Driving system for passenger transportation

Details Driving system for passenger transportation Driving system for passenger transportation

2011-04-05

2011-04-05

Hess, Douglas A (Department: 3651)

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

By stairway having steps forming an endless member

Reexamination Certificate

active

07918326

ABSTRACT:
A driving and/or reversing system includes a driving and/or reversing element and a chain having a plurality of first and second chain pins connected by chain plates. The driving and/or reversing element has first and second pitch circles. First and second chain pins are alternately correspondingly engaged with the first and second pitch circles.

REFERENCES:
patent: 2060491 (1936-11-01), Dunlop
patent: 2103327 (1937-12-01), Handy
patent: 2128310 (1938-08-01), Margles
patent: 4930622 (1990-06-01), Sansevero
patent: 5697486 (1997-12-01), Krampl
patent: 6016902 (2000-01-01), Kwon
patent: 6832678 (2004-12-01), Ogura et al.
patent: 6834754 (2004-12-01), Pietz
patent: 7296671 (2007-11-01), Pietz
patent: 7568571 (2009-08-01), Ogimura et al.
patent: 7665595 (2010-02-01), Matheisl et al.
patent: 0711 725 (1996-05-01), None
patent: WO 00/07924 (2000-02-01), None
patent: WO 03/091145 (2003-11-01), None

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