Patents Assigned to Cerberus Termunterzijl Beheer B.V.
  • Patent number: 9840821
    Abstract: A gripper device comprises a gripper with a gripper arm rotatable around a rotation axis such that the gripper is movable between an open end position and a closed end position, and a hoisting device connected to the gripper and comprising a first cable and a second cable which are each connected with their one outer end to the gripper and are each connected with their other outer end to respectively a first and second hoisting means for raising and lowering the gripper with the cables, wherein each hoisting means is, driven by a separate drive, wherein a controller transmits the same control signal to both drives for the purpose of raising or lowering the gripper, and each drive comprises a motor with internal slippage or a slippage coupling so that synchronous running of the hoisting means is automatically realized.
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: December 12, 2017
    Assignee: Cerberus Termunterzijl Beheer B.V.
    Inventors: Robert Alexander Haak, Harm Jan Grijpstra