Patent ID: 9109366
Filing Date: 2015-08-18
Classification: E04F,Y10T

Abstract:
1. A covering, comprising: first and second panels disposed adjacent to one another and having confronting sides which complement each other, each said side having a groove; and a tongue movably received in one of the grooves of one of the first and second panels for engagement in the groove of the other one of the first and second panels when the first and second panels are connected, wherein the one of the first and second panels has a support rail and a locking rail, said locking rail engaging underneath the other one of the first and second panels for protecting the first and second panels against a tensile force in a plane of installation, and wherein the other one of the first and second panels is supported on the locking rail in a direction perpendicular to the plane of installation and is supported on the support rail only in a direction different from the direction perpendicular to the plane of installation, said support rail being disposed at a greater distance to the locking rail than the one of the grooves of the first and second panels and engaging in the groove of the other one of the first and second panels.