The VBR-600 Dok-Lok Vehicle Trailer Restraint is a recessed system designed to secure a semi-trailer to a loading dock by engaging the trailer's rear impact guard (RIG) with a large, vertical barrier stopping trailer separation. 
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    Exclusive Barrier Design
    
        - 4.25" (108 mm) high barrier with reverse taper design provides the highest and widest coverage on RIG's.
 
    
    Signaling positive engagement
    
        - Truck presence bar is depressed upon positive engagement with RIG signaling safe engagement.
 
        - Exclusive mag res switch design will not come out of adjustment insuring proper communication when engaged or disengaged.
 
        - Automatic re-fire if barrier loses contact with RIG.
 
    
    Safe, constant contact against RIG
    
        - Hydraulic cylinder powers the restraint into position.
 
        - Mechanical springs provide constant contact and float with RIG while loading/unloading.
 
        - Mechanical stop insures barrier is locked on RIG eliminating the need for hydraulic pressure to create "snugging" effect.
 
        - Automatic re-fire if barrier loses contact with RIG.