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    • 1. 再颁专利
    • Modular drill
    • 模块钻
    • USRE44915E1
    • 2014-05-27
    • US12640882
    • 2009-12-17
    • Filho Ruy Frota de Souza
    • Filho Ruy Frota de Souza
    • B23B51/02B23B51/12
    • B23B51/00B23B2251/02Y10T408/909Y10T408/9097Y10T408/9098
    • A drill having a replaceable cutting head, modified to eliminate forces which would distort the pocket of the drill shank and otherwise concentrate stresses which would cause failure of the drill. The cutting head has a frustoconical depending connecting member received in a receptacle formed in the shank. In different embodiments, contact between the pocket formed in the shank and the cutting head connecting member is limited. In one embodiment, angle of drive surfaces is modified from prior art practice. In another embodiment, transition of at curved joints between vertical and horizontal surfaces is made more gradual. The drill preferably has flutes formed collectively by the shank and cutting head when assembled.
    • 具有可替换切割头的钻头,其被修改以消除将扭曲钻柄的凹坑的力并且另外集中将引起钻头失效的应力。 切割头具有收缩在形成在柄部中的容器中的截头圆锥形的连接构件。 在不同的实施例中,形成在柄部中的凹穴与切割头连接构件之间的接触受到限制。 在一个实施例中,驱动表面的角度从现有技术的实践中被修改。 在另一个实施例中,在垂直和水平表面之间的弯曲接头处的过渡变得更渐进。 当组装时,钻头优选地由柄和切割头集体形成的槽纹。
    • 3. 发明授权
    • Modular drill
    • 模块钻
    • US07309196B2
    • 2007-12-18
    • US10958227
    • 2004-10-05
    • Filho Ruy Frota de Souza
    • Filho Ruy Frota de Souza
    • B23B51/00
    • B23B51/00B23B2251/02Y10T408/909Y10T408/9097Y10T408/9098
    • A drill having a replaceable cutting head, modified to eliminate forces which would distort the pocket of the drill shank and otherwise concentrate stresses which would cause failure of the drill. The cutting head has a frustoconical depending connecting member received in a receptacle formed in the shank. In different embodiments, contact between the pocket formed in the shank and the cutting head connecting member is limited. In one embodiment, angle of drive surfaces is modified from prior art practice. In another embodiment, transition of at curved joints between vertical and horizontal surfaces is made more gradual. The drill preferably has flutes formed collectively by the shank and cutting head when assembled.
    • 具有可替换切割头的钻头,其被修改以消除将扭曲钻柄的凹坑的力并且另外集中将引起钻头故障的应力。 切割头具有收缩在形成在柄部中的容器中的截头圆锥形的连接构件。 在不同的实施例中,形成在柄部中的凹穴与切割头连接构件之间的接触受到限制。 在一个实施例中,驱动表面的角度从现有技术的实践中被修改。 在另一个实施例中,在垂直和水平表面之间的弯曲接头处的过渡变得更渐进。 当组装时,钻头优选地由柄和切割头集体形成的槽纹。
    • 5. 发明授权
    • Rotary cutting tool assembly and cutting insert and tool shank therefor
    • 旋转刀具组件和切削刀片及刀柄
    • US07625161B1
    • 2009-12-01
    • US12188383
    • 2008-08-08
    • Filho Ruy Frota de Souza
    • Filho Ruy Frota de Souza
    • B23B51/02B23B51/06
    • B23B51/06B23B51/02B23B2205/02B23B2251/02B23B2251/50B23B2260/072B23B2260/078Y10S408/713Y10T407/1906Y10T407/1908Y10T407/23Y10T408/909
    • A tool shank and a replaceable cutting insert are provided for a rotary cutting tool assembly. The tool shank has a drive surface including a central portion, a first portion of generally planar shape extending away from the central portion and a second portion of generally planar shape extending away from the central portion in a direction generally transverse to a central axis of the tool shank. The replaceable cutting insert has a driven surface including another central portion, a first portion of generally planar shape extending away from the other central portion and a second portion of generally planar shape extending away from the other central portion in a direction generally transverse to a central axis of the insert. The central portion of the driven surface has a curved surface transitioning between the first portion and the second portion of the driven surface. A portion of the driven surface of the replaceable cutting insert is engaged by a corresponding portion of the drive surface of the tool shank.
    • 提供了用于旋转切割工具组件的工具柄和可替换的切削刀片。 工具柄具有驱动表面,该驱动表面包括中心部分,远离中心部分延伸的大致平面形状的第一部分和大致平面形状的第二部分,该第二部分大致平面形状沿大致横向于中心部分的中心轴线的中心部分延伸 工具柄 可更换的切削刀片具有从动表面,该从动表面包括另一个中心部分,远离另一个中心部分延伸的大致平面形状的第一部分和大致平面形状的第二部分,该第二部分大致平面形状沿大致横向于中心的方向延伸离开另一个中心部分 插入轴。 被驱动表面的中心部分具有在被驱动表面的第一部分和第二部分之间的弯曲表面。 可更换切削刀片的从动表面的一部分由工具柄的驱动表面的对应部分接合。