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公开(公告)号：US10850381B2
公开(公告)日：2020-12-01
申请号：US16097696
申请日：2017-05-10
申请人： MAKITA CORPORATION
发明人： Hiroki Ikuta , Hikaru Sunabe
摘要： An impact tool includes a tool-accessory holding part, a body and a first hammering member. The tool-accessory holding part has a through hole extending in a hammering-axis direction and is configured to hold the tool accessory inserted into the through hole to be movable in the hammering-axis direction. The body is connected to the tool-accessory holding part in the hammering-axis direction and has an internal space communicating with the through hole. The first hammering member is linearly movable in the hammering-axis direction and configured to drive the tool accessory in the hammering-axis direction by colliding with the tool accessory. The tool-accessory holding part and the body are connected in the hammering-axis direction via a first elastic element to be movable relative to each other. A second elastic element is interposed between the first hammering member and the body in a radial direction with respect to the hammering axis.
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公开(公告)号：US10286537B2
公开(公告)日：2019-05-14
申请号：US15034723
申请日：2014-10-30
发明人： Olaf Koch , Theo Kiesel , Helene Kaps , Matthias Keith
摘要： A portable power tool is disclosed. The tool has a tool holder in which a tool can be moveably inserted on a working axis in a striking direction. A percussion mechanism has a striker coupled via a pneumatic chamber to an exciter moved periodically along the working axis and an intermediate striker arranged in the striking direction downstream from striker. The intermediate striker is guided in a slide bearing with a tolerance coaxially to the working axis. The intermediate striker has a ring-shaped bead. A hollow-cylindrical backstop is arranged in the striking direction upstream from the bead. The backstop is moveably guided on a sliding surface with radial play along working axis. The radial play is at least three times as large as a tolerance of the guide of the intermediate striker in the slide bearing.
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公开(公告)号：US20150158155A1
公开(公告)日：2015-06-11
申请号：US14562147
申请日：2014-12-05
发明人： Hiroyuki TSUBAKIMOTO
CPC分类号： B25B21/02 , B25B21/026 , B25D17/11
摘要： A rotary impact tool includes an engagement element inserted into a hole formed by first and second grooves between a main hammer and a sub-hummer. The engagement element engages the main hammer with the sub-hammer in a rotating direction. The engagement element includes a core material and an elastic member covering an outer periphery of the core material.
摘要翻译： 旋转冲击工具包括插入由主锤和次悍马之间的第一和第二槽形成的孔中的接合元件。 接合元件沿着旋转方向将主锤与子锤接合。 接合元件包括芯材和覆盖芯材的外周的弹性构件。
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公开(公告)号：US08544561B2
公开(公告)日：2013-10-01
申请号：US12823312
申请日：2010-06-25
申请人： Yasunori Aihara
发明人： Yasunori Aihara
CPC分类号： B25C1/047
摘要： A bumper of a driving tool has a cylindrical overall shape and also has a space portion expanding downward therein. The bumper is provided with an upper portion, an intermediate portion, and a lower portion. A normal inclined-surface, in which an outer diameter becomes larger from an upper end of a full height of the bumper toward a slightly upper position of the intermediate portion, is formed at a periphery of the upper portion. A bulging-out portion haying the largest outer diameter in the bumper is bulged out, at a periphery of the intermediate portion. A reverse inclined-surface, in which the outer diameter becomes smaller toward downward, is formed at the periphery of the lower portion.
摘要翻译： 驱动工具的保险杠具有圆柱形的整体形状并且还具有向下扩展的空间部分。 保险杠设有上部，中间部分和下部。 在上部的周边形成有从保险杠的高度的上端向中间部的稍高的位置变大的外径的正常的倾斜面。 在保险杠中具有最大外径的凸出部分在中间部分的周围被凸出。 在下部的周边形成有向外倾斜的反向倾斜面。
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公开(公告)号：US08403076B2
公开(公告)日：2013-03-26
申请号：US12457488
申请日：2009-06-12
申请人： Junichi Iwakami
发明人： Junichi Iwakami
CPC分类号： B25D17/043 , B25D2211/003 , B25D2250/261 , B25F5/006
摘要： A power tool includes a grip, a connecting part, an elastic element, an electrical switch and an operating member. The connecting part connects the grip to the power tool body. The elastic element is disposed between the connecting part and the power tool body. The operating member is switched by a user between an energizing position and a de-energizing position. The operating member is retained in the position to which it is switched. The operating member is disposed in the connecting part in such a manner as to be slidable in a direction transverse to the longitudinal direction of the power tool body and to the extending direction of the grip.
