Patent ID: 11970353
Assignee: BOBST MEX SA
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 14:
15. A gripper assembly for recovering a layout from a sheet material, the gripper assembly comprising:
a conveyor unit for providing the sheet material, wherein the conveyor unit is equipped with a vacuum system for holding the sheet material on the conveyor unit;
a first vacuum gripper being adapted for interacting with the sheet material provided by the conveyor unit, the first vacuum gripper comprising a first gripper body on which a first array of air flow openings is arranged, each air flow opening of the first array being adapted to seize at least a first portion of the sheet material by applying a vacuum force thereto, wherein, among the first array of air flow openings, air flow openings associated with one or more blanks of the layout are selectively open while air flow openings associated with waste of the sheet material are selectively closed; and
a second vacuum gripper being adapted for interacting with the sheet material provided by the conveyor unit, the second vacuum gripper comprising a second gripper body on which a second array of air flow openings is arranged, each air flow opening of the second array being adapted to seize at least a second portion of the sheet material by applying a vacuum force thereto, wherein, among the second array of air flow openings, air flow openings associated with one or more blanks of the layout are selectively open while air flow openings associated with waste of the sheet material are selectively closed.