B66B17/14—Applications of loading and unloading equipment
B66B17/16—Applications of loading and unloading equipment for loading and unloading mining-hoist cars or cages
B66B17/20—Applications of loading and unloading equipment for loading and unloading mining-hoist cars or cages by moving vehicles into, or out of, the cars or cages
Ensemble de verrouillage pour une installation de fermeture d'une ouverture d'une construction et installation de fermeture d'une ouverture d'une construction comportant un tel ensemble de verrouillage