Element to form a rack for a mining machine haulage system

Details Element to form a rack for a mining machine haulage system Element to form a rack for a mining machine haulage system

1990-03-29

1991-02-19

Britts, Ramon S.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Sidewall-working

59 85, 474235, F21C 2904, F16G 1314

Patent

active

049937790

ABSTRACT:
An element, adapted to be inter-engaged with a plurality of similar elements to form a rack for a mining machine haulage system, has each element comprising at one end, a looped end portion including inner and outer arcuate bearing surfaces, the inner bearing surface defining one end of an upwardly open aperture. A downwardly projecting tooth is spaced from the inner bearing surface and adapted to fill partly the aperture of the next adjacent inter-engaged element, while a correspondingly arcuate bearing surface is also provided on the tooth for abutment against the inner arcuate bearing surface of the adjacent element. Also, a transversely extending bridge is provided at the other end of the element, which bridge has transversely extending, and upwardly converging, planar faces for engagement, in use, by a tooth of a driven haulage system of an associated mining machine, dependent upon the direction of haulage. Finally, an arcuate concave bearing surface is also provided at opposite lateral sides of the element, for abutting engagement with the other arcuate bearing surface of the looped end portion of the next adjacent element.

REFERENCES:
patent: 2243274 (1941-05-01), Ernst
patent: 4372619 (1983-02-01), Braun
patent: 4501447 (1985-02-01), Tatton et al.

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