Gripper mechanism for sheet or plate-shaped objects manipulating device, especially post processing machine, applies additional closing pivot torque when pulling forces act if claws closed

摘要

The gripper mechanism has a plane approximately perpendicular to the longitudinal axis of the gripper arm, contg. the contact area between the object (G) and a pivotable gripper claw (6a, 6b) and at a distance (S) from the claw pivot axis in the arm axis direction so that an additional pivot torque acts on it in the closing direction when pulling forces act that tend to remove the object when the claws (5, 6a, 6b) are closed.