摘要翻译： 电动工具包括把手，连接部分，弹性元件，电开关和操作构件。 连接部分将把手连接到电动工具主体。 弹性元件设置在连接部和动力工具主体之间。 操作构件由用户在通电位置和断电位置之间切换。 操作构件保持在切换到的位置。 操作构件以与动力工具主体的纵向方向横向的方向和手柄的延伸方向可滑动地设置在连接部分中。
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公开(公告)号：US08347981B2
公开(公告)日：2013-01-08
申请号：US12458062
申请日：2009-06-30
申请人： Yonosuke Aoki
发明人： Yonosuke Aoki
IPC分类号： B23B45/16 , B25D9/00 , B25D11/00 , B25D13/00 , B25D16/00 , B25D17/11 , B25D17/24 , B25D17/00
CPC分类号： B25D17/24 , B25D2211/006 , B25D2211/061 , B25D2217/0092 , B25D2250/095 , B25D2250/245 , B25D2250/381
摘要： It is an object of the invention to provide a power tool with a rational placement of a dynamic vibration reducer within a tool body. A representative hammer drill embodied as a power tool according to this invention has a dynamic vibration reducer 151 which is placed within an internal space 110 located to a motion converting section 113 side of a driving motor 111 within a body 103. An inner edge of the internal space is defined by an outer edge of the motion converting section 113, and an outer edge of the internal space is defined by an outer periphery of the driving motor 111.
摘要翻译： 本发明的一个目的是提供一种将动态减振器合理放置在工具体内的动力工具。 作为根据本发明的动力工具的代表性锤钻具有动态减振器151，其被放置在位于主体103内的驱动电动机111的运动转换部113侧的内部空间110内。 内部空间由运动转换部分113的外边缘限定，并且内部空间的外边缘由驱动马达111的外周限定。
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公开(公告)号：US08104547B2
公开(公告)日：2012-01-31
申请号：US12481043
申请日：2009-06-09
申请人： Michael Kunz , Stefan D. Gensmann , Markus Rompel , Andreas Syma
发明人： Michael Kunz , Stefan D. Gensmann , Markus Rompel , Andreas Syma
摘要： A resilient stop assembly for an impact tool includes first and second resiliently deformable parts, and a substantially rigid part situated between the deformable parts. Each of the first and second resiliently deformable parts and the substantially rigid part comprises: first and second opposite impact surfaces, at least one peripheral surface joining the impact surfaces, and an aperture extending entirely through the part between exit openings in the impact surfaces. The first impact surface of the second resiliently deformable part is separated from the second impact surface of the first resiliently deformable part by contact of those first and second impact surfaces with the substantially rigid part.
摘要翻译： 用于冲击工具的弹性止动组件包括第一和第二可弹性变形部分，以及位于可变形部分之间的基本刚性部分。 第一和第二弹性可变形部分和基本上刚性部分中的每一个包括：第一和第二相对的冲击表面，连接冲击表面的至少一个外围表面，以及完全延伸穿过冲击表面中的出口之间的部分的孔。 第二弹性变形部分的第一冲击表面通过这些第一和第二冲击表面与基本刚性部分的接触而与第一可弹性变形部分的第二冲击表面分离。
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公开(公告)号：US20100155094A1
公开(公告)日：2010-06-24
申请号：US12654115
申请日：2009-12-10
申请人： Hiroki Ikuta , Masao Miwa , Takuya Sumi
发明人： Hiroki Ikuta , Masao Miwa , Takuya Sumi
IPC分类号： B25D17/11
CPC分类号： B25D17/11 , B25D17/08 , B25D17/24 , B25D2211/003 , B25D2217/0019 , B25D2222/57 , B25D2250/345
摘要： It is an object of the invention to reduce noise caused by run-out of a tool bit in an impact tool. The representative impact tool according to the invention includes a tool holder 137 that houses a tool bit 119 in such a manner that the tool bit can linearly move in its axial direction, and a barrel 108 that is integrally connected to the tool holder 137 The impact tool further includes an elastic element 155 that is disposed between an inner circumferential surface of the tool holder 137 and an outer circumferential surface of the tool bit 119 in an end region of the tool bit 119 on the barrel side and connected in close contact with the tool holder 137 and the tool bit 119 over a predetermined length of the tool bit 119 in the axial direction. The elastic element 155 applies a biasing force to prevent a run-out of the tool bit 119 in a direction transverse to the axial direction. Further, an intermediate element 145 comes in point contact with the tool bit 119 on its axial center line.
