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    Percussion driver drill, and a changeover mechanism for changing over a plurality of operating modes of an apparatus
    2.
    发明授权
    Percussion driver drill, and a changeover mechanism for changing over a plurality of operating modes of an apparatus 有权
    打击乐驾驶员钻孔以及用于切换装置的多个操作模式的切换机构

    公开(公告)号：US6142242A

    公开(公告)日：2000-11-07

    申请号：US503243

    申请日：2000-02-14

    申请人： Michio Okumura ,  Takefumi Furuta ,  Takao Kuroyanagi ,  Hidenori Ito

    发明人： Michio Okumura ,  Takefumi Furuta ,  Takao Kuroyanagi ,  Hidenori Ito

    IPC分类号： B23B45/16 ,  B25B23/14 ,  B25D11/10 ,  B25D16/00 ,  B25B23/159

    CPC分类号： B25D11/106 ,  B25B23/141 ,  B25D16/00 ,  B25D2211/064

    摘要： A pair of stoppers (47) capable of moving back and forth in an axial direction of a spindle (5) are provided on an outer periphery of a tubular portion (9a) for supporting the spindle (5). As a pair of projections (49) provided on a first change ring (32) are moved in conjunction with the rotation of the first change ring (32) which is capable of changing over the operating mode of a percussion driver drill, the stoppers (47) move back and forth in the axial direction. During a percussion mode and a drill mode, the stoppers (47) abut against a flat washer (50) for fixing an internal gear (13) to restrict the forward movement of the flat washer (50), while, during a clutch mode provided in the first change ring (32) as a third changeover position, the stoppers (47) move away from the flat washer (50). A pair of washers (40, 41) superposed on each other in the axial direction of the spindle (5) are interposed between the first change ring (32) and a second change ring (39). The washer (40) has a click (45) capable of engaging in one of recesses (59) formed in the first change ring (32). The washer (41) has a click (46) capable of engaging in one of recesses (58) formed in the second change ring (39).

    摘要翻译： 在用于支撑主轴（5）的管状部分（9a）的外周上设置有能够在主轴（5）的轴向上前后移动的一对止动件（47）。 随着设置在第一换环（32）上的一对突起（49）与第一换环（32）的旋转一起移动，该转动能够在冲击式驾驶员钻头的操作模式下改变， 47）沿轴向前后移动。 在打击模式和钻孔模式期间，止动件（47）抵靠用于固定内齿轮（13）的平垫圈（50）以限制平垫圈（50）的向前运动，而在提供的离合器模式期间 在作为第三切换位置的第一换环（32）中，止动件（47）远离平垫圈（50）移动。 在主轴（5）的轴向上彼此叠置的一对垫圈（40,41）插入在第一换环（32）和第二换环（39）之间。 垫圈（40）具有能够接合形成在第一换环（32）中的凹部（59）中的一个的咔嗒（45）。 垫圈（41）具有能够接合形成在第二换环（39）中的凹部（58）中的一个的咔嗒（46）。

    Switch mechanism for use in an electric power tool
    3.
    发明授权
    Switch mechanism for use in an electric power tool 失效
    用于电动工具的开关机构

    公开(公告)号：US06218633B1

    公开(公告)日：2001-04-17

    申请号：US09496007

    申请日：2000-02-01

    申请人： Michio Okumura ,  Hidenori Ito

    发明人： Michio Okumura ,  Hidenori Ito

    IPC分类号： H01H928

    CPC分类号： H01H9/061 ,  H01H19/03 ,  H01H21/50

    摘要： An electric power blower (1) includes a handle (5) mounting therein a disk-shaped speed change dial (9) which is capable of rotation on a shaft (10). The speed change dial (9) is disposed between a speed change switch (6) and a trigger switch (8) and has a cut-out (12) formed therein through which the trigger switch (8) can pass without interference, depending on the rotational position of the dial (9). The speed change dial (9) includes a stopper (13) at an free end which defines the cut-out (12). A first regulating surface (14) and a second regulating surface (15) are provided on the stopper (13), forming an angled corner therebetween. The peripheral surface of the speed change dial (9) is exposed to the outside of the blower (1) through two windows (18) in both sides of the handle (5) adjacent to the trigger switch (8) so as to allow manual rotation. The amount by which the trigger switch (8) is pulled into the handle is determined by the rotational position of the speed change dial (9).

