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1. 发明专利

JP2014087919A Impact tool 审中-公开
标题翻译： IMPACT工具
公开(公告)号：JP2014087919A
公开(公告)日：2014-05-15
申请号：JP2012240779
申请日：2012-10-31
申请人： Hitachi Koki Co Ltd , 日立工機株式会社
发明人： KOBE KUNIAKI , SATO SHINICHIRO
IPC分类号： B25D17/24
摘要： PROBLEM TO BE SOLVED: To provide an impact took capable of reducing a number of components for supporting a vibration reduction mechanism to a housing and being assembled easily.SOLUTION: A counter weight mechanism 60 includes: a plate spring 61; a counter weight 62; and a pair of rubber members 63. The plate spring 61 extends along a vertical direction. The counter weight 62 is supported by the plate spring 61. The pair of rubber members 63 are respectively integrally disposed so as to cover both ends of the vertical direction of the plate spring 61. An upper rubber member 63 is held in a cross direction by a first support part 16A and a fourth support part 31A and a lower rubber member 63 is held in a cross direction by a second support part 16B and a third support part 20B. The counter weight mechanism 60 is supported to a housing 2 by the rubber members 63 being supported by the first support part to the fourth support part 16A, 16B, 20B, 31A.
摘要翻译：要解决的问题：提供能够将多个用于支撑减振机构的部件减少到壳体并且容易组装的冲击。解决方案：平衡重机构60包括：板簧61; 配重62; 和一对橡胶构件63.板簧61沿着垂直方向延伸。配重62由板簧61支撑。一对橡胶构件63分别一体地设置成覆盖板簧61的垂直方向的两端。上橡胶构件63沿横向保持在横向上第一支撑部16A和第四支撑部31A以及下部橡胶构件63通过第二支撑部16B和第三支撑部20B沿横向保持。配重机构60通过由第一支撑部支撑到第四支撑部16A，16B，20B，31A的橡胶构件63支撑在壳体2上。

