Abstract: A locking mechanism for locking a cremation urn inside a columbarium chamber or to another appropriate wall surface and a hidden lock for a funeral chamber shutter system are disclosed. The locking mechanism includes a male locking member which is rigidly securable to a wall surface and a female receiving member in one of the top walls, bottom walls and sidewalls of the cremation urn. The female receiving member is securely interlockable with the male locking member. The locking mechanism also includes fastening means for securing the male locking member to the wall surface.

Abstract: A locking mechanism for locking a cremation urn inside a columbarium chamber or to another appropriate wall surface and a hidden lock for a funeral chamber shutter system are disclosed. The locking mechanism includes a male locking member which is rigidly securable to a wall surface, and a female receiving member in one of the top walls, bottom walls and sidewalls of the cremation urn. The female receiving member is securely interlockable with the male locking member. The locking mechanism also includes fastening means for securing the male locking member to the wall surface.