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    Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert
    4.
    发明授权
    Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert 有权
    旋转切削工具，例如钻头，其包括可更换的切削刀片和可更换的切削刀片

    公开(公告)号：US07360974B2

    公开(公告)日：2008-04-22

    申请号：US10921781

    申请日：2004-08-19

    Applicant: Bernhard Borschert ,  Dieter Mühlfriedel ,  Jürgen Schwägerl ,  Ruy Filho Frota De Souza ,  Michael D. Shultz ,  Michael R. McCormick ,  Robert A. Erickson

    Inventor： Bernhard Borschert ,  Dieter Mühlfriedel ,  Jürgen Schwägerl ,  Ruy Filho Frota De Souza ,  Michael D. Shultz ,  Michael R. McCormick ,  Robert A. Erickson

    IPC: B23B51/02

    CPC classification number: B23B51/00 ,  B23B51/02 ,  B23B2205/02 ,  B23B2251/02 ,  B23B2251/50 ,  B23C5/109 ,  B23D77/025 ,  B23D2277/02 ,  Y10S408/713 ,  Y10T408/892 ,  Y10T408/907 ,  Y10T408/909 ,  Y10T408/9095 ,  Y10T408/9097 ,  Y10T408/9098

    Abstract: A rotary cutting tool that is composed of a tool shank with at least one chucking groove or chip flute and one exchangeable cutting insert. At the tip of the shank a recess for accommodating the cutting insert is provided. The tool shank, on its circumference, has a limb with a bearing surface that is inclined relative to the tool axis and that corresponds to a likewise inclined bearing surface on a wing of the cutting insert. The inclination of the bearing surfaces produces an axial force that retains the cutting insert on the tool shank. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72(b). As stated in 37 C.F.R. §1.72(b): A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably following the claims, under the heading “Abstract of the Disclosure.” The purpose of the abstract is to enable the Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure. The abstract shall not be used for interpreting the scope of the claims. Therefore, any statements made relating to the abstract are not intended to limit the claims in any manner and should not be interpreted as limiting the claims in any manner.

    Abstract translation: 一种旋转切削工具，其由具有至少一个夹紧槽或切屑槽的工具柄和一个可更换的切削刀片组成。 在柄的尖端处设置有用于容纳切削刀片的凹部。 工具柄在其圆周上具有带有相对于工具轴线倾斜的支承表面的肢体，并且其对应于在切削刀片的机翼上同样倾斜的支承表面。 轴承表面的倾斜产生将切削刀片保持在工具柄上的轴向力。 披露摘要根据37 C.F.R.的要求提交。 §1.72（b）。 如37 C.F.R. §1.72（b）：说明书中技术性披露的简要摘要必须在单独的表格上开始，优选按照权利要求，在“披露摘要”标题下。 摘要的目的是使专利商标局和公众一般能够从粗略检查中快速确定技术披露的性质和要点。 摘要不得用于解释权利要求的范围。 因此，与摘要有关的任何陈述不旨在以任何方式限制权利要求，也不应被解释为以任何方式限制权利要求。

    Twist drill
    5.
    发明授权
    Twist drill 有权
    麻花钻

    公开(公告)号：US07101125B2

    公开(公告)日：2006-09-05

    申请号：US10738469

    申请日：2003-12-17

    Applicant: Bernhard W. Borschert ,  Jerome C. Hanna ,  Tilo Krieg ,  Larry R. Meenan ,  Michael D. Shultz

    Inventor： Bernhard W. Borschert ,  Jerome C. Hanna ,  Tilo Krieg ,  Larry R. Meenan ,  Michael D. Shultz

    IPC: B23B51/02

    CPC classification number: B23B51/02 ,  B23B2250/12 ,  B23B2251/046 ,  B23B2251/402 ,  B23B2251/50 ,  Y10T408/9097

    Abstract: A twist drill including a cutting tip having a front flank face, a substantially cylindrical tool body extending rearwardly from the cutting tip, and a shank. The tool body includes a rotational axis therethrough and at least one flute formed on an outer peripheral surface thereof and extending to the front flank face. The at least one flute includes a first helical portion opening to the front flank face and a second helical portion extending from the rear end of the first helical portion toward the rear portion of the tool body. The second helical portion twists in a direction opposite of the first helical portion.

