Conveyors: power-driven – Conveyor having impinging fluid to feed – shift or discharge...
Reexamination Certificate
2003-04-25
2008-03-25
Crawford, Gene C (Department: 3651)
Conveyors: power-driven
Conveyor having impinging fluid to feed, shift or discharge...
C198S494000
Reexamination Certificate
active
07347314
ABSTRACT:
The invention provides a movable walkway installation (10), such as an escalator or a travelator, which installation (10) includes a movable support member (18) for transporting persons supported thereon, a movable handrail (16) for gripping by persons transported by the movable support member (18), and a disinfecting device (14) which is installed and positioned for disinfecting the movable handrail (16) during movement of the handrail (16) past the disinfecting device (14). The disinfecting device (10) may be arranged to produce ultra-violet radiation selected to have a disinfecting or germicidal effect.
REFERENCES:
patent: 3946853 (1976-03-01), Ishida
patent: 4698486 (1987-10-01), Sheets
patent: 4934512 (1990-06-01), Lin et al.
patent: 4976342 (1990-12-01), Hwang
patent: 2257841 (1974-05-01), None
patent: 11 116173 (1999-04-01), None
patent: 11116173 (1999-04-01), None
Crawford Gene C
Otis (Proprietary) Limited
Singh Kavel
Welsh & Katz Ltd.
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