Apparatus for supporting a mine roof support assembly

Details Apparatus for supporting a mine roof support assembly Apparatus for supporting a mine roof support assembly

1980-04-25

1982-04-13

Taylor, Dennis L.

Hydraulic and earth engineering

Earth treatment or control

Shoring, bracing, or cave-in prevention

405192, E21D 1544

Patent

active

043245102

ABSTRACT:
Apparatus is disclosed for supporting the lowermost roof support unit of a series of roof support units positioned side-by-side in an inclined longwall working. The support apparatus comprises a beam mounted for pivotal movement in a plane parallel to the floor of the working. The beam can be held in any given angular position. A support plate is provided for engagement with the side of the lowermost roof support unit. The support plate is movable towards, and away from, the beam by means of hydraulic rams, which also constitute means for holding the support plate and the beam at any given spacing within a predetermined range of spacings.

REFERENCES:
patent: 4183700 (1980-01-01), Klinggraff et al.

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