About the Innovation:
A package delivery box is disclosed. It comprises a container for accommodating at least one package, an openable lid attached to the container, a closing mechanism for closing the container, and a locking mechanism for locking the closed container. The closing mechanism comprises a pressure plate at a base of the container, a string connecting the pressure plate with the lid, and at least one pull spring between the lid and the container, and the locking mechanism comprises a flexible rod beneath the pressure plate and directly connected to the pressure plate, a slider connected to the flexible rod, and a hole in the lid, wherein the hole is adapted to accommodate insertion of the flexible rod therein.