US Patent 11371542 Set of panels

A method, a locking device and a set of panels, including a panel and an adjacent panel, wherein the panel includes a groove and at least one hole connected to the groove via an opening, the adjacent panel includes a first edge that is configured to be arranged in the groove of the panel, and the panel includes a locking device configured to lock the first edge of the adjacent panel in the groove of the panel, wherein the locking device includes a cylinder and a lever connected to the cylinder, the cylinder is configured to be arranged in the hole in the panel, the cylinder is an eccentric cylinder including a top and bottom base and a locking surface connecting the top and bottom base, the cylinder is configured to act as a cam when the cylinder is turned about an axis in the hole.