构件130可以相对于心轴120旋转，并且夹紧轴保持构件130的相对旋转允许移除夹紧轴123.（C）2013，JPO和INPIT

33. 发明专利

JP2013043263A Working tool 有权
标题翻译：工作工具
公开(公告)号：JP2013043263A
公开(公告)日：2013-03-04
申请号：JP2011184189
申请日：2011-08-25
申请人： Makita Corp , 株式会社マキタ
发明人： IKUTA HIRONORI , SUNABE HIKARU
IPC分类号： B25F5/00 , B24B23/02 , F16H25/12 , F16H35/10
CPC分类号： B25B23/141 , B25D16/003 , B25D2250/165 , F16D7/08
摘要： PROBLEM TO BE SOLVED: To provide a technology related to a high-performance torque limiter.SOLUTION: The torque limiter 210 has a second bevel gear 211, a spindle 213, a flange 212 to which the torque of the second bevel gear 211 is transmitted, and a plurality of balls 214 which are interposed between the second bevel gear 211 and the flange 212. The balls 214 are positioned in a first region, and the second bevel gear 211, the balls 214 and the flange 212 rotate integrally thereby transmitting torque to the flange 212. On the other hand, in the case that the torque of not lower than a specified value acts on the spindle 213, relative rotation is generated between the second bevel gear 211 and the flange 212, and the balls 214 move from the first region to the second region while rotating by the relative rotation, thus they are positioned in the second region, whereby they regulate torque transmitted from the second bevel gear 211 to the flange 212, thereby regulating the torque acting on the spindle 213.
摘要翻译：要解决的问题：提供与高性能扭矩限制器有关的技术。解决方案：扭矩限制器210具有第二伞齿轮211，主轴213，第二伞齿轮211的扭矩传递到其上的凸缘212以及插入在第二锥齿轮之间的多个滚珠214 211和凸缘212.滚珠214定位在第一区域中，并且第二锥齿轮211，滚珠214和凸缘212一体地旋转，从而将扭矩传递到凸缘212.另一方面，在不小于指定值的扭矩作用在主轴213上，在第二锥齿轮211和凸缘212之间产生相对旋转，并且滚珠214通过相对转动旋转从第一区域移动到第二区域，因此它们被定位在第二区域中，由此它们调节从第二锥齿轮211传递到凸缘212的扭矩，从而调节作用在主轴213上的扭矩。（C）2013，JPO和INPIT

34. 发明专利

JP2012135842A Power tool 审中-公开
标题翻译：电动工具
公开(公告)号：JP2012135842A
公开(公告)日：2012-07-19
申请号：JP2010290446
申请日：2010-12-27
申请人： Makita Corp , 株式会社マキタ
发明人： IKUTA HIRONORI , UKAI TOMOHIRO , MATSUURA YUTA , NISHIO YOSUKE
IPC分类号： B25B23/157 , B25B21/00
CPC分类号： B25B21/00 , B25F5/001
摘要： PROBLEM TO BE SOLVED: To provide a power tool which contributes to improvement in miniaturization of a tool body.SOLUTION: When a tool bit 119 is not pressed against a workpiece, the power transmitting mechanism 131 is held in a power transmission interrupted state in which torque of a driving-side member 135 is not transmitted to a driven-side member 139, and when the tool bit 119 is pressed against the workpiece, the power transmitting mechanism is held in an operation state in which the tool bit 119 moves together with the driven-side member 139 in an axial direction of the tool bit so that the driven-side member 139 receives the torque from the driving-side member 135 and the tool bit 119 is driven. Tapers 146, 147 are provided between the driving-side member 135 and the driven-side member 139 and inclined with respect to the axial direction of the tool bit 119. When the driven-side member 135 moves in the axial direction of the tool bit, frictional force is caused on the tapers 146, 147 and the torque of the driving-side member 135 is transmitted to the driven-side member 139 by the frictional force.
摘要翻译：要解决的问题：提供一种有助于改善工具体的小型化的电动工具。解决方案：当工具钻头119未被压在工件上时，动力传递机构131保持在驱动侧构件135的扭矩不被传递到从动侧构件139的动力传递中断状态当工具钻头119被压靠在工件上时，动力传递机构被保持在工具钻头119沿着从动侧构件139沿工具轴的轴向移动的操作状态，从而驱动侧构件139从驱动侧构件135接收扭矩并且驱动工具钻头119。在驱动侧构件135和从动侧构件139之间设置有锥形件146,147，并且相对于工具头119的轴向倾斜。当从动侧构件135沿工具头的轴向移动时在锥形部146,147上产生摩擦力，驱动侧部件135的转矩通过摩擦力传递到从动侧部件139。版权所有（C）2012，JPO＆INPIT

