Cleaning unit for cleaning travel equipment, travel...

Conveyors: power-driven – Conveyor having impinging fluid to feed – shift or discharge...

Reexamination Certificate

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Details

C198S321000, C198S326000, C198S333000, C198S494000, C198S495000, C198S496000

Reexamination Certificate

active

10977856

ABSTRACT:
A cleaning unit for cleaning travel equipment allows the travel equipment to be shifted from an operating mode to a cleaning mode. The cleaning equipment is an escalator or a moving walkway which has tread units connected with an endless conveyor. The cleaning unit can be mounted as a substitute for a tread unit of the travel equipment during a cleaning sequence and includes cleaning elements. The travel equipment can be shifted from an operating mode to a cleaning mode in which the cleaning equipment is substituted for one or more tread units and the travel equipment operated whereby a cleaning sequence is performed. After cleaning is performed, the equipment is stopped, the cleaning equipment removed, and the removed treads reinstalled.

REFERENCES:
patent: 2617515 (1952-11-01), Hohnecker
patent: 2634850 (1953-04-01), Hansen
patent: 4514872 (1985-05-01), Hopkins
patent: 4519490 (1985-05-01), White
patent: 4934512 (1990-06-01), Lin et al.
patent: 5025527 (1991-06-01), Armstrong
patent: 5042641 (1991-08-01), Soldat
patent: 5117968 (1992-06-01), Rivera
patent: 5236075 (1993-08-01), Bartmann
patent: 5560468 (1996-10-01), Inoue
patent: 6527103 (2003-03-01), Neszmerak
patent: 6543599 (2003-04-01), Jasinetzky
patent: 2001/0025764 (2001-10-01), Neszmerak
patent: 05319768 (1993-12-01), None
patent: 08157176 (1996-06-01), None
patent: 08225285 (1996-09-01), None

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