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    • 96. 发明授权
    • Method for manufacturing drill head
    • 钻头制造方法
    • US08091452B2
    • 2012-01-10
    • US12348620
    • 2009-01-05
    • Takuji NomuraMakoto Sakai
    • Takuji NomuraMakoto Sakai
    • B21K5/02
    • B23B51/0486B23P15/32
    • The present invention provides a method for reliable, easy, and low cost manufacturing of a drill head of such a kind that a cutting blade tip is brazed to a cutting blade mounting seat of a head body, with high dimensional accuracy and blade edge accuracy.In the manufacturing of a drill head 10 used with a screw shank 2 coupled in threading relation with a distal end portion of a tool shank 5 of a deep-hole cutting drill and with bounded circumferential face portions 22 and 23 at both sides which sandwich a male thread 21 portion adhered closely to a circumferential face of the tool shank 5, a screw shank cylindrical member 20A with a cutting stock 7 left at least on the bounded circumferential face portions 22 and 23 is welded and integrated with a rear end of a head body 1 for which cutting blade tips 30a to 30c have been brazed, thereafter cutting the cutting stock 7 of the screw shank cylindrical member 20A so as to be finished into the screw shank 2.
    • 本发明提供了一种可靠,容易且低成本地制造这样的钻头的方法,即将刀片刀头钎焊到头部的刀片安装座上,具有高尺寸精度和刀刃精度。 在钻头10的制造中,其与螺纹柄2一起使用,螺杆2与深孔切削钻的工具柄5的远端部分螺纹连接,并且在两侧具有限定的圆周面部22和23,夹着 阳螺纹21部分紧密地粘附到工具柄5的周面上,至少在有界圆周面部分22和23上留下切割材料7的螺杆柄圆柱形构件20A被焊接并与头部的后端一体化 其中切割刀片头部30a至30c已被钎焊,然后切割螺杆柄圆柱形构件20A的切割坯料7,以便被精加工成螺杆2。
    • 99. 发明授权
    • Drill head for deep hole machining
    • 钻头用于深孔加工
    • US07645102B2
    • 2010-01-12
    • US11755840
    • 2007-05-31
    • Takuji NomuraMakoto Sakai
    • Takuji NomuraMakoto Sakai
    • B23B51/00
    • B23B51/0486B23B2251/44B23B2251/56Y10S408/705Y10T408/5586Y10T408/89Y10T408/909
    • The invention provides a drill head for deep hole machining capable of raising circularity and straightness of a hole and improving precision of hole machining. In the drill head for deep hole machining constituted by fixing a cutting blade to a tip surface of a head body and fixing guide pads to a periphery of a tip of the head body, the length Lm of a margin, which is formed at a tip side of a periphery of the cutting blade in a drill rotating direction, in an axis direction is made substantially the same as the length Lp of the guide pads in the axis direction, and a top end and rear end of the margin are substantially aligned with a top end and rear end of the guide pads, respectively, in a circumference direction.
    • 本发明提供一种用于深孔加工的钻头,其能够提高孔的圆度和平直度,并提高孔加工的精度。 在用于深孔加工的钻头中,其通过将切割刀片固定到头部主体的尖端表面并将引导垫固定到头部主体的末端的周边而构成,边缘的长度Lm形成在尖端 沿钻头旋转方向的切割刀片的周边的轴线方向的长度Lp与引导垫的轴向长度Lp基本相同,并且边缘的顶端和后端基本上与 引导垫的顶端和后端分别在圆周方向上。
    • 100. 发明申请
    • Seat slide device
    • 座椅滑动装置
    • US20070108360A1
    • 2007-05-17
    • US11598772
    • 2006-11-14
    • Sadao ItoMakoto SakaiEiichiro Tsuji
    • Sadao ItoMakoto SakaiEiichiro Tsuji
    • F16M13/00
    • B60N2/067B60N2002/0236
    • A seat slide device for a vehicle seat includes a lower rail fixed to a vehicle floor, a support bracket for supporting the vehicle seat, an upper rail fixed to the support bracket and slidably supported on the lower rail relative to the lower rail, a nut member fixed to the lower rail, a screw shaft engageable with the nut member and rotatably supported on the upper rail and a gear device supported on one end of the upper rail through a holdong bracket to transmit a rotational force from a power source to the screw shaft. The upper rail is movable relative to the lower rail in a front and backward direction relative to the seat by the engagement of the screw shaft with the nut member. The holding bracket is fixed to the upper rail and the support bracket for supporting a gear case of the gear device over a circumferential area of the gear case on front, rear, upper and lower surfaces in cooperation with the first support bracket.
    • 一种用于车辆座椅的座椅滑动装置,包括固定到车辆地板的下轨道,用于支撑车辆座椅的支撑支架,固定到支撑托架上的上轨道,并相对于下轨道可滑动地支撑在下轨道上,螺母 固定到下轨道的构件,可与螺母构件接合并可旋转地支撑在上轨道上的螺钉轴和通过固定支架支撑在上轨道的一端上的齿轮装置,以将来自动力源的旋转力传递到螺杆 轴。 上轨道通过螺纹轴与螺母构件的接合而相对于座椅在前后方向上相对于下轨道移动。 固定托架固定在上轨道和支撑托架上,用于在第一支撑托架的协调下,在前,后,上,下表面的齿轮箱的圆周区域上支撑齿轮装置的齿轮箱。