Device for interconnecting two sections of a longwall mining mac

Details Device for interconnecting two sections of a longwall mining mac Device for interconnecting two sections of a longwall mining mac

1983-09-08

1985-05-14

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Sidewall-working

299 34, E21C 3512

Patent

active

045168091

ABSTRACT:
A device for interconnecting two sections of a longwall mining machine secured to the side wall of a face conveyor, characterized in that lugs project outwardly from the sides of adjacent end portions of the respective track sections and receive an oval chain link securing element which extends around the lugs and bridges the joint between the respective track sections.
The chain link element has horizontally-extending portions interconnecting semicircular end portions which extend around the lugs, the horizontally-extending portions being such that elongation of the interconnecting device is limited as is the separation between adjacent end portions. This insures that the clearance between ends of adjacent track sections is sufficient to provide for the correct tooth spacing on a drive rack to accommodate the driving wheel of a mining machine.

REFERENCES:
patent: 4067619 (1978-11-01), Peters et al.
patent: 4162810 (1979-07-01), Oberste-Beulmann
patent: 4205882 (1980-06-01), Hauschopp et al.
patent: 4265488 (1981-05-01), Schupphaus et al.
patent: 4391471 (1983-07-01), Hauschopp et al.

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