| 摘要 |
The toolbox has a primary case, two add-on cases and four pivot pins. The primary case has a front casing and a rear housing. The rear casing has two pivoting sides, two locking hinges and multiple hinge barrels. The add-on cases are pivotally attached to the pivoting sides and each has a connecting casing and a pivoting housing. Each connecting casing is attached to one of the pivoting sides and each has multiple hinge barrels and a resilient clamp. Each pivoting casing is attached to the corresponding connecting casing oppositely to the rear casing and has a locking hinge, multiple hinge barrels and a slice. The pivot pins are separately pass through the locking hinges and the corresponding hinge barrels of the rear housing, the corresponding hinge barrels of the connecting casing and the locking hinges and the corresponding hinge barrels of the pivoting housing.
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