摘要翻译： 本发明的一个目的是减少冲击工具中的工具钻头产生的噪音。 根据本发明的代表性冲击工具包括：工具架137，其以工具头沿其轴向方向线性移动的方式容纳工具钻头119;以及与工具架137一体连接的筒体108冲击 工具还包括弹性元件155，该弹性元件155设置在工具夹持器137的内圆周表面和工具钻头119的外圆周表面之间，位于枪管侧的工具钻头119的端部区域中，并与 工具架137和工具钻头119在工具钻头119的预定长度上轴向延伸。 弹性元件155施加偏压力，以防止工具钻头119在与轴向方向横切的方向上跳动。 此外，中间元件145在其轴向中心线处与刀头119点接触。
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公开(公告)号：US20050224244A1
公开(公告)日：2005-10-13
申请号：US10049546
申请日：2001-05-25
申请人： Ernst Kraenzler , Manfred Ruff , Harald Krondorfer , Ralph Dammertz , Joerg Goehner , Mario Frank
发明人： Ernst Kraenzler , Manfred Ruff , Harald Krondorfer , Ralph Dammertz , Joerg Goehner , Mario Frank
摘要： The invention is based on a power tool with at least one handle (10, 26, 50, 62, 104) that comprises at least one grip part (12, 72, 106) that is firmly connected to a mounting part (16, 70, 110) via at least one elastic, vibration-damping element (14, 24, 52, 108), via which the grip part (12, 72, 106) is affixable to a housing (60). It is proposed that the connection between the grip part (12, 72, 106) and the mounting part (16, 70, 110) is secured by means of the elastic element (14, 24, 52, 108) via at least one movable retaining element (20, 22, 28, 64, 112).
摘要翻译： 本发明基于具有至少一个手柄（10,26,50,62,104）的电动工具，所述至少一个手柄（10,26,50,62,104）包括至少一个握持部分（12,72,106），该握持部分牢固地连接到安装部分 ，110）经由至少一个弹性阻尼元件（14,24,52,108），所述把手部分（12,72,106）可通过所述至少一个弹性阻尼元件固定到壳体（60）。 提出了握持部分（12,72,106）和安装部分（16,70,110）之间的连接通过弹性元件（14,24,52,108）经由至少一个可移动的 保持元件（20,22,28,64,112）。
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公开(公告)号：US5755294A
公开(公告)日：1998-05-26
申请号：US560867
申请日：1995-11-20
申请人： Gun-jik Lee
发明人： Gun-jik Lee
CPC分类号： B25D17/11
摘要： There is provided an improved abrasion-resistant hydraulic hammer with a low noise level for preventing the leak-out of the noise made inside. The object is to provide an abrasion-resistant hydraulic hammer with a low noise level which can contribute to the establishment of a comfortable working environment and meet environmental standards against noise pollution by reducing leaked-out crashing sound. To achieve the object, a cylindrical plastic member containing oil is installed to a hole formed outward under a piston installed inside the hydraulic hammer, for guiding a tool in contact with the circumferential surface thereof.
摘要翻译： 提供了一种具有低噪声水平的改进的耐磨液压锤，用于防止内部产生的噪音泄漏。 目的是提供一种低噪音水平的耐磨液压锤，有助于建立一个舒适的工作环境，通过减少泄漏的撞击声，达到噪声污染的环境标准。 为了实现该目的，在安装在液压锤的内部的活塞的外侧，在形成于外侧的孔上安装含有油的圆筒状的塑料构件，用于引导与其圆周面接触的工具。
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