A safety indicator for mounting onto a fastener comprises first 12 and second 14 parts that are fixable in relation to one another, at least when the first part is mounted onto the fastener. The first part 12 has a body through which extends a bore (18, Figure 1) configured to releasably mount the first part onto the fastener such that relative movement is inhibited to indicate loosening of the fastener. The first part melts at a higher temperature than the second part. The second part may have a neck (34, Figure 3) forming a hinge connecting a trunk (30) to a head (32). Trunk (30) may be received within bore (18) to relatively fix parts 12 and 14. The head (32) may have curved or chamfered edges and be received in a recess 42 in the first part 12, which has complimentary shape. When used on a wheel fastener, if the wheel overheats, the second part starts to melt and the head may detach from the trunk at the neck, and fall-away from, or move relative to the first part to indicate overheating. A spigot 36 may retain the head on the first part following detachment at the neck.


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    Titel :

    Safety indicator device


    Beteiligte:

    Erscheinungsdatum :

    2020-12-30


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    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 / B60B VEHICLE WHEELS , Räder für Fahrzeuge / G01K MEASURING TEMPERATURE , Messen der Temperatur



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