Patent ID: 8402618

Claim:
Fastening device, comprising a first element configured to be fixed to a substrate; and a second element which, to fasten an object to the substrate, can be releasably fastened to the first element by way of a snapping part of said first element and a snapping part of said second element, and wherein said first and second elements, remote from their respective snapping parts, each have a hooking part such that, in order to be mutually snap-fixed to each other, said first and second elements at first have to be mutually engaged under a mutual angle by said respective hooking parts and then have to be pivoted onto each other; wherein: the hooking part of said first element comprises a base and a free edge, and is limited to a single location of said first element, and from its base to its free edge decreases in width; the hooking part of said second element comprises a base and a free edge and extends completely around said second element; the hooking part of said second element is part of a hat-shaped part of said second element; the hooking part of said second element extends obliquely upward to its free edge; the hooking part of said second element merges with an upright wall of said second element at its side facing away from its free edge; such that if said first and second elements are mutually fastened: said respective hooking parts can be mutually, limitlessly turned in the plane of the fastener without said first and second elements becoming disengaged; and said upright wall of said second element extends to above the hooking part of said first element and the free edge of the hooking part of said first element faces said upright wall of said second element with a small gap in between said free edge and said upright wall.