Self advancing mine roof supports
Patent
·
OSTI ID:5591544
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.
- Assignee:
- Dobson Park Industries PLC (United Kingdom)
- Patent Number(s):
- US 4505517
- OSTI ID:
- 5591544
- Resource Relation:
- Patent Priority Date: Priority date 22 Oct 1982, United Kingdom of Great Britain and Northern Ireland (UK); Other Information: PAT-APPL-436126
- Country of Publication:
- United States
- Language:
- English
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