Patent 10569627 was granted and assigned to Nabtesco Corporation on February, 2020 by the United States Patent and Trademark Office.
A door seal includes: a first seal mechanism including a first seal portion provided at an end of a door and a second seal portion configured to contact the first seal portion when the door is closed; and a second seal mechanism including a third seal portion provided at the end of the door and a fourth seal portion configured to contact the third seal portion when the door is closed. The third seal portion and the first seal portion are arranged at different locations along a thickness direction of the door.