Guides for centering screws and drill bits in countersink holes
    1.
    发明申请
    Guides for centering screws and drill bits in countersink holes 失效
    螺钉和钻头定位在埋头孔中的指南

    公开(公告)号:US20030059267A1

    公开(公告)日:2003-03-27

    申请号:US09963818

    申请日:2001-09-26

    Abstract: A guide to center a screw or drill bit in the center of a hole of a countersink in a member to engage a piece under the member, the countersink having a downwardly tapered wall from the member to the hole. The guide has a body with a through hole and a tapered part that is to rest on the member tapered wall to align the through hole generally perpendicular to the piece. In a preferred embodiment the guide body tapered part is at an end of the body and the body is of frangible material and holds a screw in the through hole which fractures the body as the screw is threaded into the piece beneath the member. At least one slot is formed in the body along at least a part of its length between its top and bottom ends to facilitate the fracture of the body.

    Abstract translation: 将螺钉或钻头定位在构件中的埋头孔的中心的引导件,以使构件下方的件接合,所述沉孔具有从构件到孔的向下锥形的壁。 引导件具有带通孔的主体和一个锥形部分,该主体部件将在该锥形壁上搁置,以使通孔垂直于该零件对齐。 在优选实施例中,引导体锥形部分位于主体的端部,并且本体是易碎材料,并且当螺钉拧入构件下方的片中时,在通孔中保持螺钉,该螺钉将使主体断裂。 至少一个狭槽在其主体中沿其长度的至少一部分在其顶端和底端之间形成,以促进身体的断裂。

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