Being formed whether or not the drive system null gear which makes the polygonal effect decrease in the drive chain which the escalator and

摘要

The present invention relates to a drive system for moving walkways and escalators for. Includes a drive chain one, a part deflection of the drive chain for the system, these at least the one drive motor, is formed as a plate link chain at least selectable whether to cooperate with the gear , in addition to a device for adjusting the speed of each of its component parts and the drive chain near the bending part of the individual are provided.