Mine roof support

Details Mine roof support Mine roof support

1977-08-30

1978-10-10

Taylor, Dennis L.

E21D 1544

Patent

active

041189396

ABSTRACT:
This invention provides a mine roof support in which the cover, or canopy, is connected to a framework in such a way that the canopy can tilt relatively to the framework both in the fore-and-aft sense of the support and from side to side of the support. Thus, even though the framework can not tilt relatively to the base, the cover can nevertheless tilt to take up irregularities in the lie of the roof.

REFERENCES:
patent: 3218811 (1965-11-01), Barall et al.
patent: 3324664 (1967-06-01), Allen

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