| 摘要 |
PURPOSE: A device for opening and closing an entrance is provided without pulling or pushing the entrance. CONSTITUTION: A device for opening and closing an entrance(1000) comprises a first operation unit(100A), a second operation unit(100B), a connection plate, a locking assembly(400), and a compression spring(500). The first operation unit is installed on the entrance, and slides back and forth. The second operation unit faces the first operation unit, and is installed on the opposite surface of the entrance. The second operation unit slides back and forth. The connection plate connects the first and second operation units, and comprises an inclined guide piece. The locking assembly is fixed to the entrance, and guides the first and second operation units. The locking assembly is connected to a latch(11). The latch controls the movement of the entrance. The compression spring is placed inside the connection plate, and one end of the compression spring is connected to the second operation unit. The other end of the compression spring is connected to the locking assembly. |
