A trapped key safety interlock device is used with a coupling 102 that comprises a body provided with a face seal, a rim on one side and a projecting spur on the diametrically opposite side. The safety device includes a coupling part 201, complimentary to the coupling 102 and which comprises a body portion having a rim portion 207 on one side for engagement with the spur of the coupling 102 and having a spur portion 206 for engagement with the rim of the coupling 102. The rim portion accommodates a release mechanism (16, 18, fig 8) for selectively enabling and disabling a key retention mechanism within the device. The key retention mechanism has a key retention condition and a key releasable condition, wherein the release mechanism comprises a primary release mechanism (16, fig 8) and a secondary latching mechanism (18, fig 8) resisting movement of the primary release mechanism until it is actuated itself. This can prevent a vehicle releasably attached to a loading bay by the safety interlock device from being driven away from the loading bay until released using the safety interlock's release procedure.


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    Title :

    Apparatus and method for preventing a vehicle being driven away from a loading bay



    Publication date :

    2016-09-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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