| 摘要 |
An automatic cover for universal serial bus (USB) port that opens and closes automatically when a USB plug is inserted and removed from the USB port. The automatic sliding door for a universal serial bus comprises a top door (1), a biasing means (2) to urge the top door (1) downward, a bottom door (3), a biasing means (4) to urge the bottom door (3) upward, and a support structure (5) to which the top door (1) and the bottom door (3) are pivotally affixed. The top door (1) and bottom door (3) opens automatically upon insertion of a USB plug. When the USB plug is removed, the top door (1) and bottom door (3) closes automatically. |
