SOUTENEMENT DE TOIT DE MINES

摘要

A support element 10 intended for a roadway to be ripped in underground mine operation has a foot plate 12, a cap 14 and props 15 arranged between the foot plate 12 and cap 14 for setting and withdrawing the support element. The cap 14 has a rear extension cap 60 which can be pivoted relative to the cap 14 between a position directed upwards above the plane of the cap 14 and a position directed downwards below the cap 14. <IMAGE>