Mechanism for guiding a coal planer on the trough of a scraper c

Details Mechanism for guiding a coal planer on the trough of a scraper c Mechanism for guiding a coal planer on the trough of a scraper c

1981-02-05

1983-01-04

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Cutter attached to endless chain or cable

E21C 2735

Patent

active

043669905

ABSTRACT:
A device for guiding a coal planer having a planer body on a conveyor trough for planing a coal face, comprising, a shaped planer guide secured to a side of the trough facing the coal face having an upper and lower chain channel for receiving a moving chain for moving the planer body. The upper channel is open toward the coal face. The planer guide includes an upper guide rail embraced by a guide claw connected to the planer body. The guide claw has a portion extending into the upper chain channel. The upper guide rail has a vertical track surface and the planer guide has a horizontal track surface spaced from the vertical track surface on an opposite side of the open upper chain channel. Horizontally and vertically mounted rollers are provided in the guide claw for riding against the vertically and horizontally extending track surfaces.

REFERENCES:
patent: 3357743 (1967-12-01), Lobbe et al.
patent: 3388948 (1968-06-01), Lobbe et al.

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