FIELD: mechanical engineering; scraper conveyors. SUBSTANCE: scraper conveyor chain tensioner has chute, scraper chain and pressure roller installed on axle and engaging with chain. Ends of axle of pressure roller are installed on bracket secured in holes of side walls of lower chute connected with driving head. Bottom of lower chute is provided with cavity for pressure roller and slack portion of lower strand of scraper chain moving off drive shaft. EFFECT: enlarged operating capabilities. 2 dwg
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Authors
Dates
1997-12-20—Published
1995-12-26—Filed