Device for locking and unlocking a cover or lid on a frame by means of a key

摘要

A device for locking and unlocking a cover or lid on a frame by means of a key. The device includes an element forming the locking bolt formed of an elastically deformable rod protruding from the cover and terminating in a hook-shaped free end suitable for engaging under a rigid rib of the receiver of the frame and the key has a spur making it possible to elastically move the rod to disengage its hook-shaped end from the rigid rib.