Device for removal of controller assembly from escalator pit

Details Device for removal of controller assembly from escalator pit Device for removal of controller assembly from escalator pit

2005-02-01

2005-02-01

Hess, Douglas (Department: 3651)

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

C198S322000, C198S330000

Reexamination Certificate

active

06848562

ABSTRACT:
In accordance with the present invention, there is a need for removal of the controller assembly from its stored location within the escalator pit for the purpose of working on the escalator or the escalator controller itself. The risk for human injury associated with this removal can be eliminated through the use of the present invention, that of a power driven ejection device for the automatic removal of the escalator controller from the escalator pit, with the main components of the automatic ejection device being the mounting base/guide tube, the drive system, the carriage, the main attachment pin and the controller attachment bracket, the automatic pivoter and the optional latch and manual release.

REFERENCES:
patent: 4360078 (1982-11-01), Schoneweiss
patent: 5135097 (1992-08-01), Saito et al.
patent: 5697485 (1997-12-01), Abraham et al.
patent: 6049189 (2000-04-01), Markus et al.
patent: 6267219 (2001-07-01), Spannhake et al.
patent: 6626279 (2003-09-01), Henkel et al.
patent: 11-157769 (1997-11-01), None

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