| 摘要 |
<p>PURPOSE: To provide a door opening and closing device that can open and close a door in a desired direction at a left or right side. CONSTITUTION: A door opening and closing device is provided with hinge shafts 4a and 4b that are provided at both the left and right sides of a body 2 where a door 1 is provided, hinge accommodation members 30a and 30b at both sides having the passage with a hinge accommodation part for accommodating the hinge shafts 4a and 4b so that they can be loaded and unloaded, cam plates 40a and 40b for interlocking the hinge accommodation members 30a and 30b at both sides so that the hinge accommodation member at the other side surrounds the hinge shaft at the other side when the hinge shaft at either side exists the hinge accommodation member at one side, thus simplifying the structure of the device, nearly preventing malfunction, and opening and closing the door 1 softly.</p> |
