Self-advancing mine roof supports

Details Self-advancing mine roof supports Self-advancing mine roof supports

1982-10-22

1985-03-19

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Stepper-type advance-causing means

299 33, 405291, E21D 2300

Patent

active

045055173

ABSTRACT:
A self-advancing mine-roof-support for use in or aligned with a main roadway or gate has a floor-engaging part and a roof engaging part spaced apart by extensible load-bearing prop or jack means, and engagement means for a face-conveyor and a transversely acting transfer conveyor whereby their relative positions are constrained to facilitate discharge of mineral from one conveyor to the other. The engagement means for the face conveyor comprises sliding anchor beams that assure maintenance of the relative attitudes of the support and the face conveyor and the transfer conveyor is held fore and aft of the support.

REFERENCES:
patent: 4029361 (1977-06-01), Beckmann et al.
patent: 4131317 (1978-12-01), Jamison et al.
patent: 4236850 (1980-12-01), Koppers et al.
patent: 4389072 (1983-06-01), Linke et al.

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