Patent ID: 7821783
Filing Date: 2010-10-26
Classification: E05D,E05Y,H04M,Y10T

Abstract:
1. A double hinge assembly, comprising: a first hinge subassembly comprising a first rotatable pivot shaft; a second hinge subassembly comprising a second rotatable pivot shaft; a first bracket fixed to the first rotatable pivot shaft; a second bracket fixed to the second rotatable pivot shaft; and a connecting member, wherein the first hinge subassembly and the second hinge subassembly are rotatably mounted to the connecting member, and a rotating axis of the first rotatable pivot shaft is substantially parallel to a rotating axis of the second rotatable pivot shaft; wherein the first hinge subassembly comprises a first cam and a limiting ring located at opposite sides of the connecting member, the first cam non-rotatably sleeved on the first rotatable pivot shaft, and the first cam has an engaging surface engaging with the connecting member, the limiting ring non-rotatably sleeved on the first rotatable pivot shaft, the limiting ring defines a limiting guide groove in the cylindrical surface, the connecting member forms a limiting protrusion, and the limiting protrusion is configured to be slidable in the limiting guide groove of the limiting ring defining a range of first angular rotation between the first rotatable pivot shaft and the connecting member.