Patent ID: 8651348

Claim:
A tool box comprising: a box body, two foldable sets and at least one positioning base, the box body having a top cover and a bottom cover which are pivoting on each other, each foldable set having a guiding plate, a sliding member and a pivoting rib, the guiding plate is assembled at a pivoting corner of the bottom cover, a guiding opening opened on the guiding plate therethrough and formed as arc-shaped, two ends of the positioning base respectively assembled to the two guiding plates, the sliding member located at one side of the guiding plate, at least one connecting rod extruded on the sliding member, the connecting rod passing through the guiding opening to connect to one end of the positioning base, the pivoting rib located at one side of the guiding plate and being adjacent to the sliding member, one end of the pivoting rib pivoted on the guiding plate at one side thereof and fixed to the top cover at another side thereof, another end of the pivoting rib being adjacent to the sliding member, the sliding member being movable via the motion of another end of the pivoting rib; wherein, when the top cover pivots on the bottom cover, the pivoting rib pivots on the guiding plate via the motion of the top cover; then the sliding member slides on the guiding plate via the motion of another end of the pivoting rib; thereafter the connecting rod of the sliding member moves along the guiding opening of the guiding plate; finally the positioning base is rotated outward relative to the bottom cover by the motion of the connecting rod.