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    Tool attachment
    1.
    发明申请
    Tool attachment 有权

    公开(公告)号：US20130093142A1

    公开(公告)日：2013-04-18

    申请号：US13609996

    申请日：2012-09-11

    申请人： Dietmar SAUR ,  Michael-Andreas GRUNWALD

    发明人： Dietmar SAUR ,  Michael-Andreas GRUNWALD

    IPC分类号： B23B31/02

    CPC分类号： B23B31/02 ,  B23B31/36 ,  B23B51/12 ,  B23B2231/04 ,  B25F3/00 ,  Y10T279/17393 ,  Y10T279/17752 ,  Y10T279/3418 ,  Y10T408/65 ,  Y10T408/957

    摘要： In a tool attachment, for fastening to an handheld machine tool equipped with a tool holding fixture, having an output shaft and a base body, which forms an inner cavity and on whose outer circumference an axially displaceable locking sleeve is situated, for releasing at least one associated locking element against a spring force of a spring element, which has a clamping ring, in the inner cavity, a anti-rotation locking unit is configured for the rotationally locked fastening of the base body to a fastening unit associated with the handheld machine tool, the anti-rotation locking unit and the fastening unit having complementary geometric forms, which are configured to engage with each other for the detachable rotationally locked fastening of the base body on the fastening unit; and the at least one associated locking element being situated in the vicinity of the anti-rotation locking unit.

    Internally squeezing sealable collet
    2.
    发明授权
    Internally squeezing sealable collet 失效
    内部挤压密封夹头

    公开(公告)号：US5716056A

    公开(公告)日：1998-02-10

    申请号：US647232

    申请日：1996-05-09

    申请人： William E. Bokram

    发明人： William E. Bokram

    IPC分类号： B23B31/00 ,  B23B31/20 ,  B23B31/107

    CPC分类号： B23B31/202 ,  B23B31/001 ,  Y10T279/17393 ,  Y10T279/17418 ,  Y10T279/17478 ,  Y10T279/17821 ,  Y10T279/3493 ,  Y10T403/52 ,  Y10T403/7041 ,  Y10T403/7049 ,  Y10T409/30952

    摘要： Collet includes a housing having a wall with external and internal surfaces, having opposing ends, and having an internal hollow portion with at least one opening; and a flap internal of the opposing ends of the housing in the wall and over part of the internal hollow portion of the housing such that, when a suitably firm force is applied from external to the flap, a suitable object such as a rotary tool bit inserted in the internal hollow portion of the housing through the at least one opening can be held securely in place at least partly inside the housing by the flap. The flap may be provided, for example, by two radial slits which may extend into the wall to coincide with the diameter of the housing and which are connected to one axially directed slit. Seal(s), for example, O-ring(s), may be provided between the flap and either end or both ends of the housing and/or internally between the tool shaft and internal collet wall. The collet can be assembled with a collet holder and rotary bit. One collet holder can have a set screw recess provided to ameliorate deformation from tightening a set screw in its housing wall.

    摘要翻译： 夹头包括具有外壁和内表面的壁的壳体，具有相对的端部，并且具有至少一个开口的内部中空部分; 以及在壳体的相对端部的内部的翼片内部和壳体的内部中空部分的上部，使得当从外部向翼片施加适当坚固的力时，适当的物体，例如旋转工具钻头 通过所述至少一个开口插入所述壳体的所述内部中空部分中，所述壳体可以通过所述翼片至少部分地保持在所述壳体内。 翼片可以例如由两个径向狭缝提供，这些狭缝可以延伸到壁中以与壳体的直径相一致并且连接到一个轴向定位的狭缝。 密封件（例如O形环）可以设置在翼片与壳体的任一端或两端之间和/或内部在工具轴和内部夹头壁之间。 夹头可以用夹头和旋转钻头组装。 一个夹头固定器可以具有固定螺钉凹槽，用于通过在其壳体壁中拧紧固定螺钉来改善变形。