| 摘要 |
PURPOSE: An arm assembly for opening and closing a window is provided to prevent damage to a hinge rivet even if a window is repetitively opened and closed. CONSTITUTION: An arm assembly for opening and closing a window comprises a first fixed frame(10), a first protruded fixed member(60), a first link arm(20), a slider(30), a drive arm(40), a second protruded fixed member(70), a second link arm(50), and a second fixed frame(80). The first fixed frame is fixed to a window frame. The first fixed member is fixed to the top of the first fixed frame using fixing rivets(61,62). One end of the first link arm is coupled to the first fixed member using a hinge rivet(21). The slider is installed on the first fixed frame to be slidable. One end of the drive arm is coupled to the slider, and the other end is coupled to the center of the first link arm. The second fixed member is fixed to the bottom of the first fixed frame using fixing rivets(71,72). One end of the second link arm is coupled to the second fixed member using a hinge rivet(51). The second fixed frame is installed on the side surface of a window. |
