Safety device for traveling walkways and escalators has initiators connected to evaluating and control electronics to switch off drive if steps or plates are missing

摘要

The safety device is formed by at least one initiator (7, 7') acting without contact, in working connection with evaluating and control electronics (11). If a step (4) is found to be missing from the step or plate belt. its switches off the drive of the walkway or escalator. The initiator may be in the return bay, close to the turn-around region (2, 3).