Closing sequence controller for double-leaf doors, has lock housing with actuation ring, which is displaced with movement of locked active leaf in closing direction against bearing ring for releasing the locking element

摘要

The controller has a shutter device which is not actuated and the locking device locks the door leaf (1), when stationary leaf (2) is open. The locking device has a lock ball bearing ring which is rotatably received and mounted around the output shaft (5). A locking element is provided between bearing ring and output shaft to clamp the output shaft directly or indirectly on the circumference for blocking active leaf. The lock housing with the actuation ring is displaced with movement of locked active leaf in closing direction against bearing ring for releasing the locking element.