Scraper chain conveyor with rack for the chainless feed of winni

Details Scraper chain conveyor with rack for the chainless feed of winni Scraper chain conveyor with rack for the chainless feed of winni

1979-11-15

1981-03-17

Valenza, Joseph E.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Sidewall-working

198735, E21C 3520

Patent

active

042563453

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.

REFERENCES:
patent: 4006937 (1977-02-01), Curtis
patent: 4103975 (1978-08-01), Funke et al.
patent: 4155600 (1979-05-01), Lanfermann et al.
patent: 4184715 (1980-01-01), Lanfermann
patent: 4186970 (1980-02-01), Minke et al.

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