Patent ID: 7996959

Claim:
A hinge comprising: a bracket assembly having two tilting brackets, and each tilting bracket having a mounting wing having a side edge; and a cam wing being formed on the side edge of the mounting wing and having an outer edge; and an elongated hole being formed through the cam wing; a tilting assembly being connected to the bracket assembly and comprising a central frame being mounted between said tilting brackets and having a first end; a second end being opposite to the first end; a first side; and a second side being opposite to the first side and adjacent to the first and second ends; two tilting shafts being formed respectively on and protruding transversely from the first and second ends of the central frame and being mounted respectively and movably through the elongated holes of the tilting brackets, and each tilting shaft having a non-circular shape in cross section; two actuating disks being mounted respectively around the tilting shafts, and each actuating disk having an abutting surface abutting the cam wing of a corresponding tilting bracket; an actuating protrusion being formed on the abutting surface of the actuating disk and sliding along the outer edge of the cam wing of a corresponding tilting bracket; and a central hole configured to match the shape of the corresponding tilting shaft; and two fastening rings being fastened respectively on the tilting shafts and respectively corresponding to the mounting wings of the tilting brackets; and a rotating assembly being connected to the tilting assembly and comprising a rotating shaft being longitudinally mounted rotatably through the central frame.