Washer (1) comprising a pair of rings (2), each comprising a helical surface (3) and a flat surface (4), the helical surface (3) having a helical angle (α ) with respect to the flat surface (4), wherein the helical surfaces (3) of both rings (2) are intended to face each other, so that the flat surfaces (4) of both rings (2) are contained in parallel planes, wherein at least one flat surface (4) has a termination comprising a plurality of indentations improving the gripping of said flat surface.


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    Title :

    WASHER


    Additional title:

    UNTERLEGSCHEIBE
    MACHINE À LAVER


    Contributors:

    Publication date :

    2021-03-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile / B64C AEROPLANES , Flugzeuge



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