35. 发明专利

JP2011104765A Shock absorbing mechanism for gear train 有权
标题翻译：齿轮减速机构
公开(公告)号：JP2011104765A
公开(公告)日：2011-06-02
申请号：JP2010174541
申请日：2010-08-03
申请人： Makita Corp , 株式会社マキタ
发明人： IKUTA HIRONORI
IPC分类号： B24B23/00 , B24B23/02 , B25F5/00
CPC分类号： B24B23/028 , B23Q5/56 , B24B47/12 , B24B47/28 , B25F5/001 , B25F5/006 , Y10T74/19633
摘要： PROBLEM TO BE SOLVED: To improve assembly property and durability of a shock absorbing mechanism, since there is a problem wherein assembly properties and durability are impaired because a small elastic part is interposed between a driven gear and a driven shaft in such a way as to provide a shock absorbing action in a rotational direction, in a shock absorbing mechanism for absorbing gear engagement shocks generated by starting or stopping of an electric motor, for example, in the case of a speed reduction gear train for a disc grinder. SOLUTION: The shock absorbing mechanism is configured so as to absorb the shock in such a way that by means of relative rotation between the driven gear 12 and the driven shaft 13, this relative rotation being caused by rotational power during engagement, steel balls 21, 21 are made to undergo displacement in a diameter expansion direction, and that thereby an axial displacement member 22 is made to undergo axial displacement in resistance against an axial elastic member 23. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题为了提高冲击吸收机构的组装性和耐久性，由于存在由于在从动齿轮和从动轴之间插入有小的弹性部件而导致组装性能和耐久性受损的问题例如在用于盘式磨碎机的减速齿轮系的情况下，在用于吸收由电动机的启动或停止产生的齿轮啮合冲击的减震机构中，在旋转方向上提供减震作用。解决方案：冲击吸收机构被构造成以这样的方式吸收冲击，即通过从动齿轮12和从动轴13之间的相对旋转，这种相对旋转是由接合期间的旋转动力引起的，钢使球21,21在直径膨胀方向上发生位移，从而使轴向位移构件22抵抗轴向弹性构件23产生轴向位移。版权所有（C）2011，JPO＆INPIT

36. 发明专利

JP2009208208A Working tool 有权
标题翻译：工作工具
公开(公告)号：JP2009208208A
公开(公告)日：2009-09-17
申请号：JP2008055214
申请日：2008-03-05
申请人： Makita Corp , 株式会社マキタ
发明人： IKUTA HIRONORI , NAKAMURA MAKOTO , SUGIYAMA YOSHIO
IPC分类号： B25D17/24
摘要： PROBLEM TO BE SOLVED: To provide a technique that contributes to improving an assembling property of a damping mechanism in a hammering tool.
SOLUTION: The hammering tool includes: a motor 111 for driving a tool bit 119; a tool body 103 in which the motor 111 is housed; a dynamic damper body part 151 for damping the tool body 103 during hammering work; and a compulsorily driving mechanism part 171 driven by the motor 111 during hammering work, for compulsorily driving this dynamic damper body part 151 by adding external force other than a vibration of the tool body 103 to the dynamic damper body part 151, wherein at least one of the dynamic damper body part 151 and the compulsorily driving mechanism part 171 is assembled into the tool body 103 in a previously combined state of at least one of a plurality of constituent members constituting the dynamic damper body part 151 and a plurality of constituent members constituting the compulsorily driving mechanism part 171, namely as assembly bodies A1 and A2.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种有助于提高锤击工具中的阻尼机构的组装性能的技术。解决方案：锤击工具包括：用于驱动刀头119的马达111; 容纳电动机111的工具主体103; 用于在锤击作业期间阻尼工具主体103的动态阻尼器主体部分151; 以及在锤击作业期间由马达111驱动的强制驱动机构部分171，通过将除工具主体103的振动以外的外力加到动力阻尼器本体部151上来强制驱动该动态阻尼器主体部151，其中至少一个动力阻尼器主体部151和强制驱动机构部171以构成动力阻尼器主体部151的多个构成构件中的至少一个和构成动力阻尼器主体部151的多个构成构件的预先组合状态组装到工具主体103中强制驱动机构部分171，即组装体A1和A2。版权所有（C）2009，JPO＆INPIT

