Patent attributes
A conceal buckle apparatus includes a box, a buckle, an axle and a locking element. The box includes a rim, a back plate and a connective plate formed between the rim and the back plate. An opening includes a portion in the connective plate and another portion in the back plate. The buckle includes two lateral portions extending out of the recess via the opening and a middle portion extending perpendicular to the lateral portions. The axle is connected to the lateral portions of the buckle and formed with two terminal sections each of which comprises at least three faces. The locking element is connected to the box and formed with five contact portions. Two of the contact portions are in contact with two of the faces of the axle when the lateral portions of the buckle extend perpendicular or parallel to the back plate.