Patent attributes
A casing includes a base, a cover, and a locking unit. The base has a top opening. The cover is coupled pivotally to the base, and is pivotable relative to the base from an opened position to a closed position, where the cover covers the top opening of the base. The locking unit includes a locking mechanism for retaining selectively the cover in the closed position. The locking mechanism includes a locking protrusion formed on the cover, a receiving groove formed on the cover around the locking protrusion, and a handle that is coupled pivotally to the base. The handle is pivotable relative to the base from an unlocking position to a locking position, where the handle is received in the receiving groove and engages the locking protrusion when the cover is disposed at the closed position.
