Scoops 3 and 2 of the bucket are pivoted at points A and B, symmetrically located on head 4 which is suspended from the holding rope at point F. Two ends of flexible link 1, the closing rope, are attached to the scoops at points C and D. When closing rope 1 is pulled upward, scoops 2 and 3 are brought together, closing the bucket with the load.
$2019$FL,MH$