THRESHOLDS

摘要

The present invention provides a threshold arrangement for bridging the gap between a platform edge (2) and a door threshold of a vehicle stationary at the platform, the arrangement comprising a threshold (6) and means for moving this threshold (6) to and fro between a withdrawn position in which sufficient clearance is provided for the vehicle to draw up beside the platform edge (2) and an extended position in which this threshold (6) substantially bridges the gap between the platform edge (2) and the vehicle door threshold. A particular application is in a railway system where the platform is curved and a very significant gap is necessary between the train door thresholds and the platform edge to provide sufficient clearance for trains to negotiate the curve, creating a potential danger to passengers who have to cross this gap. By utilising the invention, this gap can be substantially bridged.