Passenger conveyor handrail drive control strategy

Details Passenger conveyor handrail drive control strategy Passenger conveyor handrail drive control strategy

2011-06-07

2011-06-07

Bidwell, James R (Department: 3651)

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

By stairway having steps forming an endless member

C198S330000

Reexamination Certificate

active

07954620

ABSTRACT:
A passenger conveyor assembly (20) includes a moveable stepping surface (22). A first drive (50) is operative to move the stepping surface (22). A handrail (30) and a second drive (40) is provided as part of the passenger conveyor assembly (20). A controller (70) controls the second drive (40) independent of the first drive (50) to allow for movement of the stepping surface (22) or the handrail (30) when the other of the handrail (30) or the stepping surface (22) is stationary.

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