To provide a concealed hinge for doors and/or openable furniture parts.
A first cam element 5 and a second cam element 6 are formed on an arm element 20 of a connecting device, are located at different positions along a pin 3 which forms part a first fastening member 1a and about which the arm element 20 rotates, and extend around the pin 3. In the first fastening member 1a, a first and a second tappet 50,60, biased by respective first and second elastic means 51,61, interact, respectively, with a corresponding active portion of the first cam element 5 and the second cam element 6 in a respective angular field of rotation of the arm element 20 which are at least partly not superposed. The first and second elastic means 51,61 are loaded when the angle of rotation increases in the first or second angular field of rotation, respectively, and are released when the angle of rotation decreases, thereby causing movement towards the closed position.
Yoshihiro Fukuhara
Makoto Nakamura
Nobuhisa Nogawa
Toshio Shirane
Takashi Mine
Katsu Sunagawa