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    Method of fabricating a chain link assembly having bushes each provided integrally with a resin sleeve on its inner circumference
    3.
    发明授权
    Method of fabricating a chain link assembly having bushes each provided integrally with a resin sleeve on its inner circumference 失效
    制造具有在其内圆周上与树脂套筒一体设置的衬套的链节组件的方法

    公开(公告)号：US5745974A

    公开(公告)日：1998-05-05

    申请号：US612777

    申请日：1996-03-08

    申请人： Koji Tanaka

    发明人： Koji Tanaka

    IPC分类号： B21L9/08 ,  B29C45/14 ,  B29D99/00 ,  B29K101/00 ,  B29L31/12 ,  F16G13/06 ,  B23D11/00 ,  B21L9/00

    CPC分类号： F16G13/06 ,  B21L9/08 ,  Y10T29/49677 ,  Y10T29/49885 ,  Y10T29/49945

    摘要： The present invention improves the durability of a plastic sleeve formed integrally with a bush on the inner circumference of the bush. A method of fabricating a chain link assembly deforms a bush (1) set in a mold (2) into the same barrel-like shape as that of the bush (1) in the chain link assembly, injects a molten plastic into the mold to form a plastic sleeve (8) on the inner surface of the bush (1), and unites the bushes (1) respectively provided with the plastic sleeves (8) with chain link plates so that the internal stress induced in the sleeves (8) is removed.

    摘要翻译： 本发明提高了与衬套的内圆周上的衬套一体形成的塑料套筒的耐久性。 制造链节组件的方法使设置在模具（2）中的衬套（1）变形成与链节组件中的衬套（1）相同的筒状形状，将熔融塑料注射到模具中 在衬套（1）的内表面上形成塑料套筒（8），并将分别设置有塑料套管（8）的衬套（1）与链节板相结合，使套筒（8）中引起的内应力， 被删除。

    HIGH-SPEED GROOVING METHOD
    6.
    发明申请
    HIGH-SPEED GROOVING METHOD 审中-公开

    公开(公告)号：US20190061008A1

    公开(公告)日：2019-02-28

    申请号：US16116549

    申请日：2018-08-29

    申请人： Toshiba Kikai Kabushiki Kaisha

    发明人： Takanobu AKIYAMA

    IPC分类号： B23B5/08 ,  B23D11/00

    摘要： A high-speed grooving method includes: a dummy machining step of machining a dummy groove in the surface of the workpiece by moving the cutting tool relative to the workpiece in a first direction, then turning the cutting tool 180 degrees, and subsequently further machining the dummy groove by moving the cutting tool in a second direction opposite to the first direction; a step of measuring a displacement of the cutting edge of the cutting tool, caused by the inversion of the cutting tool, from the dummy groove formed in the surface of the workpiece; a forward-stroke machining step of machining a groove with the cutting tool in the surface of the workpiece by moving the cutting tool relative to the workpiece in the first direction; a cutting tool inversion step of turning the cutting tool 180 degrees after completion of the forward-stroke machining step, thereby setting the direction of the cutting edge of the cutting tool to a direction opposite to the first direction so that the workpiece can be machined during a return stroke of the cutting tool; a correction step of correcting the relative position between the workpiece and the cutting tool so as to eliminate the displacement; and a return-stroke machining step of further machining the groove, which has been machined in the forward-stroke machining step, with the cutting tool by moving the cutting tool relative to the workpiece in the direction opposite to the first direction.

    Power tool
    7.
    发明授权
    Power tool 有权
    电动工具

    公开(公告)号：US08844647B2

    公开(公告)日：2014-09-30

    申请号：US13192089

    申请日：2011-07-27

    申请人： Hikaru Kamegai ,  Masanori Furusawa

    发明人： Hikaru Kamegai ,  Masanori Furusawa

    IPC分类号： B23D11/00 ,  B25D17/24

    CPC分类号： B25D17/245 ,  B25D2217/0084 ,  B25D2217/0092 ,  B25D2250/065 ,  B25D2250/121 ,  B25D2250/245

    摘要： A representative power tool according to the invention performs a predetermined operation on a workpiece at least by axial linear movement of a tool bit 119 coupled to a front end region of a housing 103. The power tool includes driving mechanisms 113, 115 that are housed within the housing 103 and linearly drives the tool bit 119, and a dynamic vibration reducer 151 that has a weight 153 which is allowed to linearly move under a biasing force of an elastic element, and reduces vibration caused during operation, by movement of the weight 153 in the axial direction of the tool bit. A dynamic vibration reducer housing space 149 for housing the weight 153 and the elastic element of the dynamic vibration reducer 151 is integrally formed with the housing 103.

    摘要翻译： 根据本发明的代表性电动工具至少通过联接到壳体103的前端区域的工具杆119的轴向线性运动对工件执行预定的操作。动力工具包括驱动机构113,115，其被容纳在 壳体103并且直线地驱动刀头119，以及动态减振器151，其具有允许在弹性元件的偏置力下线性移动的重物153，并且通过重物153的移动减少在操作期间产生的振动 在刀头的轴向上。 与壳体103一体地形成用于容纳重物153和动态减振器151的弹性元件的动态减振器容纳空间149。