US Patent 7168559 Toolbox

A toolbox includes a body, a first holder pivotally connected with the body between a lie-down position and a stick-out position, a first elastic element for biasing the first holder to the stick-out position, a first lock for locking the first holder in the lie-down position, a second holder pivotally connected with the body between a lie-down position and a stick-out position, a second elastic element for biasing the second holder to the stick-out position, and a second lock for locking the second holder in the lie-down position.