Patent No. EP3169618 (titled "Fill Degree Control For A Bulk Material Gripper Of A Crane") was filed by Konecranes on Jul 17, 2015. The application was issued on Jun 5, 2024.
Method for filling a gripper for bulk material, comprising: determining the filling level of the gripper from a load determined immediately after the filled gripper is lifted and the known dead weight of the gripper; and influencing the degree of filling of the gripper by reducing the effect of the gripper's own weight on the bulk material through controlled tensile force in the holding ropes.

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