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    • 13. 实用新型
    • Driver bit
    • JP3147157U
    • 2008-12-18
    • JP2008006992
    • 2008-10-06
    • 秉文 ▲黄▼
    • 秉文 ▲黄▼
    • B25B15/00
    • B25B15/002
    • 【課題】ドライバービットの一端に取付けた刃先部からなるドライバービットを提供する。
      【解決手段】刃先部21は2つ以上の係合面24を有し、各係合面24には多数の錐体突起26を設け、且つ各錐体突起26は等間隔で各係合面24上に規則的に配列し、各錐体突起26先端にはそれぞれ当接点28を形成し、各錐体突起26の当接点28は同一平面上に位置する。 また、連結部31はドライバービット11の他端に取付けてドライバーハンドルに接合する。 そしてユーザーが刃先部21で螺子部材を締着すると、刃先部21上の各錐体突起26の当接点は螺子部材との間で全面的に咬み合って、摩擦力を高め受力が平均となる効果を果たす。
      【選択図】図1
    • 14. 发明专利
    • Rotary tool bit and method for manufacturing rotary tool bit
    • 旋转工具位和制造旋转工具位的方法
    • JP2011177815A
    • 2011-09-15
    • JP2010042847
    • 2010-02-26
    • Vessel Industrial Co Ltd株式会社ベッセル工業
    • TAGUCHI YASUAKITAGUCHI JIRO
    • B25B21/00B25B15/00
    • B25B15/002B25B15/005
    • PROBLEM TO BE SOLVED: To enhance entire surface hardness and abrasion resistance by providing a soft core body having the hardness lower than that of a hardened layer on the inner side of the hardened layer formed on an entire bit surface by executing a plasma carburization treatment, to prevent any local stress concentration by covering the bit with the hardened layer of a closed structure and forming the inner soft core body to be a cushion, and to form the hardened layer at an adequate depth so as to leave the soft core body therein through the plasma carburization treatment.
      SOLUTION: A rotary tool bit 1 subjected to the carburization treatment includes a hardened layer 2 formed by executing the plasma carburization treatment on the entire bit surface S, and a soft core body 3 located inside the hardened layer 2 and having the hardness lower than that of the hardened layer 2.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:通过在整个钻头表面上形成的硬化层的内侧上设置硬度低于硬化层的软质芯体,以提高整个表面硬度和耐磨性,通过执行等离子体 渗碳处理,以通过用封闭结构的硬化层覆盖钻头来防止任何局部应力集中,并将内软芯体形成为衬垫,并在足够的深度形成硬化层,以便离开软芯 其中通过等离子体渗碳处理。 解决方案:经过渗碳处理的旋转刀头1包括通过在整个钻头表面S上执行等离子体渗碳处理形成的硬化层2和位于硬化层2内部的软质芯体3,并且具有硬度 低于硬化层2.版权所有(C)2011,JPO&INPIT
    • 20. 发明公开
    • 십자가형 스크류드라이버
    • 交叉型螺丝刀
    • KR1020130058779A
    • 2013-06-05
    • KR1020110124680
    • 2011-11-26
    • 노영상
    • 노영상
    • B25B15/00B25B15/02B25B23/00
    • B25B15/004B25B15/002
    • PURPOSE: A cross-shaped screwdriver is provided to prevent the abrasion and damages of a cross nut by an electric driver or a general driver using the cross-shaped screwdriver, and to prevent faulty of a product. CONSTITUTION: A cross-shaped screwdriver comprises two front end units(13) in an inclined straight line of the cross-shaped driver among assembling tools, including a straight-shaped driver(12). The cross-shaped driver includes a cross-shaped screwdriver structure combining the straight-shaped driver and the cross-shaped driver on the front end of a bit front end unit for a divided driver and a vibration driver.
    • 目的:提供十字形螺丝刀,以防止电动司机或使用十字形螺丝刀的一般驾驶员对十字螺母的磨损和损坏,并防止产品发生故障。 构成:十字形螺丝刀包括在组装工具中的十字形驱动器的倾斜直线中的两个前端单元(13),其包括直形驱动器(12)。 十字形驱动器包括十字形螺丝刀结构,该十字形螺丝刀结构将直形驱动器和十字形驱动器组合在用于分割驱动器的位前端单元的前端和振动驱动器上。