| 摘要 |
<p>A gripper for lifting a stack (30) of boxes, trays or such substantially rectangular articles, the gripper being provided with a gripper frame (11, 12; 51, 52) and two flat gripper leaves (21) which are movably connected to the gripper frame (11, 12; 51, 52) so as to be movable from an open position to a closed position, the gripper leaves (21) being substantially flat and each being provided near a lower end thereof with a carrying strip (20, 22), which carrying strip (20, 22) is hingedly connected to the gripper leaves (21) so as to be movable from a release position in which the carrying strip (20, 22) extends in the same plane as the associated gripper leaf (21) to a carrying position in which the carrying strip (20, 22) is substantially perpendicular to the gripper leaf (21) and is located between both gripper leaves (21), the gripper being provided with control means (14-19, 23) for controlling the gripper leaves (21) and the carrying strips (20, 22).</p> |
