Tension release for passenger conveyor

Details Tension release for passenger conveyor Tension release for passenger conveyor

1994-03-01

1996-08-13

Bidwell, James R.

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

Moving hand-support structure

B65G 4300

Patent

active

055447309

ABSTRACT:
The tension on the moving handrail drive and/or step chain of a passenger conveyor such as an escalator or moving walkway is automatically released when the conveyor is shut down; and is automatically reapplied when the conveyor is started up again. Undesirable compression and localized flattening of the elastomeric components of the conveyor are thus avoided.

REFERENCES:
patent: 2649181 (1953-08-01), Hansen
patent: 3170557 (1965-02-01), Takenaga et al.
patent: 3749224 (1973-07-01), Engelet
patent: 4564099 (1986-01-01), Uozumi
patent: 5295567 (1994-03-01), Zaharia et al.

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