Passenger conveyer

Details Passenger conveyer Passenger conveyer

1999-03-02

2000-09-19

Bidwell, James R.

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

By stairway having steps forming an endless member

198335, B66B 2306

Patent

active

061198455

ABSTRACT:
Present invention relates to a hand rail driving pulley for a passenger conveyor. According to the invention, when difference between the moving velocity of a step and the moving velocity of a hand rail generates, by adjusting the radius of the driving pulley, the velocity difference can be synchronized without any change of new part. And present invention discloses a new installing method of elastic contacting ring inserted into a groove not the conventional adhering method, so when a worn contacting ring is changed, changing work can be done easily and simply.

REFERENCES:
patent: 2253386 (1941-08-01), McCormick
patent: 3414109 (1968-12-01), Clark
patent: 5125494 (1992-06-01), Nurnberg et al.
patent: 5372232 (1994-12-01), Aris et al.
patent: 5566810 (1996-10-01), Meyer et al.

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