Patent ID: 8631621

Claim:
A locking device for use in a hook connection of rectangular, tabular panels, in order to prevent, in a hooked state of two panels, release of the hook connection in a direction perpendicular to a plane of the hooked panels, the panels having corresponding hook elements on opposite small faces of each panel, and a small face of one of the panels has a first groove which extends into the small face parallel to the plane of the hooked panels wherein it is possible to make the hook connection with the corresponding hook elements of two similar panels, the locking device comprising: a locking element, wherein, the locking element has a first retaining element extending from one end of the back of the locking element which is intended to be engageable with a wall of the first groove, the first retaining element extending rearward from the back of the locking element into the first groove, and wherein, in a pre-mounted state, the locking element is arrangeable in the first groove so as to be adjacent to the small face of the one of the panels.