Drive system for escalators and pedestrian conveyors

Details Drive system for escalators and pedestrian conveyors Drive system for escalators and pedestrian conveyors

2006-01-24

2006-01-24

Crawford, Gene O. (Department: 3651)

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

By stairway having steps forming an endless member

C198S330000, C198S838000

Reexamination Certificate

active

06988608

ABSTRACT:
A drive system for escalators and pedestrian conveyors having a plurality of steps and pallets, respectively, is provided. The drive system includes at least one driving chain including links and joints connecting the links. The driving chain has a chain pitch such that there are no more than two links per step or pallet and the driving chain is connectable to the plurality of steps or pallets via bolts that are positioned between two joints and provided with a roller. The drive system also includes a plurality of interspaced reversing elements having a number of teeth that correspond to the chain pitch.

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Miyata Hiroichi, “Step Chain Buffer Device For Passenger Conveyor”, Patent Abstract of Japan 11 035262, vol. 1999, No. 05, (1999).

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