Escalator having handrail/drive-wheel self-adjusting traction me

Details Escalator having handrail/drive-wheel self-adjusting traction me Escalator having handrail/drive-wheel self-adjusting traction me

1996-12-30

1998-07-21

Bidwell, James R.

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

Moving hand-support structure

B65G 2300

Patent

active

057823332

ABSTRACT:
The invention provides an escalator having a handrail arranged on a drive wheel and comprising a handrail drive means and a handrail/drive-wheel traction self-adjusting means. The handrail drive means responds to a handrail drive force, for providing a handrail drive tension force, and further responds to a handrail/drive-wheel traction self-adjusting force, further for providing a handrail/drive-wheel traction force between the drive wheel and the handrail. The handrail/drive-wheel traction self-adjusting means, responds to the handrail drive tension force, for providing the handrail/drive-wheel traction self-adjusting force to adjust the handrail/drive-wheel traction between the drive wheel and the handrail.

REFERENCES:
patent: 3651919 (1972-03-01), Vollmer
patent: 5544730 (1996-08-01), Adrian et al.

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