In one aspect the invention provides a safety lock device, for use with a pump-jack having a gear box and at least one rotating member, the safety lock device comprising an engagement member suitable for securely engaging the rotating member to prevent further substantial rotation of said rotating member and a mounting frame to mount the safety lock device to the gear box. The engagement member may be actuated between a locked position and an unlocked position.


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    Titel :

    Safety lock device for pump-jack


    Beteiligte:
    BECK MICHAEL (Autor:in) / ATWATER DANIEL (Autor:in)

    Erscheinungsdatum :

    21.02.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62C VEHICLES DRAWN BY ANIMALS , Von Tieren gezogene Fahrzeuge / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen



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