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1. 发明专利

JP2012125897A Orbital sander 审中-公开
标题翻译： ORBITAL SANDER
公开(公告)号：JP2012125897A
公开(公告)日：2012-07-05
申请号：JP2010280698
申请日：2010-12-16
申请人： Makita Corp , 株式会社マキタ
发明人： SUGITA FUMIHIDE , HAGIWARA KOICHI , AOKI YONOSUKE , SUNATSUKA AKIRA , NAKANE YASUMASA , FUJIMATSU NAOKI
IPC分类号： B24B23/04
摘要： PROBLEM TO BE SOLVED: To reduce overall size by preventing a balancer from protruding in the radial direction.SOLUTION: In an orbital sander 1, a body 2 including a motor 3 is provided with a spindle 7 that is rotatable by driving the motor 3 and an eccentric shaft 7A that is positioned eccentrically with respect to the center of rotation of the spindle 7 and that performs circular orbital motion along with rotation of the spindle 7, and a portion of the eccentric shaft 7A that projects downward from the body 2 is provided with a base 5 coupled via two bearings that are upper and lower bearings 18, 15 and a balancer 29 projecting to a side opposite the side of eccentricity of the eccentric shaft 7A. The balancer 29 is coupled to the eccentric shaft 7A at a position above the ball bearing 15, and the balancer 29 projects downward such that the lower end of an outer member 32 is positioned between the center of the ball bearing 15 and the lower surface of the base 5 in the up-down direction.
摘要翻译：要解决的问题：通过防止平衡器在径向方向上突出来减小总体尺寸。解决方案：在轨道砂光机1中，包括马达3的主体2设置有通过驱动马达3可旋转的主轴7和相对于旋转中心的偏心定位的偏心轴7A 主轴7并且随着主轴7的旋转而进行圆周轨道运动，并且偏心轴7A的从主体2向下突出的部分设置有经由两个轴承联接的基座5，该轴承是上轴承18和下轴承15 以及在与偏心轴7A的偏心侧相反的一侧突出的平衡器29。平衡器29在滚珠轴承15上方的位置处联接到偏心轴7A，平衡器29向下突出，使得外部构件32的下端位于滚珠轴承15的中心和下游表面之间基座5在上下方向。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2013078823A Power tool and method of manufacturing the same 审中-公开
标题翻译：电动工具及其制造方法
公开(公告)号：JP2013078823A
公开(公告)日：2013-05-02
申请号：JP2011219958
申请日：2011-10-04
申请人： Makita Corp , 株式会社マキタ
发明人： FUJIMATSU NAOKI , SUNATSUKA AKIRA , TAKAHASHI TAKESHI
IPC分类号： B24B23/00 , B25F5/00
CPC分类号： B24B23/00 , B24B23/02 , B24B41/007 , B25F5/00 , F16F15/363
摘要： PROBLEM TO BE SOLVED: To provide a ball balancer technology for smooth ball action.SOLUTION: A grinder includes a spindle 202 on which a grindstone is installed, and a ball balancer 400 that rotates integrally with the spindle 202. The ball balancer 400 is provided with a plurality of balls 402 and a groove 405 that turnably holds the plurality of balls 402 around the spindle 202. The groove 405 is filled with lubricant. The filling rate X of the lubricant with respect to the volume of the groove 405 and a value μ, corresponding to the viscosity of the lubricant, satisfy the following numerical expression.
摘要翻译：要解决的问题：提供球平衡器技术，用于平稳的球动作。解决方案：研磨机包括安装磨石的主轴202和与主轴202一体旋转的球平衡器400.球平衡器400设置有多个滚珠402和凹槽405，凹槽405可转动地保持围绕主轴202的多个球402.凹槽405填充有润滑剂。润滑剂相对于槽405的体积的填充率X和对应于润滑剂的粘度的值μ满足以下数值表达式。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2012125896A Orbital sander 有权
标题翻译： ORBITAL SANDER
公开(公告)号：JP2012125896A
公开(公告)日：2012-07-05
申请号：JP2010280697
申请日：2010-12-16
申请人： Makita Corp , 株式会社マキタ
发明人： SUGITA FUMIHIDE , HAGIWARA KOICHI , AOKI YONOSUKE , SUNATSUKA AKIRA , NAKANE YASUMASA , FUJIMATSU NAOKI
IPC分类号： B24B23/04
摘要： PROBLEM TO BE SOLVED: To reduce vibration by effectively suppressing inclination between an eccentric shaft and a base due to orbital motion of the base.SOLUTION: In an orbital sander 1, a body 2 including a motor 3 is provided with a spindle 7 rotated by driving the motor 3 and the eccentric shaft 7A located at an eccentric position from the center of rotation of the spindle 7 and performing a circular orbital motion along with rotation of the spindle 7, the eccentric shaft 7A projecting downward from the body 2 is provided with a base 5 coupled via two upper and lower ball bearings 14 and 15, and a balancer 23 projecting to the opposite side of the eccentric side. A center of gravity P of the base 5 is set between the two upper and lower ball bearings 14 and 15.
摘要翻译：要解决的问题：通过有效地抑制由于基座的轨道运动引起的偏心轴和基座之间的倾斜来减少振动。解决方案：在轨道式砂磨机1中，包括马达3的主体2设置有通过驱动马达3和偏心轴7A旋转的主轴7，该偏心轴7A位于从主轴7的旋转中心偏心的位置，与主轴7的旋转一起进行圆周轨道运动，从主体2向下突出的偏心轴7A设置有经由两个上，下滚珠轴承14和15相连接的基座5以及向相对侧突出的平衡器23 的偏心边。底座5的重心P设置在两个上下滚珠轴承14和15之间。版权所有：（C）2012，JPO＆INPIT

