ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,099, issued on Dec. 9, was assigned to SICK AG (Waldkirch, Germany).
"Safety locking device" was invented by Stefan Schunke (Freiburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A safety locking device for a movable guard serves to safeguard a machine. The safety locking device is configured to communicate with a safety control apparatus. The safety locking device comprises at least a first radio module for contactless communication with a portable operating unit. The safety locking device is configured to contactlessly receive a selected command from the portable operating unit and to transmit it to the safety control apparatus."
The pa...