| 摘要 |
PURPOSE: A fastening member and an opening/closing device using the same are provided to enable a user to open and close a heavy door using small power forwarding an opening direction of a door. CONSTITUTION: An opening/closing device using a fastening member comprises a fastening member, a lock fixing member(200), an opening and closing handle(300), and a secondary opening and closing member(400). The fastening member is installed in an opening and closing member(10). The fixing member is fixed and coupled with the fastening member. The fixing member keeps the opening and closing member open or close. The opening and closing handle is connected to the fastening member. The opening and closing handle separates the fastening member from the lock fixing member. The secondary opening and closing member gives the elastic force to the opening and closing progressive direction of opening and closing member. |
