82108 ⎘
Kinds or types of escalators or moving walkways; Escalators spiral type
VARIABLE SPEED MOVING WALKWAY SYSTEMS
#2Helical escalator system
#3System of hexagonal building units and escalators or moving walkways used therein
#4Duo spiral escalator with curved return
#5DUO SPIRAL ESCALATOR WITH DIRECT RETURN
#6Robotic step transfer system for connecting ascending and descending spiral escalator steps