Patent ID: 7721388
Filing Date: 2010-05-25
Classification: E05D,E05F,E05Y,Y10T

Abstract:
1. A door hinge comprising: a fixing member coupled with a door frame; an activating member coupled with a door, and connecting to the fixing member with a hinge for opening and closing the door, the activating member including a guide cam hole; a guide pin received in the guide cam hole of the activating member, and elastically moving up and down along the guide cam hole by a tension force of a spring which is coupled with the activating member; and a guide frame coupled to the guide pin, and connecting with the fixing member via a pivot pin, and rotating about the pivot pin in response to an operation of the activating member; wherein the guide cam hole has a curved contour; wherein the door hinge further comprises a plate spring attached to one side of the activating member for restricting a rotational movement of the guide frame by a spring force of the plate spring.