In lowering the bucket, drums 1 and 2 rotate clockwise, in which case the bucket will be open. To close the bucket, drum 1 rotates counterclockwise and drum 2 is stationary. This tensions rope 3 and closing member 4 moves upward, scoops 5 and 6 of the bucket dig into the material, closing until their cutting lips a and b meet in tight contact. In hoisting the load, both drums, 1 and 2, rotate counterclockwise. To dump the load, drum 2 is braked and drum 1 turns clockwise. Then scoops 5 and 6 open due to gravity and the material is dumped.
$2023$FL,MH$