Patent attributes
A hinge for movably attaching parts together incudes a first gear, a second gear, a cover configured to attach the first gear to the second gear, first and second sliding surfaces on the cover wherein the first gear slides on the first sliding surface and the second gear slides on the second sliding surface when the hinge is operated, and an area on the first gear with no teeth configured to slide past the second gear to allow the first gear to enter the cover. Assembling a hinge includes moving a surface without gear teeth on a first gear past a toothed surface on a second gear, moving the first and second gears into a cover, meshing a tooth on the first gear with a tooth on the second gear, and holding the first and second gears together with the cover.