Rails guide loading trolleys
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II Utility International has developed a way to keep trolleys away from curtains when loading, using guide rails.
Eleven of the ZT high-cube trailers are entering service with Taylored Lines of West Drayton, which wanted the trolley guides to be retractable so the curtainsiders could also be loaded from the side, The guides also needed to be strong enough to withstand impact from trolleys and had to be fixed rather than detachable so they would not be lost during side loading. The guides retract against sliding side posts when they are not needed. They add 8kg to each post and locate in holes in the aluminium raves when in use.
Utility US's design for aircargo containers formed the basis of the system developed for Taylored Lines.