    摘要翻译： 电动鼓风机（1）包括：手柄（5），其安装有能够在轴（10）上旋转的盘形变速拨盘（9）。 变速拨盘（9）设置在变速开关（6）和触发开关（8）之间，并且具有形成在其中的切口（12），触发开关（8）可以通过该切口而不受干扰，这取决于 表盘（9）的旋转位置。 变速拨盘（9）包括限定切口（12）的自由端的止动件（13）。 第一调节表面（14）和第二调节表面（15）设置在止动件（13）上，在它们之间形成成角度的角。 变速拨盘（9）的外周表面通过与触发开关（8）相邻的手柄（5）两侧的两个窗口（18）暴露于鼓风机（1）的外部，以便手动 回转。 触发开关（8）被拉入手柄的量由换档拨盘（9）的旋转位置决定。

    Vibrating means in a power drill
    6.
    发明授权
    Vibrating means in a power drill 失效
    振动手段在电钻中

    公开(公告)号：US4567950A

    公开(公告)日：1986-02-04

    申请号：US528938

    申请日：1983-09-02

    申请人： Fusao Fushiya ,  Akira Mizumoto ,  Michio Okumura

    发明人： Fusao Fushiya ,  Akira Mizumoto ,  Michio Okumura

    IPC分类号： B23B45/16 ,  B25D16/00 ,  E02D7/02

    CPC分类号： B25D16/006 ,  B25D2211/064

    摘要： Disclosed herein is a vibrator for use in a power drill having a housing and a spindle rotatably and axially movably supported by the housing. The vibrator comprises a rotary cam fitted on the spindle for rotation with the spindle, the rotary cam having a cam surface formed with at least one axially protruding ridge or serration; a clutch cam axially slidably fitted on the spindle and disposed behind the rotary cam, the clutch cam being restricted from rotating about the spindle and releasably engageable with the rotary cam, the clutch cam having a cam surface formed with at least one axially protruding ridge; and a spring adapted to urge the clutch cam toward the rotary cam so as to absorb the axial thrusting force applied to the spindle when the spindle is retracted. When the resilience of the spring overcomes the thrusting force, the rotary cam in motion is axially vibrated along with the spindle in conformity with the cam surface of the clutch cam, and on the other hand, when the thrusting force exceeds the resilience of the spring, the clutch cam is axially rearwardly moved in conformity with the cam surface of the rotary cam in motion, and then brought into collision with the rotary cam by virtue of the resilience of the spring so as to strike the rotary cam. With this construction, if excessive thrusting force is applied to the spindle when driven for rotation and vibration, it is absorbed to be changed into impacting force for effectively vibrating the spindle so as to reduce the load to the motor.

    摘要翻译： 本文公开了一种用于动力钻的振动器，其具有可旋转并轴向移动地由壳体支撑的壳体和主轴。 所述振动器包括安装在所述心轴上以与所述心轴一起旋转的旋转凸轮，所述旋转凸轮具有形成有至少一个轴向突出的脊或锯齿的凸轮表面; 离合器凸轮轴向可滑动地装配在心轴上并且设置在旋转凸轮的后面，离合器凸轮被限制为围绕心轴旋转并且可释放地与旋转凸轮接合，离合器凸轮具有形成有至少一个轴向突出的脊的凸轮表面; 以及适于将离合器凸轮推向旋转凸轮的弹簧，以便当主轴缩回时吸收施加到主轴的轴向推力。 当弹簧的弹性克服推力时，运动中的旋转凸轮与主轴一起轴向地与离合器凸轮的凸轮表面一致地振动，另一方面，当推力超过弹簧的弹力 离合器凸轮与运动中的旋转凸轮的凸轮表面一致地轴向向后移动，然后由于弹簧的弹性而与旋转凸轮碰撞，从而撞击旋转凸轮。 通过这种结构，如果在驱动旋转和振动时对主轴施加过大的推力，则被吸收变为冲击力，以有效地振动主轴，从而减小对电动机的负荷。

