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11. 发明授权

US5323823A Wood router bit 失效
标题翻译：木路由器位
公开(公告)号：US5323823A
公开(公告)日：1994-06-28
申请号：US989100
申请日：1992-12-11
申请人： Robert K. Kopras
发明人： Robert K. Kopras
IPC分类号： B23C5/10 , B27C1/00 , B27G13/02 , B23B51/02 , B23D13/00
CPC分类号： B27C1/007 , B23C5/10 , B27G13/02 , B23C2240/32 , Y10T407/1948 , Y10T407/1966 , Y10T408/909 , Y10T408/9097
摘要： A router bit for laterally cutting through sheets of wood product, such as plywood and the like. The bit includes a shank portion adapted to be gripped in the chuck of a router, a fluted portion, and a tip. The fluted portion has two helical left-hand flutes. Each flute has a cutting edge and a web portion having a convex surface that extends rearwardly and immediately inwardly from the cutting edge, without a land, in a continuous curve. The flutes are formed by parabolic grinding. In one embodiment the tip is conical in shape and has two diametrically opposed tip flutes for cutting axially into a workpiece. In another embodiment the tip is flat and the bit is adapted only to cut laterally through the workpiece.
摘要翻译：用于横向切割木制品的片材的路由器钻头，例如胶合板等。钻头包括适于被夹持在路由器的卡盘中的柄部分，凹槽部分和尖端。槽纹部分有两个螺旋形的左侧槽纹。每个凹槽具有切割边缘和腹板部分，其具有凸起表面，该凸形表面以连续曲线的方式从切割边缘向后并且立即向内延伸，而没有平台。凹槽由抛物线研磨形成。在一个实施例中，尖端是圆锥形的并且具有两个直径相对的尖端凹槽，用于将轴向切割成工件。在另一个实施例中，尖端是平坦的，并且钻头仅适于横向切割穿过工件。

12. 发明授权

US5143490A Bit for cutting sheetrock 失效
标题翻译：用于切割薄板的位
公开(公告)号：US5143490A
公开(公告)日：1992-09-01
申请号：US736398
申请日：1991-07-26
申请人： Robert K. Kopras
发明人： Robert K. Kopras
IPC分类号： B23C5/10 , B23D61/00 , B28D1/30
CPC分类号： B23C5/10 , B23D61/003 , B28D1/30 , B23B2270/56 , B23C2210/202 , Y10T407/1948 , Y10T407/1966 , Y10T408/352 , Y10T408/9097
摘要： Disclosed is a bit which can be cut both axially and laterally, and which is especially useful to cut an access opening in a sheetrock panel covering an electrical outlet box. The bit self-guides itself laterally around the periphery of the outlet box so that the opening will correspond to the shape of the box. The configuration of the bit permits it to be made in an unusually small diameter so as to minimize the width of the slot it cuts.
摘要翻译：公开了一种可以沿轴向和横向切割的部分，并且其特别有用于在覆盖电插座盒的薄板面板上切割进入开口。该位自身在出口箱的周边横向自我引导，使得开口将对应于箱的形状。钻头的配置允许其以非常小的直径制造，以便使其切割的槽的宽度最小化。

13. 再颁专利

USRE40304E1 Angle attachment for power tool 有权
标题翻译：电动工具的角度附件
公开(公告)号：USRE40304E1
公开(公告)日：2008-05-06
申请号：US10120227
申请日：2002-04-11
申请人： Robert K. Kopras , James Stanley
发明人： Robert K. Kopras , James Stanley
IPC分类号： B24B27/08 , B27C1/00 , B23C1/20
CPC分类号： B24B55/052 , B24B23/028 , B25F3/00 , B25F5/029 , Y10T409/306608
摘要： An angle attachment of a hand-held power tool, such as a spiral cutting tool, includes an angle attachment housing having an open first end adapted to be attached to the motor housing of the power tool. An alignment bearing is mounted in the angle attachment housing and adapted to receive and support a first shaft having a first shaft gear mounted thereon. An attachment shaft is mounted in the angle attachment housing at an angle, e.g., a right angle, to the first shaft. The attachment shaft includes an attachment shaft gear mounted thereon which is engaged with the first shaft gear. One or more attachment shaft bearings are mounted in the angle attachment housing to support the attachment shaft for rotational movement thereof. The first shaft is coupled to a motor shaft of the power tool before the angle attachment housing is attached to the power tool motor housing. Rotation of the first shaft by the power tool motor causes rotation of attachments attached to the attachment shaft mounted at an angle to the first shaft by means of the gear mechanism formed by the engaged first shaft gear and attachment shaft gear.
摘要翻译：诸如螺旋切割工具的手持式电动工具的角度附件包括角度附接壳体，其具有适于附接到电动工具的电动机壳体的敞开的第一端。对准轴承安装在角度附接壳体中并且适于接收和支撑安装在其上的具有第一轴齿轮的第一轴。附接轴以角度例如直角安装在角度附接壳体中，与第一轴相连。安装轴包括安装在其上的与第一轴齿轮接合的附接轴齿轮。一个或多个附接轴轴承安装在角度附接壳体中以支撑附接轴用于其旋转运动。在将角度附接壳体附接到电动工具电动机壳体之前，第一轴联接到电动工具的电动机轴。通过动力工具电动机旋转第一轴，通过由啮合的第一轴齿轮和附接轴齿轮形成的齿轮机构使安装在与第一轴成一定角度的附件轴上的附件旋转。

