Patent ID: 8348057

Claim:
An anti-theft toolbox comprising: a lower frame having a first tighten surface and a first locking portion defined on a rear side of the lower frame, and the first locking portion having a first notch and a second tighten surface facing toward a bottom portion of the lower frame; an upper frame having a second locking portion and a third tighten surface defined on a rear side of the upper frame, the second locking portion and the first locking portion being latched together by a latch, the second locking portion having a second notch and a fourth tighten surface facing toward a top portion of the upper frame, and the second tighten surface and the fourth tighten surface facing opposite directions; and a locking element being one-piece molded by plastic injection comprising a first tighten mass, a second tighten mass, a groove and a plurality of binding portions, the groove formed across the first tighten mass and the second tighten mass, the binding portions employed to joint the first tighten mass and the second tighten mass on the bottom of the groove and having a hollow in-between every two adjacent binding portions, the first locking portion and the second locking portion located in the groove whose inner wall has a first flange and a second flange with their tips pointing to opposite directions, the first flange and the second flange being anchored in the first notch and the second notch respectively, the inner wall of the groove having a first anchor surface and a third anchor surface defined corresponding to each other, a second anchor surface and a fourth anchor surface respectively defined on the locking element beside two sides of the opening of the groove, the second anchor surface and the fourth anchor surface being turn direction with respect to the first anchor surface and the third anchor surface respectively, and the first anchor surface, the second anchor surface, the third anchor surface and the fourth anchor surface anchored against the second tighten surface, the first tighten surface, the fourth tighten surface and the third tighten surface respectively.