Device for detecting the tension of scraper chains
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United States of America Patent
Stats
-
Oct 10, 2006
Grant Date -
Mar 17, 2005
app pub date -
Jul 16, 2004
filing date -
Jul 24, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
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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