4. 发明专利

JP2012086342A Power tool 有权
标题翻译：电动工具
公开(公告)号：JP2012086342A
公开(公告)日：2012-05-10
申请号：JP2010237650
申请日：2010-10-22
申请人： Makita Corp , 株式会社マキタ
发明人： OMURA MOTOHIRO , SUNATSUKA AKIRA , TORIHARA MASAYOSHI
IPC分类号： B25F5/00
摘要： PROBLEM TO BE SOLVED: To prevent or reduce vibration and noise caused in a power transmission mechanism of a power tool.SOLUTION: The power tool includes: a tool; a prime mover driving the tool; the power transmission mechanism provided between the tool and prime mover and connecting two rotary shafts thereof with each other; a first measuring means measuring a physical amount of the rotary shaft positioned on a driven side in relation to the power transmission mechanism; a second measuring means measuring a physical amount of the rotary shaft positioned on a driving side in relation to the power transmission mechanism; and a control means controlling the prime mover according to the physical amount measured by the first and second measuring means.
摘要翻译：要解决的问题：防止或减少电动工具的动力传递机构引起的振动和噪音。电动工具包括：工具; 驱动该工具的原动机; 所述动力传递机构设置在所述工具和所述原动机之间并将其两个旋转轴彼此连接; 第一测量装置，其相对于动力传递机构测量位于从动侧的旋转轴的物理量; 第二测量装置，其相对于动力传递机构测量位于驱动侧的旋转轴的物理量; 以及根据由第一和第二测量装置测量的物理量来控制原动机的控制装置。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2007007832A Power tool 有权
标题翻译：电动工具
公开(公告)号：JP2007007832A
公开(公告)日：2007-01-18
申请号：JP2005195218
申请日：2005-07-04
申请人： Makita Corp , 株式会社マキタ
发明人： NAKAJIMA KEIJI , TAWARA TAKAYUKI , TAKEUCHI HAJIME , SUNATSUKA AKIRA
IPC分类号： B25F5/02
CPC分类号： B25D17/24 , B25D2222/57
摘要： PROBLEM TO BE SOLVED: To provide a technique contributing to suppression of vibration generated when rotating a motor in a power tool.
SOLUTION: This power tool has a tool body 103, a distal end tool 119 arranged in a distal end region of the tool body 103, a grip 109 connected on the opposite side of the distal end tool 119 of the tool body 103, the motor 111 stored in the tool body 103 to drive the distal end tool 119, bearings 151 and 153 on the distal end tool side and the grip side to rotatably support a rotary shaft of the motor 111, a distal end tool side bearing storing part 152 for storing the bearing on the distal end tool side, a grip side bearing storing part 157 provided in an extended state in the axial direction of the motor 111 from the grip side end part of the tool body 103 toward the grip side to store the bearing on the grip side, and a ring-shaped member 159 arranged in a loosely fitting state on an outer periphery of the grip side bearing storing part 157. The grip 109 has a cover region 163a for covering the grip side bearing storing part 157 and supports the extended end part region of the grip side bearing storing part 157 via an elastic body 167 in the cover region 163a.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种有助于抑制在电动工具中旋转电动机时产生的振动的技术。解决方案：该电动工具具有工具主体103，设置在工具主体103的远端区域中的远端工具119，连接在工具主体103的远端工具119的相对侧上的把手109 ，存储在工具主体103中以驱动远端工具119的电动机111，远端工具侧和把手侧的轴承151和153可旋转地支撑电动机111的旋转轴，远端工具侧轴承存储用于将轴承存储在远端工具侧的部分152，从工具主体103的握持侧端部朝向抓握侧沿电动机111的轴向延伸设置的抓握侧轴承保持部157，以存储夹持侧的轴承以及处于松动配合状态的手柄侧轴承保持部157的外周配置的环状部件159.把手109具有用于覆盖把持侧轴承保持部157的盖部163a 并支撑g的延伸端部区域通过覆盖区域163a中的弹性体167撕开侧轴承存储部157。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2014210299A ハンドル有权
标题翻译：处理
公开(公告)号：JP2014210299A
公开(公告)日：2014-11-13
申请号：JP2013086962
申请日：2013-04-17
申请人：株式会社マキタ , Makita Corp
发明人： KUTSUNA TOMOYUKI , SUNATSUKA AKIRA , MACHIDA YOSHITAKA , ITO MASAHIRO
IPC分类号： B25F5/02 , B25D17/04 , B25D17/24
CPC分类号： B25D17/043 , B25D17/24 , B25D2222/57 , B25F5/006 , B25F5/02 , B25F5/026
摘要：【課題】防振性と操作性の両立を図る上で有効なハンドルを提供する。【解決手段】動力工具150の工具本体151に取り付けられるハンドル100であって、把持部120と、工具本体151に接続する接続部110と、把持部120と接続部110の間に形成される弾性要素介在領域S1,S2と、弾性要素介在領域S1,S2に配置された弾性要素130と、把持部120と接続部110の間に形成される粉体充填領域S3と、粉体充填領域S3に充填された複数の粉体140を有する。【選択図】図1
摘要翻译：要解决的问题：提供一种在隔振性能和可操作性之间达到平衡的手柄。解决方案：安装到电动工具150的工具主体151上的把手100包括：保持部分120; 与工具主体151连接的连接部110; 弹性元件包括形成在保持部120和连接部110之间的区域S1，S2; 弹性元件130设置在弹性元件中，包括区域S1，S2; 形成在保持部120和连接部110之间的粉体填充区域S3; 以及填充在粉体填充区域S3中的多个粉体体140。

