Sprocket wheel for underground mining
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United States of America Patent
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N/A
Issued Date -
Aug 4, 2005
app pub date -
Jan 21, 2005
filing date -
Jan 29, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a sprocket wheel for underground mining, especially for chain-driven chain scraper conveyors, with a first ring 2 of first tooth elements 5 distributed uniformly about the circumference of the sprocket wheel body 1, at least one second ring 3 or 4, disposed axially offset to the first ring 2, having further tooth elements 6 or 7, distributed uniformly about the circumference. The flanks of the tooth elements that face one another are provided with pockets 13, that serve as contact surfaces for the horizontal chain links 9. In order to increase the service life of the sprocket wheel, the contact surfaces in the pockets 13 of each tooth element 5, 6, 7 comprise a wear inlay 20 of wear-resistant material.
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