Abstract:
An improved structure of display racks is provided. The main mechanical construction of this new design contains main beams, movable flanged connecting sockets, diagonal support beams, and accessories. It facilitates a display rack of desired size, shape, height, with easy installation of face plate to provide a flexible, versatile, and easy to assemble display racks.

Description:
BACKGROUND OF THE INVENTION  
       [0001]     (a) Technical Field of the Invention  
         [0002]     The present invention generally relates to display racks that are to be assembled on the field, and more particularly to a flexible, highly efficient, and easy to assemble display rack structure used in show room or exhibition hall.  
         [0003]     (b) Description of the Prior Art  
         [0004]     Many businesses in their show rooms and/or exhibition halls use temporary structures such as display racks and/or frames for their mobility and functionality. These structures are designed for easy assembly to achieve flexibility and convenience in transportation and storage.  
         [0005]     Most of these designs use a few basic types of beams that can be put together easily. To obtain the necessary strength of the finished structure, the construction is usually consisted of two or more main beams connected with several connecting or supporting beams in between. The disadvantages of prior arts are:  
         [0006]     First, traditionally these supporting beams are welded together. Although welding makes a strong connection, the bulky structure makes them difficult to transport and store.  
         [0007]     Secondly, to meet different configuration and strength requirements, many types and sizes of beams are needed resulting in cumbersome stocking and material management operation.  
         [0008]     Thirdly, to avoid the problems created by welding connection, some manufacturers also provide screws and bolts type of connections which use ball-shaped connectors to put together extension beams. This type of structure has the advantage of easy assembly but at the expense of labor extensive and time consuming operations in the field. Again, it has the disadvantage of stocking many types of beams to meet different configuration requirements.  
         [0009]     Fourthly, on top of these, the prior arts use screws and press-fit gadgets to fasten face-plates for marking and description of goods displayed onto the displaying racks. These steps are also labor extensive and time consuming.  
         [0010]     Therefore, there is indeed a need for simplified structure that can provide flexible rack configuration, convenient assembling method, and easy attachment of accessories such as face-plates. This invention offers an innovated design meets all these desired features.  
       SUMMARY OF THE INVENTION  
       [0011]     The primary purpose of the present invention is to provide an improved structure of assembled display rack construction. In this invention, the main mechanical structure comprises two or more main beams with pre-defined length, embedded connecting sockets movable vertically on the main beam, diagonal support beams to be installed on the main beams using the connecting sockets, and other required accessories.  
         [0012]     The main design feature of this invention is that the connecting socket has U-shaped slots formed by built-in parallel flanges for installation of the diagonal support beams and face-plates required.  
         [0013]     From the description of the mechanical structure and associated operational characteristics, the present innovative design provides flexibility in the number of and space between main beams as well as means of adding support beams and face-plates. This invention has the additional advantage of adding extension sockets at the end of each main beam, so the structure can be repeated to fill the required space and display need.  
         [0014]     The foregoing and other objects, features, aspects and advantages of the present invention will become better understood from a careful reading of a detailed description provided herein below with appropriate reference to the accompanying drawings.  
         [0015]     The foregoing object and summary provide only a brief introduction to the present invention. To fully appreciate these and other objects of the present invention as well as the invention itself, all of which will become apparent to those skilled in the art, the following detailed description of the invention and the claims should be read in conjunction with the accompanying drawings. Throughout the specification and drawings identical reference numerals refer to identical or similar parts.  
         [0016]     Many other advantages and features of the present invention will become manifest to those versed in the art upon making reference to the detailed description and the accompanying sheets of drawings in which a preferred structural embodiment incorporating the principles of the present invention is shown by way of illustrative example.  
     
    
     BRIEF DESCRIPTION OF THE DRAWINGS  
       [0017]      FIG. 1  is a three-dimensional sectional view of the present invention.  
         [0018]      FIG. 2  is a view showing expanded assembly of the present invention.  
         [0019]      FIG. 3  is a view showing the present invention in closed position.  
         [0020]      FIG. 4  is a sectional view showing partial structure of the embodiment of the present invention.  
         [0021]      FIG. 5  is a view showing the assembling of face plates of the present invention.  
         [0022]      FIG. 6  is a view showing after the assembly of face plates of the present invention.  
         [0023]      FIG. 7  is a view showing the assembly of expanded main beams of the present invention.  
         [0024]      FIG. 8  is a view showing the insallation of two sets of diagonal support beams on the same connecting socket of the present invention.  
         [0025]      FIG. 9  is a view showing the present invention in the configuration of two sets of main beams with support beams attached.  
         [0026]      FIG. 10  is a second view showing the present invention in the configuration of two sets of main beams with support beams attached.  
         [0027]      FIG. 11  is a three dimensional view showing a fully assembled embodiment of the present invention.  
         [0028]      FIG. 12  is a view showing how two face plates are assembled together in the present invention.  
     
