Patent attributes
A tool box includes two pivoted halves, at least one of which has a chamber with a bottom and two opposite walls. Plural positioning units are disposed on the walls and each include a straight guide groove, a guide gap and a positioning cavity at two ends of the straight guide groove, a first pivot cavity located closer to the bottom than the positioning cavity, a second pivot cavity between the positioning cavity and a positioning cavity of a neighboring positioning unit, and an arc-shaped guide groove covering the first and second pivot cavities. The arc-shaped guide groove has two arc-shaped ends to connect the first pivot cavity and a straight guide groove of the neighboring positioning unit. The storage member has pivots pivotally disposed in the first pivot cavity and the positioning cavity, or in the first or second pivot cavity of the neighboring positioning unit.