摘要 |
A movable lug and an assistance device cooperated with the movable lug so as to replace the equipment from the rear end of the rack and avoid from being interfered by cables of other equipments. The movable lug includes a first hinge and a second hinge. The movable lug is moved inward to yield the path when replacing the equipment so that the equipment is removed and not interfered by cables of other equipments. The assistance device makes the action of the replacement of the equipment be more smooth. |