7. 发明专利

JP2014121283A Portable work machine 有权
标题翻译：便携式工作机
公开(公告)号：JP2014121283A
公开(公告)日：2014-07-03
申请号：JP2012278636
申请日：2012-12-20
申请人： Makita Corp , 株式会社マキタ
发明人： SUNATSUKA AKIRA , KUTSUNA TOMOYUKI , KATO YUYA , ITO MASAHIRO
IPC分类号： A01D34/68
CPC分类号： A01D34/902 , B25F5/006 , B25F5/02
摘要： PROBLEM TO BE SOLVED: To provide a portable work machine, in which the vibration of an engine 3 is suppressed.SOLUTION: A portable work machine comprises: an operation rod 2; an engine 3 attached to the operation rod 2; a vibration-preventing housing 7; and a first elastic member 51 interposed between the vibration-preventing housing 7 and the operation rod 2 for attaching the vibration-preventing housing 7 to the operation rod 2. The first elastic member 51 is clamped from both sides in the longitudinal direction of the operation rod 2 between a holder 5 or a clutch case 6 attached to the operation rod 2 and the vibration-preventing housing 7 so that both end faces in the longitudinal direction of the operation rod 2 oppose a contract face 24 (19) of a member attached to the operation rod 2 and a contact face 29 (30) of the vibration-preventing housing 7. At least one of both end faces of the first elastic member 51, the contact face 24 (19) of a member attached to the operation rod 2, and the contact face 29 (30) of the vibration-preventing housing 7 is formed into an irregular shape in the longitudinal direction of the operation rod 2.
摘要翻译：要解决的问题：提供一种便携式作业机械，其中发动机3的振动被抑制。解决方案：便携式作业机器包括：操作杆2; 安装在操作杆2上的发动机3; 防振外壳7; 以及插入在防振壳体7和用于将防振壳体7附接到操作杆2的操作杆2之间的第一弹性构件51.第一弹性构件51沿着操作的纵向方向从两侧夹紧杆2在安装到操作杆2的保持器5或离合器壳体6和防振壳体7之间，使得操作杆2的纵向方向上的两个端面与附接的构件的接合面24（19）相对到操作杆2和防振壳体7的接触面29（30）。第一弹性构件51的两个端面中的至少一个，附接到操作杆的构件的接触面24（19）如图2所示，防振壳体7的接触面29（30）在操作杆2的长度方向上形成为不规则形状。

