Advance mechanism, preferably for mining machines

Details Advance mechanism, preferably for mining machines Advance mechanism, preferably for mining machines

1980-06-11

1982-04-27

Pate, III, William F.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Sidewall-working

105 29R, E21C 2902

Patent

active

043267530

ABSTRACT:
A rack for mounting on a segmented mine wall face conveyor and for assisting the movement of a drum mining machine along the conveyor, the rack comprising a series of rack segments aligned substantially in an end-to-end relationship, each rack segment provided with a plurality of equidistantly spaced pins adapted for driving engagement with a pinion of the drum mining machine, each segment rotatably mounted on the conveyor, and adjacent rack segments rotatably joined together by a connection link. Means are disclosed for extending and contracting the connection link relative to each adjacent rack segment, and means are disclosed for maintaining the rack at a relatively constant position relative to the pinion in the region of engagement with the pinion.

REFERENCES:
patent: 4103975 (1978-08-01), Funke
patent: 4155600 (1979-05-01), Lanfermann
patent: 4162810 (1979-07-01), Oberste-Beulmonn
patent: 4184715 (1980-01-01), Lanfermann
patent: 4186970 (1980-02-01), Minke

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