2. 发明专利

JP2011235367A Hammering tool 有权
标题翻译：锤子工具
公开(公告)号：JP2011235367A
公开(公告)日：2011-11-24
申请号：JP2010106528
申请日：2010-05-06
申请人： Hitachi Koki Co Ltd , 日立工機株式会社
发明人： KOBE KUNIAKI
IPC分类号： B25D17/08
摘要： PROBLEM TO BE SOLVED: To provide a hammering tool facilitating adjustment of a rotating direction position of a distal end tool.SOLUTION: The hammering tool includes: a first handle 53 which is provided to be non-rotatable and movable forward and backward in a retainer sleeve 52 mounted with the distal end tool 10 and is attached/detached the distal end tool 10; and a second handle 55 provided to be rotatable/movable forward and backward in a front cover 51 for rotatably holding the retainer sleeve 52 and controlling the propriety of rotation of the retainer sleeve 52 in relation to the front cover 51. The hammering tool engages the second handle 55 to the first handle 53 to be coaxially and integrally rotate with each other.
摘要翻译：要解决的问题：提供一种便于调节远端工具的旋转方向位置的锤击工具。锤击工具包括：第一手柄53，其设置成不可转动并且在安装有远端工具10的保持套52中可前后移动，并且将远端工具10连接/拆卸; 以及第二手柄55，其设置成在前盖51中可旋转/可向前和向后旋转，用于可旋转地保持保持器套筒52并且控制保持器套筒52相对于前盖51的旋转的适当性。锤击工具第二手柄55与第一手柄53同轴并且彼此一体地旋转。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2012166304A Hammering tool 有权
标题翻译：锤子工具
公开(公告)号：JP2012166304A
公开(公告)日：2012-09-06
申请号：JP2011029230
申请日：2011-02-14
申请人： Hitachi Koki Co Ltd , 日立工機株式会社
发明人： EBISAWA YUKI , HARADA MUTSUO , WATABIKI FUMIO , KOBE KUNIAKI
IPC分类号： B25D9/04
摘要： PROBLEM TO BE SOLVED: To provide a hammering tool capable of performing a stable hammering operation by eliminating a hammering failure during a low temperature.SOLUTION: This hammering tool 1 includes a piston 14 reciprocating in a cylinder 17 by driving force of a motor 31, and a striker 19 which is hammered via pressure variation of an air chamber 15 in the cylinder 17 by the piston 14 to transmit the hammering force to a distal end tool. In the hammering tool 1, a space in which the piston 14 and the striker 19 are stored is constituted as a sealed space by being shut off from outside air. The hammering tool 1 includes a pressure adjuster (60) for allowing air to pass from outside air to the sealed space. The pressure adjuster is a valve 60 for allowing air to pass in only one direction when a pressure difference of a prescribed value or more is generated, such as a rubber one-way valve, for example.
摘要翻译：要解决的问题：提供一种能够通过消除低温时的锤击故障来进行稳定的锤击操作的锤击工具。解决方案：该锤击工具1包括通过马达31的驱动力在气缸17中往复运动的活塞14，以及通过活塞14的气缸17中的气室15的压力变化而被锤击的撞针19，将锤击力传递到远端工具。在锤击工具1中，存储有活塞14和撞针19的空间通过从外部空气切断而构成密封空间。锤击工具1包括用于允许空气从外部空气传递到密封空间的压力调节器（60）。压力调节器是用于当产生例如橡胶单向阀的规定值以上的压力差时，仅使一个方向通过空气的阀门60。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2010046719A Hammering tool 有权
标题翻译：锤子工具
公开(公告)号：JP2010046719A
公开(公告)日：2010-03-04
申请号：JP2008210207
申请日：2008-08-19
申请人： Hitachi Koki Co Ltd , 日立工機株式会社
发明人： KOBE KUNIAKI
IPC分类号： B25D17/08
摘要： PROBLEM TO BE SOLVED: To provide a hammering tool having a mechanism for buffering impact force acting in an axial direction of a retainer sleeve with a simple constitution. SOLUTION: This hammering tool includes a housing 2, an electric motor 26, reciprocating motion converting parts 37, 38, 39 and 22 for converting rotation of the electric motor 26 into a reciprocating motion, an intermediate element 8 arranged coaxially with the reciprocating motion direction, the retainer sleeve 4 for storing the intermediate element 8, and a metal 5 for holding the housing 2 so that the retainer sleeve 4 may be rotatable. The metal 5 has a shape formed with a circular annular rib spreading to an outer peripheral side at a substantially cylindrical rear end. The retainer sleeve 4 is inserted into an inner peripheral side of the metal 5 and has a large diameter part formed on a rear side with a step part. A circular annular rib projecting to the outside is formed on an outer peripheral side of the large diameter part of the retainer sleeve 4. Damper 6 and washer 7 are interposed between a rear side of the circular annular rib of the metal 5 and the front of the circular annular rib of the retainer sleeve 4. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种锤击工具，其具有用于缓冲以简单结构在保持器套筒的轴向方向上作用的冲击力的机构。解决方案：该锤击工具包括壳体2，电动机26，用于将电动机26的旋转转换为往复运动的往复运动转换部件37,38,39和22，与该电动机26同轴布置的中间元件8 往复运动方向，用于容纳中间元件8的保持套筒4和用于保持壳体2的金属5，使得保持套筒4可旋转。金属5具有形成有圆形环形肋的形状，该环状肋在基本上圆柱形的后端扩展到外周侧。保持套筒4插入到金属5的内周侧，并且具有在后侧形成有台阶部的大直径部。在保持套筒4的大直径部分的外周侧形成有向外侧突出的圆形环形肋。阻尼器6和垫圈7设置在金属5的圆形环形肋的后侧和保持套4的圆形环形肋。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2009050962A Reciprocating tool 有权
标题翻译：回收工具
公开(公告)号：JP2009050962A
公开(公告)日：2009-03-12
申请号：JP2007220328
申请日：2007-08-27
申请人： Hitachi Koki Co Ltd , 日立工機株式会社
发明人： HAGA HIROSHI , SUZUURA TSUKASA , KIKUCHI ATSUYUKI , KOBE KUNIAKI , IKEDA TOMOYA
IPC分类号： B25D17/24
摘要： PROBLEM TO BE SOLVED: To provide a reciprocating tool capable of sufficiently reducing vibration and sufficiently exhibiting performance and having a long service life and a vibration reduction mechanism.
SOLUTION: The vibration reduction mechanism 70 has a weight part 71, a rotating shaft not shown in the figure, a support part 73, a pair of leaf springs 74, a sandwiching member 77 and a leaf spring support member 79. The leaf spring 74 has an abutment part 74a, a deformation part 74b, a root part 74c and a fixation part not shown in the figure. In regard to the axial width of the rotating shaft, a small width region 74b1 of the deformation part 74b is set smaller than the root part 74c, and a large width region 74b2 of the deformation part 74b is set larger than the root part 74c. In regard to the axial width of the rotating shaft 72, the abutment part 74a is set larger than an abutment part 74a side end part in the small width region 74b1. The small width region 74b1 is formed to have a shape so that the width is gradually reduced toward the abutment part 74a.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供能够充分降低振动并充分显示性能并且具有长使用寿命的减速机构的往复式工具。解决方案：减振机构70具有配重部71，图中未示出的旋转轴，支撑部73，一对板簧74，夹持构件77和板簧支撑构件79。板簧74具有邻接部74a，变形部74b，根部74c以及图中未示出的固定部。关于旋转轴的轴向宽度，变形部74b的小宽度区域74b1被设定为小于根部74c，并且变形部74b的大宽度区域74b2被设定为大于根部74c。关于旋转轴72的轴向宽度，抵接部74a被设定为大于小宽度区域74b1中的抵接部74a侧端部。小宽度区域74b1形成为使得宽度朝向抵接部74a逐渐减小的形状。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2009050961A Reciprocating tool 有权
标题翻译：回收工具
公开(公告)号：JP2009050961A
公开(公告)日：2009-03-12
申请号：JP2007220327
申请日：2007-08-27
申请人： Hitachi Koki Co Ltd , 日立工機株式会社
发明人： KOBE KUNIAKI , SUZUURA TSUKASA , KIKUCHI ATSUYUKI
IPC分类号： B25D17/24
摘要： PROBLEM TO BE SOLVED: To provide a reciprocating tool improved in efficiency of disassembly, repair, and assembly of a vibration reducing mechanism. SOLUTION: A hammering tool 1 is formed of a gear housing 30 which includes a gear cover 31A, a crank case 31B, a cylinder case 32, a hood 33A, a crank cover 33B, and a back cover 33C. The crank case 31B is made of aluminum, and has a crank support portion 31B1 for supporting a reciprocative movement converting portion, and a housing portion 31B2 for housing therein the vibration reducing mechanism 70. The crank cover 33B includes a cover main body 33B1, and an extension portion 33B2 extending from the cover main body 33B1 toward a handle 10. The cover main body 33B1 covers the reciprocative motion converting portion, and the extension portion 33B2 covers the vibration reducing mechanism 70. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种提高减振机构的拆卸，修理和组装效率的往复式工具。解决方案：锤击工具1由包括齿轮盖31A，曲柄壳体31B，气缸壳体32，发动机罩33A，曲柄盖33B和后盖33C的齿轮壳体30形成。曲轴箱31B由铝制成，具有用于支承往复移动转换部的曲柄支撑部31B1和用于收容减振机构70的收纳部31B2。曲柄盖33B具有盖主体33B1和延伸部33B2从盖主体33B1朝向手柄10延伸。盖主体33B1覆盖往复运动转换部，延伸部33B2覆盖减振机构70.（C）2009年， JPO和INPIT

