Drive chain for long-wall mining machine

Details Drive chain for long-wall mining machine Drive chain for long-wall mining machine

1995-03-07

1996-12-03

Tsay, Frank

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Sidewall-working

299 841, 198834, 198846, E21C 3520, B65G 2306

Patent

active

055801358

ABSTRACT:
A horizontally extending guide rail has an upwardly open slot and a mining machine is displaceable longitudinally along the guide rail and has a drive wheel with teeth engageable into the slot. A drive chain rides in the slot and has horizontal links and vertical links alternating with the horizontal links and each formed with a horizontal lower shank having ends, a horizontal upper shank having ends above the ends of the respective lower shank and forming an upwardly open pocket dimensioned to receive a tooth of the drive wheel, and a pair of horizontally spaced and vertically extending bights connecting the ends of the upper shank to the ends of the respective lower shank. The bights pass through the horizontal links flanking the respective vertical link.

REFERENCES:
patent: 1724150 (1929-08-01), Webb
patent: 3314526 (1967-04-01), Franek et al.
patent: 3724901 (1973-04-01), Rollins
patent: 4171824 (1979-10-01), Foster
patent: 4282971 (1981-08-01), Becker
patent: 4433777 (1984-02-01), Densmore
patent: 4669560 (1987-06-01), Wilcox, Jr. et al.

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