    Blade mounting devices for reciprocating cutting tools
    7.
    发明授权
    Blade mounting devices for reciprocating cutting tools 有权
    用于往复式切割工具的刀片安装装置

    公开(公告)号：US06260281B1

    公开(公告)日：2001-07-17

    申请号：US09469616

    申请日：1999-12-22

    申请人： Michio Okumura ,  Mitsuyoshi Niinomi ,  Shinsuke Mori

    发明人： Michio Okumura ,  Mitsuyoshi Niinomi ,  Shinsuke Mori

    IPC分类号： B23D4904

    CPC分类号： B23D51/10 ,  Y10S279/904 ,  Y10S279/905 ,  Y10T279/17752

    摘要： A device for mounting a blade on a reciprocally movable blade carrier of a cutting tool includes a blade pressing member and a blade pressing surface formed on the blade carrier, so that the blade can be pressed against the blade pressing surface by the blade pressing member. A retainer member serves as a guide for the pressing member, so that the pressing member can move in a direction substantially perpendicular to the pressing surface between a first position for pressing the blade against the pressing surface and a second position for releasing the pressing force of the pressing member. An operation member is shiftable relative to the blade carrier and is operable by an operator for moving the pressing member between the first position and the second position. A ball is interposed between the pressing member and the operation member. A contacting surface is formed on the operation member, so that the ball can roll along the contacting surface.

    摘要翻译： 用于将刀片安装在切削刀具的往复运动的刀片支架上的装置包括刀片按压部件和形成在刀片托架上的刀片按压面，使得刀片能够被刀片按压部件压靠在刀片按压面上。 保持器构件用作按压构件的引导件，使得按压构件可以在用于将刀片压靠在按压表面上的第一位置和用于释放按压表面的按压力的第二位置之间沿基本垂直于按压表面的方向移动 按压构件。 操作构件可相对于叶片载体移动，并且可由操作者操作以使按压构件在第一位置和第二位置之间移动。 一个球插入按压构件和操作构件之间。 在操作构件上形成接触面，使得球能够沿着接触面滚动。

    Hook device in power driven tool
    8.
    发明授权
    Hook device in power driven tool 失效
    挂钩装置在动力驱动工具中

    公开(公告)号：US5265312A

    公开(公告)日：1993-11-30

    申请号：US953875

    申请日：1992-09-30

    申请人： Michio Okumura

    发明人： Michio Okumura

    IPC分类号： B25F5/00 ,  B25H3/00 ,  A45F5/00

    CPC分类号： B25F5/00 ,  B25H3/00 ,  Y10T24/1394

    摘要： A hook device in a power driven tool includes a hook member having a base disposed along a mounting portion of the body of the power driven tool and having a hook portion extending from the base for engagement with an object such as a waist belt of an operator. The mounting portion of the body includes a pair of engaging slots spaced from each other in a circumferential direction of the mounting portion. The base of the hook member includes a pair of engaging members disposed at both ends of the base in a circumferential direction for engagement with the engaging slots, respectively.

    摘要翻译： 动力驱动工具中的钩装置包括钩构件，其具有沿着动力驱动工具的主体的安装部分设置的底座，并且具有从底座延伸的钩部，用于与操作者的腰带等物体接合 。 主体的安装部分包括在安装部分的圆周方向上彼此隔开的一对接合槽。 钩构件的基部包括一对接合构件，其分别设置在基部的沿圆周方向的两端分别与接合槽接合。