    Abstract translation: 一种麻花钻，包括具有前侧面的切割尖端，从切割尖端向后延伸的大致圆柱形的工具主体和柄。 工具主体包括穿过其中的旋转轴线和至少一个形成在其外周表面上的并且延伸到前侧面的凹槽。 所述至少一个凹槽包括通向所述前侧面的第一螺旋部分和从所述第一螺旋部分的后端朝向所述工具主体的后部延伸的第二螺旋部分。 第二螺旋部分在与第一螺旋部分相反的方向上扭转。

    Drill for making flat bottom hole
    6.
    发明授权
    Drill for making flat bottom hole 有权
    钻平底坑

    公开(公告)号：US07832966B2

    公开(公告)日：2010-11-16

    申请号：US11564112

    申请日：2006-11-28

    Applicant: Michael D. Shultz ,  Stephen M. George ,  Raymond E. Moring ,  David L. Ford

    Inventor： Michael D. Shultz ,  Stephen M. George ,  Raymond E. Moring ,  David L. Ford

    IPC: B23B51/02

    CPC classification number: B23B51/02 ,  B23B2251/14 ,  B23B2251/18 ,  B23B2251/44 ,  Y10T408/906 ,  Y10T408/9065 ,  Y10T408/9097

    Abstract: The present invention is directed to a helical drill configuration that allows substantially flat bottomed holes to be machined. At the cutting end of the body member, there are at least two cutting edges that are symmetrically oriented on opposing sides of the rotational axis of the drill. In an embodiment of the invention, first and second cutting edge portions form a continuous surface which provides strength and tool stability. The height of the second portions of each of the cutting edges remains relatively consistent along the horizontal for formation of a generally flat bottom hole. In the embodiment, a center point is defined by two sloped peak surfaces. A central straight chisel edge is formed by the intersection of the two sloped peak surfaces. The first cutting edge section extends from the chisel edge to the second cutting edge section. The first cutting edge section for both cutting edges is formed by symmetrically thinning the two peak surface. In the invention, stress at the center portion of the helical cutting tool is limited by the chisel edge and first sections of the cutting edge near the center portion having a balanced geometry. The balanced geometry of the helical drill also prevents the drill from wobbling and creating deviations in the hole being formed. The chisel edge may blend with a first curvilinear cutting edge and the first curvilinear cutting edge may also have a positive rake to promote cutting.

    Abstract translation: 本发明涉及一种允许基本平坦的有底孔加工的螺旋钻构型。 在主体构件的切割端处，至少有两个切削刃对称地定向在钻头的旋转轴线的相对侧上。 在本发明的一个实施例中，第一和第二切削刃部分形成一个提供强度和刀具稳定性的连续表面。 每个切削刃的第二部分的高度沿着水平线保持相对一致以形成大致平坦的底部孔。 在本实施例中，中心点由两个倾斜的峰面限定。 中心的直凿边缘由两个倾斜的峰面相交而形成。 第一切削刃部分从凿子边缘延伸到第二切削刃部分。 用于两个切削刃的第一切削刃部分通过对称地使两个峰值表面变薄而形成。 在本发明中，螺旋切削工具的中心部分处的应力受到凿子边缘和靠近中心部分具有平衡几何形状的切削刃的第一部分的限制。 螺旋钻的平衡几何形状还可防止钻头摆动并产生正在形成的孔中的偏差。 凿子边缘可以与第一曲线切割边缘混合，并且第一曲线切割边缘也可以具有正耙子以促进切割。

    Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert
    9.
    发明授权
    Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert 有权
    旋转切削工具，例如钻头，其包括可更换的切削刀片和可更换的切削刀片

    公开(公告)号：US07832967B2

    公开(公告)日：2010-11-16

    申请号：US12047904

    申请日：2008-03-13

    Applicant: Bernhard Borschert ,  Dieter Mühlfriedel ,  Jürgen Schwägerl ,  Ruy Frota De Souza ,  Michael D. Shultz ,  Michael R. McCormick ,  Robert A. Erickson

    Inventor： Bernhard Borschert ,  Dieter Mühlfriedel ,  Jürgen Schwägerl ,  Ruy Frota De Souza ,  Michael D. Shultz ,  Michael R. McCormick ,  Robert A. Erickson

    IPC: B23B51/02

    CPC classification number: B23B51/00 ,  B23B51/02 ,  B23B2205/02 ,  B23B2251/02 ,  B23B2251/50 ,  B23C5/109 ,  B23D77/025 ,  B23D2277/02 ,  Y10S408/713 ,  Y10T408/892 ,  Y10T408/907 ,  Y10T408/909 ,  Y10T408/9095 ,  Y10T408/9097 ,  Y10T408/9098

    Abstract: A rotary cutting tool that is composed of a tool shank with at least one chucking groove or chip flute and one exchangeable cutting insert. At the tip of the shank a recess for accommodating the cutting insert is provided. The tool shank, on its circumference, has a limb with a bearing surface that is inclined relative to the tool axis and that corresponds to a likewise inclined bearing surface on a wing of the cutting insert. The inclination of the bearing surfaces produces an axial force that retains the cutting insert on the tool shank. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72(b). As stated in 37 C.F.R. §1.72(b): A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably following the claims, under the heading “Abstract of the Disclosure.” The purpose of the abstract is to enable the Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure. The abstract shall not be used for interpreting the scope of the claims. Therefore, any statements made relating to the abstract are not intended to limit the claims in any manner and should not be interpreted as limiting the claims in any manner.

