ROOF BAR FOR MINE ROOF SUPPORTS

摘要

A roof bar for surface support elements having an L-shaped gap sealing plate which is fixed to at least one side of the roof bar and displaceable toward an adjacent roof bar. The vertical section of the roof bar is formed as a buffer plate for engaging a pivoted hydraulic cylinder supported on the roof bar. A horizontal section of the gap sealing plate is held in a guide below the top plate of the roof bar.