Feed system of a coal getting combine

Details Feed system of a coal getting combine Feed system of a coal getting combine

1976-06-07

1977-05-24

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Sidewall-working

299 34, 74422, 74465, 105 29R, E21C 2902

Patent

active

040251209

ABSTRACT:
The feed system of a coal getting combine, which works with a face conveyor, comprises: a traction device located on the combine and having a cylinder-shaped sprocket on the side surface of which a circular spherical-shaped recess is provided, slots being made on both inner sides of the spherical recess, said slots having an involute-spherical surface. Arranged lengthwise of the conveyor is a longitudinally traversable guide bar secured at the ends of the conveyor and composed of a number of separate tubular sections articulated together and provided with open-end holes arranged square with the longitudinal axis of said holes. Engagement elements are mounted in the holes of the tubular sections allow motion pivotally around their own axis and traversably, within certain limits, lengthwise of the hole axis, said elements being adapted to interconnect said sections to the traction device and being shaped as fingers with hemispherical ends, the fingers are so positioned that their ends project beyond the holes on both sides of the sections. The circular spherical-shaped recess in the sprocket follows the tubular shape of the sections, and the sprocket itself is adapted to straddle the sections in such a manner that the finger ends should engage the sprocket slot, thus effecting the involute-spherical mangle-type gearing, whereby the fingers can be turned.

REFERENCES:
patent: 3079807 (1963-03-01), Hornsteiner
patent: 3753596 (1973-08-01), Pentith

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