    Abstract translation: 一种旋转切削工具，其由具有至少一个夹紧槽或切屑槽的工具柄和一个可更换的切削刀片组成。 在柄的尖端处设置有用于容纳切削刀片的凹部。 工具柄在其圆周上具有带有相对于工具轴线倾斜的支承表面的肢体，并且其对应于在切削刀片的机翼上同样倾斜的支承表面。 轴承表面的倾斜产生将切削刀片保持在工具柄上的轴向力。 披露摘要根据37 C.F.R.的要求提交。 §1.72（b）。 如37 C.F.R. §1.72（b）：说明书中的技术性披露的简要摘要必须在单独的表格上开始，最好是在权利要求之后，在“披露摘要”标题下。摘要的目的是使专利和商标 办公室和公众一般从粗略检查中快速确定技术披露的性质和要点。 摘要不得用于解释权利要求的范围。 因此，与摘要有关的任何陈述不旨在以任何方式限制权利要求，也不应被解释为以任何方式限制权利要求。

    ROTARY CUTTING TOOL, SUCH AS A DRILL, COMPRISING AN EXCHANGEABLE CUTTING INSERT, AND AN EXCHANGEABLE CUTTING INSERT
    10.
    发明申请
    ROTARY CUTTING TOOL, SUCH AS A DRILL, COMPRISING AN EXCHANGEABLE CUTTING INSERT, AND AN EXCHANGEABLE CUTTING INSERT 有权
    旋转切割工具，如钻石，包含可交换的切割刀片和可交换的切割刀片

    公开(公告)号：US20080213053A1

    公开(公告)日：2008-09-04

    申请号：US12047904

    申请日：2008-03-13

    Applicant: Bernhard Borschert ,  Dieter Muhlfriedel ,  Jurgen Schwagerl ,  Ruy Frota De Souza ,  Michael D. Shultz ,  Michael R. McCormick ,  Robert A. Erickson

    Inventor： Bernhard Borschert ,  Dieter Muhlfriedel ,  Jurgen Schwagerl ,  Ruy Frota De Souza ,  Michael D. Shultz ,  Michael R. McCormick ,  Robert A. Erickson

    IPC: B23B51/02

    CPC classification number: B23B51/00 ,  B23B51/02 ,  B23B2205/02 ,  B23B2251/02 ,  B23B2251/50 ,  B23C5/109 ,  B23D77/025 ,  B23D2277/02 ,  Y10S408/713 ,  Y10T408/892 ,  Y10T408/907 ,  Y10T408/909 ,  Y10T408/9095 ,  Y10T408/9097 ,  Y10T408/9098

    Abstract: A rotary cutting tool that is composed of a tool shank with at least one chucking groove or chip flute and one exchangeable cutting insert. At the tip of the shank a recess for accommodating the cutting insert is provided. The tool shank, on its circumference, has a limb with a bearing surface that is inclined relative to the tool axis and that corresponds to a likewise inclined bearing surface on a wing of the cutting insert. The inclination of the bearing surfaces produces an axial force that retains the cutting insert on the tool shank. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72(b). As stated in 37 C.F.R. §1.72(b): A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably following the claims, under the heading “Abstract of the Disclosure.” The purpose of the abstract is to enable the Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure. The abstract shall not be used for interpreting the scope of the claims. Therefore, any statements made relating to the abstract are not intended to limit the claims in any manner and should not be interpreted as limiting the claims in any manner.

    Abstract translation: 一种旋转切削工具，其由具有至少一个夹紧槽或切屑槽的工具柄和一个可更换的切削刀片组成。 在柄的尖端处设置有用于容纳切削刀片的凹部。 工具柄在其圆周上具有带有相对于工具轴线倾斜的支承表面的肢体，并且其对应于在切削刀片的机翼上同样倾斜的支承表面。 轴承表面的倾斜产生将切削刀片保持在工具柄上的轴向力。 披露摘要根据37 C.F.R.的要求提交。 §1.72（b）。 如37 C.F.R. §1.72（b）：说明书中技术性披露的简要摘要必须在单独的表格上开始，优选按照权利要求，在“披露摘要”标题下。 摘要的目的是使专利商标局和公众一般能够从粗略检查中快速确定技术披露的性质和要点。 摘要不得用于解释权利要求的范围。 因此，与摘要有关的任何陈述不旨在以任何方式限制权利要求，也不应被解释为以任何方式限制权利要求。

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