37. 发明专利

JP2008161944A Hammering tool 有权
标题翻译：锤子工具
公开(公告)号：JP2008161944A
公开(公告)日：2008-07-17
申请号：JP2006350479
申请日：2006-12-26
申请人： Makita Corp , 株式会社マキタ
发明人： IKUTA HIRONORI
IPC分类号： B25D9/04
摘要： PROBLEM TO BE SOLVED: To provide technology contributed to avoidance of collision of a driving element and a hammering element on a hammering tool.
SOLUTION: This hammering tool has a tool bit 119, the hammering element 143 having a hammering part 143a to hammer the tool bit 119 and a cylinder part 143b integrally formed with the hammering part 143a, the driving element 129 inserted into the cylinder part 143b free to slide, an inside space 143c surrounded by the hammering element 143 and the driving element 129 and a surplus space C remained in a state making contact with a wall surface of the inside space 143c against a head end of which a head end of the driving element 129 faces and hammers the tool bit 119 by moving the hammering element 143 through compressed air in the inside space 143c as the driving element 129 slides. Additionally, it is constituted so that the maximum pressure of the surplus space C when compression work is computed as an isothermal change becomes higher than the maximum pressure generated in the inside space 143c in processing work concerning the compression work of the inside space 143c by sliding of the driving element 129.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供有助于避免驱动元件和锤击元件在锤击工具上的碰撞的技术。解决方案：该锤击工具具有工具钻头119，锤击元件143具有用于锤击刀头119的锤击部143a和与锤击部143a一体形成的缸部143b，驱动元件129插入缸部分143b自由滑动，由锤击元件143和驱动元件129围绕的内部空间143c和剩余空间C保持在与内部空间143c的壁表面接触的状态，头部端部具有头端驱动元件129通过在驱动元件129滑动时通过压缩空气在内部空间143c中移动锤击元件143来面对并锤击工具钻头119。另外，构成为：当作为等温变化而计算压缩作用时的剩余空间C的最大压力变得高于通过滑动对内部空间143c的压缩作用的加工工作中在内部空间143c中产生的最大压力驱动元件129.版权所有（C）2008，JPO＆INPIT