7. 发明专利

JP2014028420A Impact tool 审中-公开
标题翻译： IMPACT工具
公开(公告)号：JP2014028420A
公开(公告)日：2014-02-13
申请号：JP2012170221
申请日：2012-07-31
申请人： Hitachi Koki Co Ltd , 日立工機株式会社
发明人： KOBE KUNIAKI
IPC分类号： B25D17/24
摘要： PROBLEM TO BE SOLVED: To provide an impact tool which enables the reduction of the number of components for supporting a vibration reduction mechanism on a housing and also enables easy assembly.SOLUTION: A reciprocation tool 1 includes: a housing 2; an electric motor 21 disposed in the housing 2; and a motion conversion mechanism 35 which converts a rotation force of the electric motor 21 into reciprocating motion and reciprocates an impact element 42. The reciprocation tool 1 further includes a counter weight mechanism 60 which includes a rubber member 61 supported by the housing 2 and a counter weight 62 which is supported by the housing 2 through the rubber member 61.
摘要翻译：要解决的问题：提供一种冲击工具，其能够减少用于在壳体上支撑减振机构的部件的数量，并且还能够容易地组装。解决方案：往复运动工具1包括：壳体2; 设置在壳体2内的电动机21; 以及运动转换机构35，其将电动机21的旋转力转换为往复运动，并且使冲击元件42往复运动。往复运动工具1还包括配重机构60，其包括由壳体2支撑的橡胶构件61和配重62，其通过橡胶构件61被壳体2支撑。

8. 发明专利

JP2013144346A Hammer 审中-公开
标题翻译：锤子
公开(公告)号：JP2013144346A
公开(公告)日：2013-07-25
申请号：JP2012006310
申请日：2012-01-16
申请人： Hitachi Koki Co Ltd , 日立工機株式会社
发明人： KOBE KUNIAKI
IPC分类号： B25D17/08
摘要： PROBLEM TO BE SOLVED: To fix a cylinder case and a front cover of a hammer without using a bolt.SOLUTION: A hammer 1 is provided for fixing a front cover 6 for holding a tip tool 40 to a cylinder case 5, and includes a projection 60 formed on an outer surface of the front cover 6 and abutting on an end surface 62 of the cylinder case 5 for inserting the front cover 6, and a fixing member 70 arranged by straddling an abutting surface between the projection 60 and the end surface 62. A side surface of the fixing member 70 is joined to the cylinder case 5 with a screw, a bottom surface of the fixing member 70 is opposed to the end surface 62 by sandwiching the projection 60, an elastic body 78 is arranged between the bottom surface of the fixing member 70 and the projection 60, and the front cover 6 is prevented from rotating with respect to the cylinder case 5.
摘要翻译：要解决的问题：在不使用螺栓的情况下固定锤壳和前盖。解决方案：提供锤1，用于固定用于将尖端工具40保持在气缸壳体5上的前盖6，并且包括突出部60形成在前盖6的外表面上并且抵接在用于插入前盖6的气缸壳体5的端面62上;以及固定构件70，其通过跨接在突出部60和端面之间的邻接表面固定部件70的侧面通过螺钉与圆筒壳体5接合，固定部件70的底面通过夹着突起60与端面62相对，弹性体78配置在固定构件70的底面和突起60，并且防止前盖6相对于气缸壳体5旋转。