8. 发明专利

JP2003311655A Power tool 审中-公开
标题翻译：电动工具
公开(公告)号：JP2003311655A
公开(公告)日：2003-11-05
申请号：JP2002124412
申请日：2002-04-25
申请人： Makita Corp , 株式会社マキタ
发明人： HYODO KOKI , SUZUKI HITOSHI , HARA YACHIO , FURUI NOBUYASU , OTA KENICHI , SUNATSUKA AKIRA
IPC分类号： B25F5/00 , H02K7/116 , H02K9/04
摘要： PROBLEM TO BE SOLVED: To provide a technique useful for effectively cooling a driving motor of a power tool.
SOLUTION: This power tool has a driving motor 121 for driving a work tool 129 for performing designated machining work for a workpiece material and a cooling fan 151 driven to rotate separately from the driving motor 121, thereby cooling the driving motor 121.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种有效地冷却电动工具的驱动电机的技术。解决方案：该电动工具具有驱动电动机121，用于驱动用于对工件材料进行指定加工的作业工具129和驱动与驱动电动机121分开旋转的冷却风扇151，从而冷却驱动电动机121。版权所有（C）2004，JPO

9. 发明专利

JP2013220493A Sander 审中-公开
标题翻译： SANDER
公开(公告)号：JP2013220493A
公开(公告)日：2013-10-28
申请号：JP2012092265
申请日：2012-04-13
申请人： Makita Corp , 株式会社マキタ
发明人： TAKAHASHI TAKESHI , SUNATSUKA AKIRA , NAKANE YASUMASA , FUJIMATSU NAOKI , HAGIWARA KOICHI
IPC分类号： B24B23/04
CPC分类号： B24B41/007 , B24B23/03
摘要： PROBLEM TO BE SOLVED: To provide a sander capable of restricting the vibration which occurs in a body.SOLUTION: An orbital sander 1 includes a base 3, which is horizontally and repetitively vibrated by the rotation of a motor and which includes a sanding paper 26, under a body 2 including the motor M, and polishes a polished material by pressing the sanding paper to the polished material. A suppressing means is provided so as to suppress transmission of the horizontally repetitive vibratory motion to the body. The suppressing means is structured of a tensioning member which energizes the body and the base into a direction wherein both the body and the base come close to each other. The tensioning member extends in the vertical direction, passing through both of the body and the base, and includes: a foot 31 including fall-out preventing members 33 and 33 for preventing a fall-out of the body and the base in both ends thereof; and O-rings 32 respectively interposed between one of the fall-out preventing members and the body and between the other of the fall-out preventing members and the base.
摘要翻译：要解决的问题：提供一种能够限制发生在身体中的振动的砂光机。解决方案：轨道砂光机1包括基座3，底座3通过马达的旋转水平地和重复地振动，并且包括砂纸26 在包括马达M的主体2下方，并通过将砂纸按压到抛光材料来抛光抛光材料。提供抑制装置，以便抑制向身体的水平重复的振动的传递。抑制装置由张紧构件构成，该张紧构件使身体和基部向主体和基部彼此靠近的方向通电。张紧构件沿垂直方向延伸穿过主体和底座两者，并且包括：脚31，其包括用于防止主体和底座在其两端的脱落的防脱出构件33和33 ; 以及分别设置在防脱落构件之一和主体之间以及另一个防脱出构件和基座之间的O形环32。

10. 发明专利

JP2012086343A Power tool 有权
标题翻译：电动工具
公开(公告)号：JP2012086343A
公开(公告)日：2012-05-10
申请号：JP2010237651
申请日：2010-10-22
申请人： Makita Corp , 株式会社マキタ
发明人： SUNATSUKA AKIRA , TORIHARA MASAYOSHI , OMURA MOTOHIRO
IPC分类号： B25F5/00
摘要： PROBLEM TO BE SOLVED: To prevent or reduce vibration or a noise generated in a power transmission mechanism of a power tool.SOLUTION: This power tool includes a tool, a prime mover for driving the tool, the power transmission mechanism provided between the tool and the prime mover, a first detecting means for detecting a rotational position of a rotary shaft connected to the power transmission mechanism, a second detecting means for detecting the vibration or the noise generated by the power transmission mechanism, and a control means for controlling the prime mover. The control means specifies the rotational position of the rotary shaft when the power transmission mechanism generates the vibration or the noise, using detection results detected by the first detecting means and the second detecting means. The prime mover is controlled thereby to conform to the timing when the power transmission mechanism generates the vibration or the noise.
摘要翻译：要解决的问题：防止或减少电动工具的动力传递机构中产生的振动或噪音。解决方案：该电动工具包括工具，用于驱动工具的原动机，设置在工具和原动机之间的动力传递机构，用于检测连接到动力的旋转轴的旋转位置的第一检测装置传动机构，用于检测由动力传递机构产生的振动或噪声的第二检测装置，以及用于控制原动机的控制装置。控制装置使用由第一检测装置和第二检测装置检测到的检测结果来确定当动力传递机构产生振动或噪声时旋转轴的旋转位置。控制原动机，以符合动力传递机构产生振动或噪音的时机。版权所有（C）2012，JPO＆INPIT

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