| 摘要 |
PURPOSE: A door frame for wheelchairs is provided to allow a handicapped person in a wheelchair to freely move around in a house by easily passing over a door frame. CONSTITUTION: A door frame for wheelchairs is configured as follows. A spring device is installed in a portion of a door frame when manufacturing the door frame from plastic and recycled plastic. The spring device is variably moved so that the door frame becomes flush with the floor when a wheelchair passes over the door frame. |