9. 发明专利

JP2011136493A Drilling machine with dust collector 审中-公开
标题翻译：带集尘器的钻孔机
公开(公告)号：JP2011136493A
公开(公告)日：2011-07-14
申请号：JP2009298303
申请日：2009-12-28
申请人： Hitachi Koki Co Ltd , 日立工機株式会社
发明人： KOBE KUNIAKI , YAMAZAKI SHINGO
IPC分类号： B28D1/14 , B28D7/02
摘要： PROBLEM TO BE SOLVED: To provide a drilling machine that facilitates switching of a seal member.
SOLUTION: The drilling machine includes an end tool and a dust collector that sucks dust produced from a workpiece material drilled with the end tool. In the dust collector part of the machine, there are installed a through passage making the end tool pass therethrough and a dust-collecting adaptor which is formed in the through passage and provided with a dust collecting path for sucking dust. There is also installed a base member which is rotatably held on the dust-collecting adaptor to form a part of the through passage. The base member includes a first seal member and a second seal member which are provided with a through-hole for making the end tool pass therethrough and which are made switchable.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种便于切换密封构件的钻孔机。解决方案：钻机包括一个末端工具和一个集尘器，吸收由终端工具钻出的工件材料产生的灰尘。在机器的集尘部中，安装有使端部工具通过的贯通通路和形成在通路中的集尘适配器，并设置有用于吸入灰尘的集尘路径。还安装有可旋转地保持在集尘适配器上以形成贯通通道的一部分的基部构件。基部构件包括第一密封构件和第二密封构件，第一密封构件和第二密封构件设置有用于使端部工具通过并且可切换的通孔。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2011005843A Drilling machine having dust collector 有权
标题翻译：具有集尘器的钻孔机
公开(公告)号：JP2011005843A
公开(公告)日：2011-01-13
申请号：JP2009169105
申请日：2009-07-17
申请人： Hitachi Koki Co Ltd , 日立工機株式会社
发明人： YAMAZAKI SHINGO , KONISHI JUNICHI , SATO SHINICHIRO , KOBE KUNIAKI
IPC分类号： B28D7/02
摘要： PROBLEM TO BE SOLVED: To provide a drilling machine having a dust collector in which no sealing member comes off by increasing rigidity in the outer periphery of a distal end tool penetrating part of the sealing member.SOLUTION: The drilling machine includes: a motor, a transmission driving part that drives a distal end tool by transmitting a rotational force of the motor; and the dust collector that sucks dust produced from a workpiece drilled by the distal end tool. The dust collector is equipped with a through passage for making the distal end tool put through and a dust collecting adaptor that is formed in the through passage and that has a sucking port 11b for sucking dust. On the rear side of the through passage, there is installed the sealing member 20 having a through hole 22a for making the distal end tool put through and having a plurality of notches 22b. The sealing member 20 comprises a rigid member 21 and an elastic member 22 that is fixed to the rigid member. The rigid member 21 is composed of an annular steel plate while the elastic member 22 is of sheet-like rubber or the like, thereby increasing the rigidity of the sealing member 20.
摘要翻译：要解决的问题：提供一种具有集尘器的钻孔机，其中通过提高密封构件的远端工具的外周的刚度而不会使密封构件脱落。解决方案：钻孔机包括：电机，传动驱动部，其通过传递所述马达的旋转力来驱动所述远端工具; 以及吸收由远端工具钻出的工件产生的灰尘的集尘器。集尘器配备有用于使远端工具穿过的通路和形成在通路中的集尘适配器，并且具有用于吸入灰尘的吸入口11b。在通路的后侧，安装有用于使远端工具穿过并具有多个凹口22b的通孔22a的密封构件20。密封构件20包括刚性构件21和固定到刚性构件的弹性构件22。刚性构件21由环形钢板构成，而弹性构件22是片状橡胶等，从而增加了密封构件20的刚性。

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