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    HOLE CUTTER WITH MULTIPLE FULCRUMS
    1.
    发明申请
    HOLE CUTTER WITH MULTIPLE FULCRUMS 审中-公开

    公开(公告)号：US20180272441A1

    公开(公告)日：2018-09-27

    申请号：US15989287

    申请日：2018-05-25

    Applicant: IRWIN INDUSTRIAL TOOL COMPANY

    Inventor： Joseph Thomas Novak ,  Matthew Christopher Green

    IPC: B23B51/04

    CPC classification number: B23B51/0453 ,  B23B51/0406 ,  B23B2251/428 ,  B23B2260/082 ,  Y10T408/895

    Abstract: A hole cutter has a cylindrical blade body including a cutting edge and one or more axially-elongated apertures formed within a side wall of the blade body. The axially-elongated aperture is configured to receive a lever, such as a screwdriver, therethrough. Each axially-elongated aperture includes a first fulcrum axially spaced adjacent to the cutting edge, a second fulcrum axially spaced further away from the cutting edge than the first fulcrum, and optionally a third fulcrum axially spaced between the first and second fulcrums. A lever, such as a screwdriver, can be inserted into the aperture and placed against each of the fulcrums to lever slugs out of the interior of the blade body.

    Drill Bit
    2.
    发明申请
    Drill Bit 审中-公开

    公开(公告)号：US20170355103A1

    公开(公告)日：2017-12-14

    申请号：US15617087

    申请日：2017-06-08

    Applicant: C4 Carbides Limited

    Inventor： Paul Duggan ,  Amit Ranjan

    IPC: B28D1/14 ,  B23B51/04

    CPC classification number: B28D1/146 ,  B23B51/042 ,  B23B2228/12 ,  B23B2250/12 ,  B23B2251/428 ,  B28D1/041

    Abstract: There is provided a drill bit for cutting tiles comprising a hollow body portion bearing an annular cutting surface at one end and a wax plug located within the hollow body portion, wherein an internal wall of the hollow body portion has at least one region of reduced thickness so as to provide one or more channels along which melted wax can flow to reach cutting surface. The channels can be provided by an offset central passage within body portion, or as elongate grooves around the internal wall of the hollow body portion. The channels can be helical grooves.

    Power tool arbor device
    4.
    发明授权
    Power tool arbor device 有权
    电动工具心轴装置

    公开(公告)号：US08721236B2

    公开(公告)日：2014-05-13

    申请号：US12910544

    申请日：2010-10-22

    Applicant: Austin J. Kazda ,  Michael S. Steele ,  Douglas W. Allen

    Inventor： Austin J. Kazda ,  Michael S. Steele ,  Douglas W. Allen

    IPC: B27B5/12 ,  B23B51/04

    CPC classification number: B23B51/0473 ,  B23B2240/00 ,  B23B2251/428 ,  B27B5/32 ,  Y10T408/895 ,  Y10T408/95

    Abstract: A power tool arbor assembly includes an arbor; an actuating member located at a second end of the arbor; and a friction member located at the second end of the arbor, the friction member being axially movable along the second end of the arbor. The friction member has a first axial position when no power tool accessory is attached to the second end of the arbor, the friction member being moveable toward a first end of the arbor from the first axial position to a second axial position in response to contact between the power tool accessory and the friction member, and the friction member being moveable toward the first end of the arbor from the second axial position to a third axial position when the actuating member is actuated.

    Abstract translation: 电动工具心轴组件包括心轴; 位于心轴的第二端的致动构件; 以及位于所述心轴的第二端的摩擦构件，所述摩擦构件可沿所述心轴的第二端轴向移动。 当没有电动工具附件附接到心轴的第二端时，摩擦构件具有第一轴向位置，摩擦构件能够响应于第二轴向位置之间的接触而从第一轴向位置朝向心轴的第一端移动到第二轴向位置 动力工具附件和摩擦构件，并且当致动构件被致动时，摩擦构件可从第二轴向位置朝向心轴的第一端移动到第三轴向位置。

    SECURITY DEVICE FOR A POWER TOOL ACCESSORY
    5.
    发明申请
    SECURITY DEVICE FOR A POWER TOOL ACCESSORY 有权
    电动工具附件安全装置

    公开(公告)号：US20140020434A1

    公开(公告)日：2014-01-23

    申请号：US13945584

    申请日：2013-07-18

    Applicant: Milwaukee Electric Tool Corporation

    Inventor： Jeffrey Corbat ,  Thaddeus H. Feiler ,  Todd Taylor

    IPC: E05B73/00

    CPC classification number: G08B13/2434 ,  B23B51/0406 ,  B23B2251/428 ,  B23B2270/32 ,  B23B2270/36 ,  E05B73/0017 ,  Y10T70/5004 ,  Y10T70/7915 ,  Y10T70/7955 ,  Y10T70/8649

    Abstract: A security assembly is configured for attachment to a hole saw having a cap defining a central mounting aperture. The security assembly includes a substantially cylindrical base portion having a central axis. A handle portion is coupled to the cylindrical base portion and defines a tag cavity for housing a security tag. An extension member extends opposite the handle portion from the base portion along the central axis. The extension member engages the central mounting aperture of the hole saw.

