Mining or in situ disintegration of hard material – Hard material disintegrating machines – Sidewall-working
Patent
1983-06-21
1986-01-14
Reese, Randolph A.
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Sidewall-working
191 12R, E21C 2914, H02G 1100
Patent
active
045642419
ABSTRACT:
A device for extending flexible power supply lines for mining machines which are guided on a conveyor structure and moved back and forth along a longwall by means of a traction element which includes a coal strand and a return strand extending with an enclosed space comprising a housing secured to the conveyor and enclosing a load strand. A return and a cable channel is alongside the load strand channel, with the flexible supply lines being stored at the ends of the longwall towed along by a mining machine through the cable channel. The housing is secured to the conveyor structure and open at one side, and an idle roller is mounted in the housing in the cable channel. The supply lines are supported on the idle rollers. The mining machine is moved by a traction element and the supply lines bear against the traction element at the open side of the cable channel.
REFERENCES:
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patent: 3957311 (1976-05-01), Rosler et al.
patent: 4063782 (1977-12-01), Bahre et al.
patent: 4251110 (1981-02-01), Beckmann et al.
patent: 4391471 (1983-07-01), Hauschopp et al.
patent: 4458950 (1984-07-01), Schwarting et al.
patent: 4474411 (1984-10-01), Peters et al.
patent: 4483567 (1984-11-01), Schwarting
Goris Heinrich
Holz Joachim
Meier Wolfgang
Ogorek Kurt
Schwarting Karl H.
Hubbuch David F.
M.A.N. Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft
Reese Randolph A.
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