14. 外观设计

USD465393S1 Automatic locking depth guide 失效
标题翻译：自动锁定深度指南
公开(公告)号：USD465393S1
公开(公告)日：2002-11-12
申请号：US29146544
申请日：2001-08-10
申请人： Robert K. Kopras , Scott P. Adler , Cory R. Boudreau
设计人： Robert K. Kopras , Scott P. Adler , Cory R. Boudreau

15. 发明授权

US06443676B1 Automatic locking depth guide for cutting tools and the like 失效
标题翻译：切割工具等自动锁定深度导轨
公开(公告)号：US06443676B1
公开(公告)日：2002-09-03
申请号：US09613889
申请日：2000-07-11
申请人： Robert K. Kopras
发明人： Robert K. Kopras
IPC分类号： B23C120
CPC分类号： B25F5/003 , B25F5/029 , B27C5/10 , Y10T408/5653 , Y10T408/99 , Y10T409/304088 , Y10T409/306496 , Y10T409/306608 , Y10T409/307952 , Y10T409/308176 , Y10T409/308624 , Y10T409/30868
摘要： A guide for setting the depth of cut of a cutting tool, or other hand-held power tool, which automatically locks into a desired position to set the depth of a cut without requiring manual operation of a locking knob or similar structure. The depth guide is released from the locked Position by actuation of a release switch. The depth guide includes a depth guide base, a depth guide shaft attached to the depth guide base, and an automatic locking and release mechanism coupled to the depth guide shaft. The automatic locking and release mechanism and depth guide shaft may be mounted in a handle of the hand-held power tool, such as a detachable handle, for mounting the depth guide to the tool. A dust collector is provided for removing cutting debris which may accumulate in the base of a depth guide around the point of a cut.
摘要翻译：用于设置切割工具或其他手持式电动工具的切割深度的引导件，其自动锁定到期望位置以设置切割深度而不需要手动操作锁定旋钮或类似结构。通过释放开关的驱动，深度导轨从锁定位置释放。深度引导件包括深度导向器底座，连接到深度导向器底座的深度引导轴以及联接到深度导向轴的自动锁定和释放机构。自动锁定和释放机构和深度导向轴可以安装在手持式电动工具的手柄中，例如可拆卸的把手，用于将深度引导件安装到工具上。提供集尘器用于去除可能积聚在切割点周围的深度导向器底部的切屑。

16. 发明授权

US6048260A Angle attachment for power tool 有权
标题翻译：电动工具的角度附件
公开(公告)号：US6048260A
公开(公告)日：2000-04-11
申请号：US346158
申请日：1999-07-01
申请人： Robert K. Kopras
发明人： Robert K. Kopras
IPC分类号： B24B23/02 , B24B55/05 , B25F3/00 , B25F5/02 , B24B41/04 , B24B23/00
CPC分类号： B24B55/052 , B24B23/028 , B25F3/00 , B25F5/029 , Y10T409/306608
摘要： An angle attachment for a hand-held power tool, such as a spiral cutting tool, includes an angle attachment housing having an open first end adapted to be attached to the motor housing of the power tool. An alignment bearing is mounted in the angle attachment housing and adapted to receive and support a first shaft having a first shaft gear mounted thereon. An attachment shaft is mounted in the angle attachment housing at an angle, e.g., a right angle, to the first shaft. The attachment shaft includes an attachment shaft gear mounted thereon which is engaged with the first shaft gear. One or more attachment shaft bearings are mounted in the angle attachment housing to support the attachment shaft for rotational movement thereof. The first shaft is coupled to a motor shaft of the power tool before the angle attachment housing is attached to the power tool motor housing. Rotation of the first shaft by the power tool motor causes rotation of attachments attached to the attachment shaft mounted at an angle to the first shaft by means of the gear mechanism formed by the engaged first shaft gear and attachment shaft gear.
摘要翻译：用于诸如螺旋切割工具的手持式电动工具的角度附件包括角度附接壳体，其具有适于附接到电动工具的电动机壳体的敞开的第一端。对准轴承安装在角度附接壳体中并且适于接收和支撑安装在其上的具有第一轴齿轮的第一轴。附接轴以角度例如直角安装在角度附接壳体中，与第一轴相连。安装轴包括安装在其上的与第一轴齿轮接合的附接轴齿轮。一个或多个附接轴轴承安装在角度附接壳体中以支撑附接轴用于其旋转运动。在将角度附接壳体附接到电动工具电动机壳体之前，第一轴联接到电动工具的电动机轴。通过动力工具电动机旋转第一轴，通过由啮合的第一轴齿轮和附接轴齿轮形成的齿轮机构使安装在与第一轴成一定角度的附件轴上的附件旋转。

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