Patent Publication Number: US-8539615-B1

Title: Shirt comprising protrusions on back side

Description:
The present invention relates to a shirt having removable protrusions, e.g., quills, on the back side of the shirt. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         FIG. 1  is a perspective view of the t-shirt of the present invention. 
         FIG. 2  is a top view of the t-shirt of the present invention. 
         FIG. 3  is a back view of the t-shirt of the present invention. 
         FIG. 4  is a side view of the t-shirt of the present invention. 
         FIG. 5  is a cross sectional side view of the quill and plug connected together onto the back of the t-shirt of the present invention. 
         FIG. 6  is a side view of the quill. 
         FIG. 7  is a side view of the plug connector. 
     
    
    
     DESCRIPTION OF PREFERRED EMBODIMENTS 
     The following is a listing of numbers corresponding to a particular element refer to herein:
           100  t-shirt     102  front side of t-shirt     104  back side of t-shirt     106  outer surface of the back side     108  inner surface of the back side     110  quill     500  plug     510  aperture     610  base end     620  female slot     630  pointy end     710  plug base     720  male protrusion       

     Referring now to  FIGS. 1-5 , the present invention features a t-shirt  100  comprising a front side  102  and a back side  104 . The back side  104  has an outer surface  106  and an inner surface  108 , where the back side  104  also has a plurality of apertures  510 . The t-shirt  100  further comprises a a set of quills  110 , wherein the quill  110  has a pointy end  630  and a base end  610 , and the base end  610  has a female slot  620 . The t-shirt further comprises a set of plugs  500  having a plug base  710  and a male protrusion  700 . 
     The male protrusion  700  of the plug  500  inserts through the aperture  510  of the back side  104  and the female slot  620  of the quill  110  snugly snaps over the male protrusion  700  to secure the quill  110  to the back side  104  of the t-shirt  100 . The plug base  710  is disposed on the inner surface of the back side  108  of the t-shirt  100  and the quill is disposed on the outer surface of the back side  106  of the t-shirt  100 . 
     In some embodiments, the quill  110  is constructed from a material comprising rubber. For example, the rubber can be soft, or it may be semi-rigid. In one embodiment, the quill  110  has a length approximately % to ½ inch long, and the female slot  620  of the quill  110  is approximately ⅛ th  inch depth. In some embodiments the circular diameter of the cross section of the female slot  620  is approximately ⅛ th  inch in diameter. In some embodiments, the circular base  610  of the quill  110  has a diameter of approximately 1 inch. 
     In some embodiments, the plug  500  is constructed from a material comprising a rigid material, and its circular base  710  has a diameter of approximately 1 inch. The rigid material appropriate for the plug  500  may comprise plastic or metal or some composite material containing such elements. The circular base  710  of the plug  500  has a male protrusion  720 , and in certain embodiments, the male protrusion  720  has a depth of slightly less than ⅛ th  inch, while the circular diameter of the cross section of the male protrusion  720  is slightly less than ⅛ th  inch. 
     In some embodiments, the t-shirt  100  is a garment comprising a cloth and has a back side  104  with multiple round apertures  510 . For example, the cloth of t-shirt  100  may comprise, but not be limited to, any flexible material such as cotton, silk, polyester or combinations of such materials. In certain embodiments, the apertures  510  in the back side  104  of the t-shirt  100  have a diameter of ⅛ th  inch long. 
     As used herein, the term “approximately” refers to plus or minus 10% of the referenced number. For example, an embodiment wherein the circular base of the quill  610  is approximately 1 inch diameter includes a circular base of the quill  610  that is between 0.5 and 1.5 inches in diameter. 
     Various modifications of the invention, in addition to those described herein, will be apparent to those skilled in the art from the foregoing description. Such modifications are also intended to fall within the scope of the appended claims. Each reference cited in the present application is incorporated herein by reference in its entirety. 
     Although there has been shown and described the preferred embodiment of the present invention, it will be readily apparent to those skilled in the art that modifications may be made thereto which do not exceed the scope of the appended claims. Therefore, the scope of the invention is only to be limited by the following claims.