Door hinge
First Claim
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.
1 Assignment
0 Petitions
Accused Products
Abstract
Provided is a door hinge. The door hinge includes a fixing member, an activating member, a guide pin, and a guide frame. The fixing member is installed at a door frame. The activating member is installed at a door, and connects with the fixing member by a hinge, and opens and closes the door. The guide pin is fitted into guide holes provided at both sides of the activating member, and elastically moves up/down along the guide hole by a tension force of a spring installed inside the activating member. A guide frame is combined to the guide pin, and connects at its lower end with the fixing member by a pin, and rotates about the pin depending on an operation of the activating member. The guide hole is round (R) shaped at its center, and has a curved shape in entirety.
-
Citations
7 Claims
-
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. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
Specification