Mining or in situ disintegration of hard material – Hard material disintegrating machines – Sidewall-working
Patent
1979-02-13
1980-12-23
Purser, Ernest R.
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Sidewall-working
105 29R, 474155, E21C 2902
Patent
active
042406684
ABSTRACT:
A driving device for a mining machine comprising an endless link chain exded on a drive wheel, a reversible wheel and a plurality of directing wheels and co-operating with a rack fixed alongside the conveyor. The directing wheels are each composed of two toothed rings separated by a circumferential groove. The outline of the teeth of the wheels is formed of sections of the sides of a regular polygon circumscribed on a circle, the tips of the teeth being truncated. In the intertooth spaces the wheel is provided with recesses below the pitch circle. The links of the chain lying in a plane parallel to the axis of the wheel seat on the flanks of two neighboring teeth, whereas the links lying in a plane perpendicular to the axis are seated in the circumferential groove. The reversible wheel has a shape identical to that of the directing wheels.
REFERENCES:
patent: 2757784 (1956-08-01), Von Stroh et al.
patent: 4006937 (1977-02-01), Curtis
Blazewicz Andrzej
Krutki Marian
Mandat Kazimierz
Sedlaczek Janusz
Wozniak Tadeusz
Centralny Osrodek Projektowokonstrukcyjny Maszyn Gorniczych "Kom
Purser Ernest R.
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