    Abstract translation: 安全组件被配置为附接到具有限定中心安装孔的盖的孔锯。 安全组件包括具有中心轴线的大致圆柱形的基部。 手柄部分联接到圆柱形基部并且限定用于容纳安全标签的标签腔。 延伸构件沿着中心轴线从基部延伸到手柄部分。 延伸构件接合孔锯的中心安装孔。

    Plug cutter having staged taper and/or integrated depth stop
    6.
    发明授权
    Plug cutter having staged taper and/or integrated depth stop 有权
    插头切割机具有分段锥度和/或集成深度停止

    公开(公告)号：US06585459B2

    公开(公告)日：2003-07-01

    申请号：US10000353

    申请日：2001-12-04

    Applicant: John Wirth, Jr. ,  Jay L. Sanger ,  Mark K. McCool ,  Paul Brutsman

    Inventor： John Wirth, Jr. ,  Jay L. Sanger ,  Mark K. McCool ,  Paul Brutsman

    IPC: B23G500

    CPC classification number: B23B51/0406 ,  B23B2251/428 ,  Y10T408/893 ,  Y10T408/895

    Abstract: A plug cutter is provided that has a main body with a shank extending from one end and plurality of cutting blades extending from the other end. The blades have a plurality of facets defining cutting edges for cutting and shaving stock material to form a plug. The blades define an inner bore having a staged taper and a radial relief portion is provided so that a gap is defined between an outer surface of the plug being formed and the radially relieved portion of the inner surface of the blades. The plug cutter has a built-in depth stop to provide plug height repeatability and quick set up.

    Abstract translation: 提供一种插头式切割器，其具有主体，该主体具有从一端延伸的柄和从另一端延伸的多个切割刀片。 叶片具有多个限定切割边缘的小面，用于切割和剃刮原料以形成塞子。 叶片限定具有分段锥形的内孔，并且提供径向释放部分，使得在形成的插塞的外表面和叶片的内表面的径向释放部分之间限定间隙。 插头切割机具有内置的深度限位器，可提供插头高度重复性和快速设置。

    Cutter for use in forming dowels, plugs, and tenons
    7.
    发明授权
    Cutter for use in forming dowels, plugs, and tenons 失效
    用于成型榫钉，插头和榫头的切割机

    公开(公告)号：US5842820A

    公开(公告)日：1998-12-01

    申请号：US787645

    申请日：1997-01-23

    Applicant: Leonard G. Lee ,  Robin C. Lee

    Inventor： Leonard G. Lee ,  Robin C. Lee

    IPC: B23B51/04

    CPC classification number: B23B51/0406 ,  B23B2251/408 ,  B23B2251/428 ,  B23B2251/50 ,  Y10T408/895 ,  Y10T408/8957

    Abstract: A cutter for use in fabricating dowels, plugs, or tenons has a hex-shaped shank and a body portion. The body portion includes a spur which is the first part of the cutter to contact the wood and which makes an initial depression into the wood. A cutting tooth has a cutting edge for cutting a trough into the wood and is the widest part of the cutter. The exterior surfaces of the cutter above the cutting tooth are formed at smaller radial distances and consequently have less, if not no, contact with the piece of wood being cut. The cutting tooth may be tapered along its height whereby the bottom of the tooth would be the thickest part of the tooth and would have the most contact with the wood. Also, the portion of the cutter trailing the spur may be formed with teeth and flutes thereby reducing the amount of contact between the cutter and the wood. By reducing the amount of contact between the wood and the cutter, the cutter has a reduced amount of friction with the wood. Since a significant concern with conventional cutters is the build-up of heat, by reducing friction the cutters can also reduce the amount of heat generated and reduce any chance that the wood or the cutter becomes burned or otherwise damaged by the heat. Furthermore, the cutters are more efficient to operate since they require less torque and consume less electricity.

    Abstract translation: 用于制造榫钉，塞子或榫头的切割器具有六角形柄和主体部分。 主体部分包括作为切割器与木材接触的第一部分的尖齿，并使初始凹陷进入木材。 切割齿具有用于将槽切割成木材的切割边缘，并且是切割器中最宽的部分。 在切割齿之上的切割器的外表面形成在较小的径向距离处，因此与被切割的木材接触较少（如果不是不接触）。 切割齿可以沿着其高度逐渐变细，由此齿的底部将是牙齿最厚的部分，并且与木材最接触。 此外，切割器的后方的部分可以形成有齿和槽纹，从而减少切割器和木材之间的接触量。 通过减少木材和切割器之间的接触量，切割器与木材的摩擦力减小。 由于常规切割机的重大问题是热量积聚，通过减少摩擦力，切割机也可以减少产生的热量，并减少木材或刀具被燃烧或以其他方式受热损坏的机会。 此外，切割机更有效地操作，因为它们需要更少的扭矩并且消耗更少的电力。

    HOLE SAW
    10.
    发明申请
    HOLE SAW 审中-公开

    公开(公告)号：US20170120346A1

    公开(公告)日：2017-05-04

    申请号：US15407005

    申请日：2017-01-16

    Applicant: Milwaukee Electric Tool Corporation

    Inventor： Geoffrey R. Piller ,  Jason M. Thom ,  Ryan J. Malloy ,  Todd A. Taylor

    IPC: B23B51/04

    CPC classification number: B23B51/0406 ,  B23B2251/428 ,  B23B2260/072 ,  B23B2260/082 ,  Y10T408/895

    Abstract: A hole saw includes a cylindrical body disposed along an axis of rotation with a side wall extending axially from a cap end to a cutting end. The cutting end includes a plurality of cutting teeth. The hole saw also includes a cap coupled to the cap end of the cylindrical body. The side wall defines an elongated aperture configured to receive a tool for removing work piece plugs from within the cylindrical body. The elongated aperture has a first slot portion adjacent the cutting edge. The first slot portion is oriented perpendicular to the axis of rotation. The elongated aperture also has a second slot portion connected to the first slot portion and extending from the first slot portion toward the cap end. The second slot portion is oriented at an oblique angle relative to the axis of rotation.

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