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    • 61. 发明授权
    • Fast lead socket wrench
    • 快速插头扳手
    • US4512220A
    • 1985-04-23
    • US640534
    • 1984-08-13
    • Martin L. Barnhill, IIIWilliam T. Pagac
    • Martin L. Barnhill, IIIWilliam T. Pagac
    • B25B13/06
    • B25B13/065
    • A socket wrench for an hexagonal fastener wherein the clockwise and counterclockwise drive portions of the internal surface configuration of the wrench engage an associated hexagonal fastener with substantially surface to surface contact on each fastener side in close proximity to, but always spaced from, a fastener corner, thereby providing a maximum practical moment arm between wrench and fastener, and yet avoiding deteriorating engagement between the wrench and the fastener corners. The clockwise and counterclockwise drive portions of the wrench occupy the middle about 1/2 of each uniform 60.degree. segment of the wrench opening. The space on the internal surface configuration of the wrench between adjacent pairs of drive portions is relieved just enough to avoid interference with the corners of the fastener, thereby providing a rotational clearance of about 25.degree. with the fastener, the precise angular amount depending on manufacturing tolerances in the wrench and fastener. This extended rotational clearance is particularly advantageous in the field of power driven socket wrenches, especially power driven socket wrenches of the multiple spindle type commonly used in manufacturing operations.
    • 用于六角形紧固件的套筒扳手,其中扳手的内表面构造的顺时针和逆时针驱动部分接合相关联的六角形紧固件,其在每个紧固件侧上基本上与表面接触,紧邻于紧固件角 从而在扳手和紧固件之间提供最大的实际力矩臂,并且避免扳手和紧固件角部之间的接合不良。 扳手的顺时针和逆时针驱动部分占据了扳手开口每个均匀60°段约1/2的中间位置。 相邻成对的驱动部分之间的扳手的内表面构造上的空间就足以避免与紧固件的角部的干涉,从而与紧固件提供约25°的旋转间隙,精确的角度量取决于制造 扳手和紧固件的公差。 这种延长的旋转间隙在动力驱动的套筒扳手领域尤其有利,尤其是在制造操作中常用的多主轴型动力驱动的套筒扳手。
    • 65. 发明授权
    • Alloy steel for severe cold forming
    • 用于严酷冷成型的合金钢
    • US4322247A
    • 1982-03-30
    • US160448
    • 1980-06-18
    • Gary S. Henning
    • Gary S. Henning
    • C21D8/00C22C38/54C22C38/22C22C38/32
    • C22C38/54C21D8/00
    • An alloy steel having superior ductility and a low rate of work hardening for use in severe cold forming processes to provide products with high static and dynamic strength, the alloy steel consisting essentially of from about 0.28% to about 0.33% by weight carbon, from about 0.25% to about 0.65% by weight manganese, up to about 0.15% by weight silicon, from about 0.0005% to about 0.0035% by weight boron, from about 0.4% to about 0.7% by weight nickel, from about 0.4% to about 0.6% by weight chromium, from about 0.15% to about 0.25% by weight molybdenum, and the remainder being iron with minor amounts of impurities and additional alloying elements; a high strength forged tool made from the alloy steel; and the method of forming high strength forged tools including the steps of providing a solid metal slug of the alloy steel, annealing the metal slug for spheroidization to a hardness in the range R.sub.B 70 to R.sub.B 76, cold forming the annealed metal slug into the final shape of the tool, and thereafter heat hardening the formed tool to a hardness in the range R.sub.C 48 to R.sub.C 52, the annealed yield strength being in the range of from about 39,290 PSI to about 43,290 PSI and the reduction of area being in the range of from about 70% to about 74%.
    • 一种合金钢,具有优异的延展性和较低的加工硬化率,用于严酷的冷成型工艺,以提供具有高静态和动态强度的产品,合金钢主要由约0.28%至约0.33%(重量)的碳组成,约为 0.25重量%至约0.65重量%的锰,至多约0.15重量%的硅,约0.0005重量%至约0.0035重量%的硼,约0.4重量%至约0.7重量%的镍,约0.4重量%至约0.6重量% 铬,约0.15重量%至约0.25重量%的钼,其余为铁,其中少量的杂质和另外的合金元素; 由合金钢制成的高强度锻造工具; 以及形成高强度锻造工具的方法,包括以下步骤:提供合金钢的固体金属块,将用于球化的金属块退火到在RB70至RB76范围内的硬度,将退火的金属块冷成形为 该工具,然后将所形成的工具加热硬化至RC48至RC52范围内的硬度,退火的屈服强度在约39,290PSI至约43,490PSI的范围内,并且面积的减小范围为约70 %至约74%。
    • 66. 发明授权
    • Torque release wrench of the preset type
    • 扭矩释放扳手的预设类型
    • US4290329A
    • 1981-09-22
    • US82854
    • 1979-10-09
    • Talmage O. Green
    • Talmage O. Green
    • B25B23/142B25B23/143
    • B25B23/1427
    • The structure in its preferred embodiment involves a preset control device for measuring instruments such as but not limited to torque release wrenches of the preset type wherein an elongated casing and handle confines a work engaging member, an elongated load translating member extends therefrom, and adjustible measuring instrumentalities are intergeared therewith to preset the turning load of release. The measuring instrumentalities are dominated by a simple and compact control unit disposed transversely of the elongated casing and handle member to provide a calibrated dial positoned to rotate in the path of a viewing opening in the casing for manual presetting to a selected load. More specifically, this calibrated dial is peripherally geared to mesh with a pinion fixed to a micrometer-like elongated screw which threadedly engages the work engaging translating member to synchronously set its position simultaneously with the rotary setting of the calibrated dial responsive to manually turning a knob fixed to an accessible end of the micrometer-like screw member. This provides a fully geared control unit to release the work engaging load translating member in relation to a trip element adjustably fixed to the interior of the elongated housing in the path of the translating member.
    • 在其优选实施例中的结构涉及用于测量仪器的预设控制装置,例如但不限于预设类型的扭矩释放扳手,其中细长壳体和手柄限制工件接合构件,从其延伸的细长负载平移构件和可调节测量 将手段与其相互配合以预设释放的转向载荷。 测量仪器由简单紧凑的控制单元控制,横向于细长壳体和手柄构件设置,以提供校准的拨号盘,其被定位成在壳体中的观察开口的路径中旋转以手动预设到选定的负载。 更具体地说,该校准表盘外围地适配于与固定在千分尺细长螺丝上的小齿轮啮合,所述小齿轮螺纹地接合工件接合平移构件,以便与手动转动旋钮的校准拨盘的旋转设置同时设定其位置 固定到测微计状螺钉构件的可接近的端部。 这提供了一个完全齿轮传动的控制单元,用于相对于在平移构件的路径中可调节地固定到细长壳体的内部的跳闸元件释放工作接合负载平移构件。