Patent ID: 11959319
Assignee: EMKA BESCHLAGTEILE GMBH & CO. KG
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 15:
16. A closing element, having an actuating element, a closure element, and a closure actuator, wherein the closure actuator is configured to actuate the closure element, the closure element having a threaded pin and a fastening device for fastening the threaded pin to the closing element, wherein the fastening device comprises a fastening element that can be screwed onto the threaded pin; and a back-rotation prevention seal for securing the screwed-on fastening element; wherein the back-rotation prevention seal has a sealing region that seals the threaded pin in relation to the closing element, wherein the threaded pin has a polygonal cross section, and wherein the back-rotation prevention seal has a polygonal cutout for receiving the threaded pin so that the back-rotation prevention seal can be nonrotatably coupled to the threaded pin.