Patent 11048240 was granted and assigned to KUKA Systems on June, 2021 by the United States Patent and Trademark Office.
The invention relates to a safety device (5) and a safety method for a production station (2) for vehicle body parts (4), and for a conveying means (18) moving into and out of the production station (2) for transporting the workpieces into and out of the production station (2). The production station (2) and the conveying means (18) each have their own controller (13, 21) and their own security circuit (22, 23), wherein the security device (5) connects the security circuits (22, 23) of the production station (2) and of the conveying means (18) located in the production station (2). The security device (5) influences and thereby changes a protection region (29) of a protection device (27) of an intrinsically secure conveying means (18) when moving in and out and within the production station (2).