Loading Dock Safety System - Omron Scientific Technologies


Omron Scientific Technologies, Inc. introduces the DSS Trapped Key Loading Dock Safety System.  This cost-effective system protects dock workers by enforcing a safe sequence of actions.  It installs quickly to minimize site disruption.  DSS is also easy to use because it uses the trapped key concept – in essence this means that the loading dock door cannot be opened until the trailer brakes are locked.  Once the trailer brake glad-hand is set, the glad-hand key is released allowing the loading dock door to be opened.  This versatile solution works with all vehicle types and can interlock with other existing dock safety products.  The DSS system also ensures compliance with government safety regulations, without wheel chocks or restraints.

“OSHA reports that each year, about 4800 loading dock accidents are the result of a lift truck running off the loading dock, and that doesn’t include near misses that oftentimes aren’t even reported,” says John Peabody, Vice President Integration Services, Omron STI.  “The problem of unauthorized truck departures at a dock during the loading or unloading of a trailer is obviously a very dangerous reality for many companies.”

DSS is a simple and effective three step loading dock safety system.  Operators simply lock the trailer brakes, open the loading dock door (automatic outdoor or manual indoor options are available) and safely load/unload and depart.  This engineered control solution utilizes the braking system of the trailer as the restraint.  When air is released from the trailer’s brake line, the mechanical brakes automatically engage.  The system keeps the brakes locked until loading / unloading is complete.  The trapped key system ensures that the proper safe sequence is followed every time.


  • uses the trapped key concept
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