Roof support connector

A connector for coupling a plurality of underground roof supports, each roof support including a canopy. The connector includes a guide configured to be coupled to one of the roof supports, and an actuator having a bore and a rod at least partially positioned in the bore. An end of the rod is slidab...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	BARBOUR, Nicholas Graeme
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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