    
     DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS  
       [0029]     The following descriptions are of exemplary embodiments only, and are not intended to limit the scope, applicability or configuration of the invention in any way. Rather, the following description provides a convenient illustration for implementing exemplary embodiments of the invention. Various changes to the described embodiments may be made in the function and arrangement of the elements described without departing from the scope of the invention as set forth in the appended claims.  
         [0030]     In the following, detailed description along with the accompanied drawings explains fully the preferred embodiments of the present invention.  
         [0031]     As shown in  FIG. 1 , this invention is a beam structure for assembled display rack. The embodiment of the present invention comprises main beams  101 , connecting sockets  201 , and diagonal support beams  301 . The embodiment will take at least two main beams which are shallow cylinder with pre-defined length, several connecting sockets, and a number of diagonal support beams as required. The diagonal support beam  301  is a set of two beams fastened at the center using a pivotal connection, so the two beams can be in either an open or a close configuration. The connecting socket  201  has an insertion hole  202  in the center of its body, so the main beam  101  can be put through the insertion hole, and the socket  201  can be moved vertically along the main beam  101  for the suitable location. The connecting socket  201  also has a fastening hole  203  used to attach the connecting socket  201  firmly at the desired location on the main beam. Four flanges  204  on the connecting socket form three U-shape slots  205 .  
         [0032]      FIG. 1  and  FIG. 3  show how the diagonal support beams  301  are installed on the flanges with the fastening bolt  302  inside the U-shape slot  205 . The main beams  101  are inserted into the connecting socket  201  and fastened with blind rivets  206 . This completes the basic structure of the present embodiment.  FIG. 2  and  FIG. 3  demonstrate the assembled main beams  101  can be put in a closed narrow structure as a result of the pivotal connecting construction of the diagonal support beams  301  for transportation and storage. In actual application, the user can open the two diagonal support beams  301  to place the main beams  101  at desired spacing. As shown in  FIG. 2  and  FIG. 7 , user can add the basic constructions in both horizontal and vertical direction with fastening bolt  102  and threaded insert  103  attached to the end of the main beam  101 . Or as shown in  FIG. 4  and  FIG. 8 , the main beam  101  can also be added in desired angle using a ball-shaped extension socket  401 .  
         [0033]     As shown in  FIG. 1  and  FIG. 8 , flanges  204  and U-shape slots  205  on connecting sockets  201  can accommodate installation of several sets of the diagonal support beams  301  on one main beam  101 , thereby increase the strength of the structure.  
         [0034]     The flexibility of this new embodiment described herein offers triangular as well as rectangular shaped construction as shown in  FIG. 9  and  FIG. 10  respectively.  
         [0035]     As shown in  FIG. 5 ,  FIG. 6 , and  FIG. 11 , the face plates  501  can be installed between two main beams  101  using the U-shape slots  205  on the connecting socket  201 . By suitable spacing of two opposite main beams, the structure itself provides force necessary to hold the inserted face plate in place.  
         [0036]     Finally as shown in  FIG. 12 , the U-shape slots  205  formed by flanges  204  on the connecting socket  201  can provide connections for both diagonal support beams  301  and face plates  501  onto the main beams  101 . The face plates  501  also reinforce the structural stability and strength of the display rack assembled.  
         [0037]     It will be understood that each of the elements described above, or two or more together may also find a useful application in other types of methods differing from the type described above.  
         [0038]     While certain novel features of this invention have been shown and described and are pointed out in the annexed claim, it is not intended to be limited to the details above, since it will be understood that various omissions, modifications, substitutions and changes in the forms and details of the device illustrated and in its operation can be made by those skilled in the art without departing in any way from the spirit of the present invention.