Concealed Hinge

1. Concealed hinge

1 . 1 : Perspective

1 . 2 : Left

1 . 3 : Perspective

1 . 4 : Unfolded

1 . 5 : Unfolded

1 . 6 : Unfolded

1 . 7 : Unfolded

A concealed hinge is formed from two tubular insets with a pair of wedges attached thereto; the tubular insets are mirror-symmetrical and connected via levers; the hinge is equipped with a round locking button, situated between insets, and physically attached only to one of them; between each pair of wedges, the rectangle plate is situated and attached to the levers that are visible when the hinge is opened.