Escalator defective roller detector

Details Escalator defective roller detector Escalator defective roller detector

1994-12-19

1995-11-21

Raevis, R.

Measuring and testing

Testing of apparatus

33666, 33523, G01B 528

Patent

active

054676584

ABSTRACT:
A portable testing and recording system for detecting defective escalator rollers. The system incorporates a level sensitive detector which actuates an audible, visual and/or marking indicator to alert a repair person to properly identify a defective roller and/or related parts.

REFERENCES:
patent: 3037294 (1962-06-01), Graff
patent: 3136070 (1964-06-01), Keen et al.
patent: 5096040 (1992-03-01), Wente et al.
patent: 5236075 (1993-08-01), Bartmann
patent: 5255771 (1993-10-01), Nurnberg et al.
patent: 5316121 (1994-05-01), Zaharia et al.

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