38. 发明专利

JP2007326168A Work tool 有权
标题翻译：工作工具
公开(公告)号：JP2007326168A
公开(公告)日：2007-12-20
申请号：JP2006158581
申请日：2006-06-07
申请人： Makita Corp , 株式会社マキタ
发明人： IKUTA HIRONORI
IPC分类号： B25D16/00 , B23B45/00
摘要： PROBLEM TO BE SOLVED: To provide a technique for stabilizing an actuation torque of a torque limiter in a work tool having a torque limiter.
SOLUTION: The work tool 101 has a tip tool 119, a motor 111, and a drive mechanism 117. The drive mechanism 117 has a torque limiter 151 which transmits a torque of the motor to the tip tool 119 under a condition that the torque acting on the tip tool 119 is lower than a predetermined set value, and shields transmission of the torque when a torque exceeding the set value acts on the tip tool 119. An elastic member deciding the transmission torque of the torque limiter 151 is constituted of a plurality of plate springs 159 overlaid in such a manner that axial edges 159b of an elastic deformation part 159a are parallely opposed to each other. A parallel condition maintaining part 173 maintaining a parallel condition of axial edges of a plurality of the leaf springs 159 even when one of a plurality of the leaf springs 159 is relatively displaced to other leaf spring 159 in a radial direction, is provided to the overlaid part of a plurality of the leaf springs.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于在具有扭矩限制器的工作工具中稳定扭矩限制器的致动转矩的技术。解决方案：作业工具101具有尖端工具119，电动机111和驱动机构117.驱动机构117具有转矩限制器151，该转矩限制器151将电动机的转矩传递到尖端工具119，条件是作用在前端工具119上的扭矩低于预定的设定值，并且当超过设定值的扭矩作用在顶端工具119上时，屏蔽扭矩的传递。构成扭矩限制器151的传递扭矩的弹性构件多个板簧159以使得弹性变形部159a的轴向边缘159b彼此平行地相对的方式重叠。即使当多个板簧159中的一个在径向方向上相对移位到另一个板簧159时，平行条件保持部173保持多个板簧159的轴向边缘的平行状态，多个板簧的一部分。版权所有（C）2008，JPO＆INPIT

39. 发明专利

JP2017113863A 打撃工具审中-公开
公开(公告)号：JP2017113863A
公开(公告)日：2017-06-29
申请号：JP2015254996
申请日：2015-12-25
申请人：株式会社マキタ , Makita Corp
发明人： IKUTA HIRONORI , SUNABE HIKARU
IPC分类号： B25D17/24 , B25D17/04
CPC分类号： B25D11/005 , B25D17/043 , B25D17/24 , B25D2217/0076 , B25D2250/201 , B25D2250/221
摘要：【課題】非押圧状態における振動を低減させるための一層合理的な技術を提供する。【解決手段】電動ハンマ100は、工具ビット119の駆動機構160と、移動可能なウェイトを備える振動抑制機構190と、電動モータ110の駆動制御を行うコントローラ112とを有し、コントローラ112は、使用者が工具ビット119を被加工材に押圧した押圧状態にあっては、電動モータ110を第1回転数にて駆動させ、使用者が工具ビット119を被加工材に押圧していない非押圧状態にあっては、電動モータ110を第1回転数より低い第2回転数にて駆動する。【選択図】図1

40. 发明专利

JP2015058517A 作業工具有权
标题翻译：工作工具
公开(公告)号：JP2015058517A
公开(公告)日：2015-03-30
申请号：JP2013194717
申请日：2013-09-19
申请人：株式会社マキタ , Makita Corp
发明人： IKUTA HIRONORI
IPC分类号： B25B21/00 , B25F5/00
摘要：【課題】モータの回転を先端工具に対して合理的に伝達するための技術を提供する。【解決手段】モータ110と駆動機構120とを有するスクリュードライバ100が構成される。駆動機構120は、駆動ギア125、スピンドル150、ローラ141、リテーナ130を有している。モータ110の出力軸111が第1方向に回転する際には、工具ビット119が押圧されてスピンドル150が後方に移動することで、出力軸111の回転が工具ビット119に伝達される。一方、出力軸111が第2方向に回転する際には、工具ビット119が押圧されることなく、出力軸111の回転が工具ビット119に伝達される。【選択図】図2
摘要翻译：要解决的问题：提供一种将电动机的旋转合理地传递到尖端工具的技术。解决方案：形成具有电机110和驱动机构120的螺丝刀驱动器100。驱动机构120包括：驱动齿轮125; 主轴150; 辊141; 和保持器130.当马达110的输出轴111沿第一方向旋转时，工具钻头119被按压并且主轴150向后移动以将输出轴111的旋转传递到工具钻头119.当输出轴111沿第二方向旋转，螺钉驱动器100允许输出轴111的旋转传递到工具位119而不按压工具钻头119。

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