Tool box having expandable drawers

Special receptacle or package – Convertible to or from display configuration – Terraced or stepped shelves

Reexamination Certificate

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Details

C206S372000, C206S049000

Reexamination Certificate

active

06832689

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to a tool box having a plurality of boxes which are connected by links and symmetrically located on a base so that the boxes can be expandable simultaneously.
BACKGROUND OF THE INVENTION
A conventional tool box generally includes a base and a cover which is pivotably connected to the base. The cover can be opened from the base and tools and accessories are received in the base and the cover. In order to accommodate more parts in one tool box, drawer type tool boxes are developed and includes multiple drawers each may receive tools and accessories. Nevertheless, the drawers have to pulled out one by one and the lower one is hide by the upper one so that the user cannot see the tools in the lower drawer.
The present invention intends to provide a tool box that includes multiple boxes which can be expanded simultaneously so that the users may see clearly the contents in the boxes.
SUMMARY OF THE INVENTION
In accordance with one aspect of the present invention, there is provided a tool box which comprises a base with an open top and two sets of boxes are located symmetrically above the base. Each set of boxes includes two boxes and each box has an open top. A cover is pivotably connected to the open top of each of the top most boxes of the two sets of boxes. Two sets of links are respectively connected to one side of the base and the two sets of boxes. Each set of links includes a long link and two short links which are located on two sides of the long link. The long link is pivotably connected to the base and the two boxes at three pivot points. One of the short links is pivotably connected between the base and the box rested on the base. The other short link is pivotably connected between the two boxes.
The present invention will become more obvious from the following description when taken in connection with the accompanying drawings which show, for purposes of illustration only, a preferred embodiment in accordance with the present invention.


REFERENCES:
patent: 1667938 (1928-05-01), Labadie et al.
patent: 2347270 (1944-04-01), Larsson
patent: D153828 (1949-05-01), Settle
patent: 3600840 (1971-08-01), Meyer
patent: 4782619 (1988-11-01), Richards
patent: 5611170 (1997-03-01), McGuff et al.

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