III. BACKGROUND ART Metallic cabinets have been design and built for many years. They require to be built off-site after taking the measurements of the installation site. The present invention obviates these shortcomings and permits a user to assemble standard panel members without requiring the use of fastening members. None of the metal cabinet systems found in the prior art have the features of the claimed invention.

IV. SUMMARY OF THE INVENTION It is one of the main objects of the present invention to provide a system for building metallic cabinets without using any fastening members.

It is another object of this invention to provide such a system for building the cabinets and the installation site.

It is still another object of the present invention to provide a system that reduces the manufacturing, inventory, storage and transportation logistics by using only two punching dice to manufacture the required standard panels.

It is yet another object of this invention to provide such a device that is inexpensive to manufacture and maintain while retaining its effectiveness.

Further objects of the invention will be brought out in the following part of the specification, wherein detailed description is for the purpose of fully disclosing the invention without placing limitations thereon.

V. BRIEF DESCRIPTION OF THE DRAWINGS With the above and other related objects in view, the invention consists in the details of construction and combination of parts as will be more fully understood from the following description, when read in conjunction with the accompanying drawings in which: Figure 1 is an isometric representation of one embodiment for the present invention.

Figure 2 shows an inclined view of one of the corners of the invention showing the locking mechanism on each of the corners.

Figure 3 shows a partial cross-sectional side elevational view of one of the corners of the present invention showing the manner in which it is aligned for installation.

Figure 4 shows the corner shown in the previous figure with the locking mechanism in place.

Figure 5 is an isometric representation of one of the embodiments with a closure member hingedly mounted thereon and a shelf within the cabinet space.

Figure 6 is a partial cross-sectional side elevational view of the lower corners of the frame member engaged to the bottom spacer member.

VI. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Referring now to the drawings, where the present invention is generally referred to with numeral 10, it can be observed that it basically includes vertical frame members 20 and 20', two horizontal spacer members 40, and one spacer member 50 with bottom panel 59. Frame members 20 and 20'have a substantially rectangular shape and define the sides of the cabinet. To build a basic cabinet compartment, members 20 and 20'are held at a spaced apart and parallel relationship with respect to each other by two members 40, one for each of the top corners and one spacer member 50 in interlock engagement to form a cabinet compartment. Panels 25 and 27 have a rectangular shape and are mounted at a parallel and spaced apart relationship to each other to define the width of the cabinet. Front closure assembly 80 is optional.

Another option is to have drawer 90 mounted within the cabinet compartment. Additionally or alternatively, shelf assemblies 100 can be removably mounted within the compartment.

Vertical frame members 20 (and 20') include, at each corner, locking mechanism 30 that includes openings 31; 32; 33; 34 and 35, as seen in figures 1 and 2. Openings 31; 32 and 33 are positioned on one end of horizontal structural member 21 (and also horizontal structural member 22), and the other end includes openings 34 and 35. Vertical structural member 23 includes openings 34 and 35 at both ends. Vertical structural member 24 includes openings 31; 32 and 33 at both ends. Panels 25 and 27 are mounted to the internal sides of members 21; 22; 23 and 24.

Horizontal spacer members 40 include elongated walls 41 and 42, perpendicularly and longitudinally disposed with respect to each other and each having two ends. Wall 41 includes bendable tabs 43, at a predetermined and relatively small distance from the ends, that extend perpendicularly from the distal edge of wall 41 and parallel to wall 42.

Walls 42 include, at each end, cutouts 45 positioned at a predetermined distance from the vertex or union of walls 41 and 42. Cut out 45 includes bendable tab 44, at a predetermined and relatively small distance from the end of wall 42. Edge 47 extends longitudinally beyond cutout 45. Tab 49 extends perpendicularly from edge 47.

The orientation of the openings 31 through 35 of locking mechanism 30 on each corner is such that they cooperate with tabs 43,44, and 49 to lock members 40 to members 20. As seen in figures 2; 3 and 4, locking mechanism 30 for the top corners of frame assembly 20 requires the insertion of tabs 43; 44 and 49 in openings 35; 33 and 31, respectively. First, tab 43 is inserted through opening 35, as shown in figure 3, and tab 49 is bent slightly outwardly to permit its insertion it through opening 31. Then, as seen in figure 4, all tabs are bent inwardly against the inner surface of the members comprising frame assembly 20.

Similarly, bottom spacer member 50 includes elongated walls 51 and 51'each one perpendicular to bottom 59 and joined at an elongated vertex or union. Walls 51 and 51'extend a predetermined distance beyond the width of bottom 59 where tabs 54 and 54'are formed, adjacent to the vertex and extending perpendicularly with respect to walls 51 and 51' respectively. Elongated walls 52 and 52'extend longitudinally and perpendicularly with respect to wall 51 and 51'and each one has a distal longitudinal edge with two ends. Each of these ends includes one tab 53 (or 53') that extends therefrom. Tabs 53 and 54 are cooperatively positioned to coincide with openings 33'and 35', as seen in figures 1 and 6.

With respect to tabs 53'and 54', it can be seen from figure 6 how they are installed. Tab 54'is straightened out so that wall 51'can be placed, at one end, next to the outer surface of member 24. Once it is positioned, tabs 53'and 54'are bent through openings 34'and 32', respectively.

The foregoing description conveys the best understanding of the objectives and advantages of the present invention. Different embodiments may be made of the inventive concept of this invention. It is to be understood that all matter disclosed herein is to be interpreted merely as illustrative, and not in a limiting sense.

VII. INDUSTRIAL APPLICABILITY It is apparent from the previous paragraphs that an improvement of the type for such a cabinet system is quite desirable because permits a user to assemble standard panel members without requiring the use of fastening members.