Scraper chain conveyor with rack for the chainless feed of winning machines
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United States of America Patent
Stats
-
Mar 17, 1981
Grant Date -
N/A
app pub date -
Nov 15, 1979
filing date -
Nov 18, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A chain conveyor section of a longwall conveying device for underground mining of a longwall using a winning machine riding on the conveying device comprising a trough member defining a trough adapted to receive a scraper chain therein the trough member having one flanged side wall and one unflanged side wall positionable next to the longwall, a main rack section connected to the unflanged side wall extending over the trough and toward the flanged side wall for holding one end of the scraper in the trough, and an intermediate rack segment pivotally connected to the main rack segment for interconnecting at least the unflanged side wall sides of adjacent chain conveyor sections of the conveying device.
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