Lock for sliding door with an automatic return mechanism used on public transport, uses lock with hook that is clear of passage when door is open and which operates in conjunction with gas spring used as automatic closer

摘要

The lock (1) for a sliding door (2) fitted with an automatic return mechanism (3) has mechanism (8), operated by a handle (4), positioned on the upper part of the door clear of the region where people pass. The lock has a control (14) that can keep the door locked or unlocked. The lock operates in conjunction with a gas spring (22) return device with a hydraulic chamber.