The handrail drive shaft is installed in the upper drive assembly of the escalator (sidewalk) to transmit power to the handrails on both sides, as shown in the figure below.
The armrest belt drive shaft, mounted in the upper drive unit of the escalator (sidewalk), transmits power to the armrest straps on both sides, as shown below.
The handrail drive shaft is installed in the upper drive assembly of escalator (sidewalk) to transmit power to the handrails on both sides, as shown in the figure below.<br>