Device for detecting the tension of scraper chains

Details Device for detecting the tension of scraper chains Device for detecting the tension of scraper chains

2006-10-10

2006-10-10

Crawford, Gene O. (Department: 3651)

Conveyors: power-driven

Conveyor section

Endless conveyor

C198S810010, C198S813000, C198S502100

Reexamination Certificate

active

07117989

ABSTRACT:
A device for detection and adjustment of the tension of a scraper chain of a chain conveyor, in particular of a face conveyor, having a tensionable return station, on which a spoked chainwheel to reverse the scraper chain, having chain links and scrapers attached thereto, is supported between the bottom race and the top race. The devices including a sensor which determines the tension of the scraper chain at the return station and the sensor having a swivellable sensor body coupled with a shaft encoder. The sensor body being in the top race and in contact with the upper face of the scraper chain in a measurement zone with provision being made in the measuring zone for vertical play for the run of the scrapers and/or the chain links.

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German Search Report, Jun. 9, 2004, 3 pages, Germany.

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