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    • 10. 发明授权
    • Tamper reistant fastener
    • 防篡改紧固件
    • US06341927B2
    • 2002-01-29
    • US09358642
    • 1999-07-23
    • Kip HampsonTodd IvanochkoLinda Young
    • Kip HampsonTodd IvanochkoLinda Young
    • F16B2300
    • F16B23/0069F16B23/0076Y10S411/91
    • A tamper resistant fastener, which can only be rotated with a specific key, is described. The fastener includes a head for rotation about a vertical axis. The head is provided with the least two cutouts in the head of the faster spaced away from the vertical axis, the cutouts having a discontinuous sidewall. The side wall of each of the cutouts has a first generally vertical engaging surface for engagement by a mating member on a specific key for clockwise rotation of the head about the vertical axis and a second generally vertical engaging surface for engagement by the mating member on the specific key for counter clockwise rotation of the head about vertical axis. The side wall of the cutout is interrupted adjacent the second engaging surface to prevent engagement by a tool other than the specific key and thereby prevent rotation of the fastener in a counter clockwise direction by a tool other than the specific key.
    • 描述了只能用特定键旋转的防篡改紧固件。 紧固件包括用于围绕垂直轴线旋转的头部。 头部设置有与垂直轴线更快间隔开的头部中的至少两个切口,切口具有不连续的侧壁。 每个切口的侧壁具有第一大致垂直的接合表面,用于由特定键上的配合构件接合,用于头部围绕垂直轴线的顺时针旋转;以及第二大致垂直的接合表面,用于由配合构件在 头部围绕垂直轴逆时针旋转的特定键。 切口的侧壁相邻于第二接合表面被中断,以防止与特定键之外的工具接合,从而通过除特定键之外的工具防止紧固件沿逆时针方向旋转。