Device for consecutively supporting a drift

Details Device for consecutively supporting a drift Device for consecutively supporting a drift

1976-10-14

1978-02-28

Taylor, Dennis L.

61 45D, 61 42, 61 84, E21D 15582, E21D 1558

Patent

active

040758567

ABSTRACT:
Device for consecutively supporting a drift by means of caps and posts or props in dependence on face advancement, said device being designed for lifting and for pressing the caps to be positioned against the mine roof, characterized in that a breast frame is provided for being suspended to the positioned caps in a manner to be shiftable in direction of face advancement, lifting beams forming a support for the caps to be positioned being supported on said breast frame for being lifted in upward direction and a crane being guided on the breast frame for being shifted in direction of face advancement.

REFERENCES:
patent: 3247675 (1966-04-01), Winberg
patent: 3905645 (1975-09-01), Bland

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