Conveyors: power-driven – Conveyor or accessory therefor specialized to convey people – By stairway having steps forming an endless member
Reexamination Certificate
2011-06-14
2011-06-14
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
07958986
ABSTRACT:
An exemplary device for driving a handrail of a passenger conveyor includes a handrail drive member configured to engage a handrail. A motor is associated with the drive member such that a driving output of the motor is exclusively for moving the handrail drive member. An exemplary passenger conveyor includes a step chain and a handrail. A step chain motor is associated with the step chain for moving the step chain. A handrail motor that is distinct from the step chain motor is associated with the handrail for moving the handrail.
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International Search Report and Written Opinion of the International Searching Authority for International application No. PCT/US2006/062468 mailed Sep. 13, 2007.
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Moncini Raymond J.
Winkelhake Dirk
Bidwell James R
Carlson & Gaskey & Olds PC
Otis Elevator Company
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