主权项 |
1. A toolbox system comprising a pickup truck, the pickup truck comprising a truck bed and two truck side walls, the tool box system further comprising a tool box installed on the truck bed, the toolbox comprising:
a box comprising five walls, the five walls comprising a floor and four side-walls rising vertically from the floor, the four side-walls defining an open top-end and the box defining a storage volume; a plurality of extension walls fitting within the box, each extension wall in the plurality of extension walls is joined together so as to be located adjacent to one of the four side-walls of the box; a spring-actuated detent for each of two of the extension walls in the plurality of extension walls, each spring-actuated detent mounted to an interior surface of one extension wall in the plurality of extension walls, each spring-actuated detent configured to automatically engage into a hole defined in one of the four side-walls of the box when the extension walls are in the lowered position, and each spring-actuated detent interconnected with the other and configured to be released simultaneously; a cover atop the extension walls, the cover hingedly attached to one of the extension walls so as to rotate between a closed position and an open position, when in the closed position the cover prevents access to the box, when in the open position there is access to the storage volume, and when the extension walls are in a lower position and the cover is in the closed position, the cover extends beyond the box and over the truck side walls; and a plurality of extensible guide rails, each extensible guide rail in the plurality of extensible guide rails comprises a fixed part and a sliding part, wherein the fixed part of each extensible guide rail in the plurality of extensible guide rails is mounted vertically in a fixed position on substantially opposing side-walls of the four side-walls of the box; wherein the sliding part is attached to the extension wall that is adjacent to the extensible guide rail so that a bottom of at least one extension wall in the plurality of extension walls can be moved vertically from the lowered position to an elevated position within the box. |