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    • 7. 发明申请
    • Threaded fastening systems
    • 螺纹紧固系统
    • US20070201965A1
    • 2007-08-30
    • US11365145
    • 2006-02-28
    • Barry Littlewood
    • Barry Littlewood
    • F16B13/06
    • F16B13/0858F16B39/023F16B39/286
    • A threaded fastening system for fixing together sections of engineering assemblies that are subject to vibration and impact, comprising a primary male threaded fastener having an axially slotted recess in the threaded end thereof, the recess having a maximum diameter, the axial slots defining segments in the end of the male threaded fastener which can be expanded radially: a generally tapered insert having a minimum diameter less than and a maximum diameter greater than the maximum diameter of said recess into which the recess engages, in use, so as to expand said segments radially; a female threaded fastener surrounding at least a part of said male threaded fastener, whereby, in use, the segments of the male threaded fastener expand radially into the threads of said female threaded fastener as the insert is inserted into the recess, characterised in that one of said recess and said insert is provided with a plurality of transverse, generally parallel, grooves and the other of said recess and said insert is provided with at least one transverse raised lip for engagement in one of said grooves such that, in use, as the insert is inserted into the recess, the raised lip rides progressively over said grooves until the lip locks in one of said grooves thereby resisting self loosening of the fastening system.
    • 一种用于将受到振动和冲击的工程组件的部分固定在一起的螺纹紧固系统,包括在其螺纹端具有轴向开槽的凹部的主阳螺纹紧固件,所述凹部具有最大直径,所述轴向槽限定在 外螺纹紧固件的端部可以径向地扩展:大致锥形的插入件,其具有小于和最大直径的最小直径,该最小直径大于所述凹部的最大直径,所述凹部在使用中与所述凹部的最大直径接合,以使所述段径向扩张 ; 一个内螺纹紧固件,其围绕所述阳螺纹紧固件的至少一部分,由此在使用中,当插入件插入凹槽中时,阳螺纹紧固件的部分径向延伸到所述内螺纹紧固件的螺纹中,其特征在于, 并且所述插入件设置有多个横向大致平行的凹槽,并且所述凹部和所述插入件中的另一个设置有至少一个横向凸起唇缘,用于接合在所述凹槽之一中,使得在使用中为 插入件插入到凹部中,凸起的唇缘逐渐越过所述凹槽,直到唇缘锁定在所述凹槽中的一个中,从而抵抗紧固系统的自松动。
    • 10. 发明授权
    • Safety magazines for firing non-lethal training rounds and preventing the loading and firing of live rounds
    • 发射非致命训练轮的安全杂志,防止活火的装载和射击
    • US08434254B1
    • 2013-05-07
    • US13278474
    • 2011-10-21
    • Doug WatchornBarry Littlewood
    • Doug WatchornBarry Littlewood
    • F41A9/61
    • F41A9/65F41A9/71F41A17/34
    • A safety magazine allows training rounds to be fired while preventing the firing of live rounds. The magazine has front and rear walls, whereby the distance between the front wall and the rear wall is less than the length of a standard 5.56×45 mm NATO cartridge. The magazine has an alignment rib projecting from the rear wall that is adapted for insertion into an alignment groove formed in a rear end wall of a standard M16 style magazine well. The magazine has a spacer projecting laterally from the sides of said alignment rib and that is located between the rear wall of the magazine and the rear face of the alignment rib. The spacer is adapted to engage the rear end wall of the standard M16 style magazine well for spacing the rear wall of the safety magazine away from the rear end wall of the magazine well.
    • 安全杂志允许训练轮在同时防止实弹射击。 该杂志具有前壁和后壁,因此前壁和后壁之间的距离小于标准5.56×45mm的北约盒的长度。 该杂志具有从后壁突出的对准肋,该对准肋适于插入形成在标准M16型杂志井的后端壁中的对准槽中。 料仓具有从所述对准肋的侧面横向突出并且位于料仓的后壁和对准肋的后表面之间的间隔件。 间隔件适于接合标准M16型料仓的后端壁,用于将安全仓的后壁与杂物罐的后端壁间隔开。