A seat belt buckle assembly30 includes a buckle housing 32; a plate 36 extending from the buckle housing and defining a slot 40; and a bracket 42 including a rivet 44 engaged in the slot. The plate and rivet are configured such that, in response to an impact force that exceeds a threshold acting to pull the buckle housing away from the bracket, the slot plastically deforms, permitting the buckle housing and plate to translate relative to the bracket. The slot may be V-shaped and/or have serrated teeth. The thickness of the plate may increase along the length of the slot. A retractor pretensioner 28 may be attached to the bracket via a cable. There may be a locking feature to prevent upward movement of the bracket towards the buckle housing and the plate. Also disclosed is the above mentioned seat belt assembly where the slot is on the bracket and the rivet is on the plate. Also disclosed is a seat belt buckle assembly with a folded plate extending from a buckle housing and a pretensioner retractor attached to the plate via a cable. The folds may be metallic, arranged in a zig-zag pattern, and have different thicknesses.


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    Title :

    Load limiting seat belt buckle assemblies


    Contributors:

    Publication date :

    2017-09-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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