Patent Publication Number: US-7722187-B2

Title: Fly-wing rotating lens eyeglasses

Description:
RELATED U.S. APPLICATION DATA 
   Provisional application No. 60/940,263, filed on May 25, 2007. 
   
     
       
         
             
           
             
                 
             
             
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   BACKGROUND OF THE INVENTION 
   The present invention relates to a spectacle frame with a pivoting mechanism connected to a lens hanger that allows the lenses to be rotated in a plane that keeps the lens in the same plane in the working state and the parked state. This has the advantage over traditional flip-away lens arrangements by not interfering with the wearer when working in close quarters, such as when using a microscope or making repairs where the flip-away lens devices would not be useable without removing them. While some people need to wear their glasses at all the time, others only need them for specific situations, such as reading or working on the computer. These individuals can find that they are constantly putting on and removing their frames, which is inconvenient and presents an opportunity for the frames to become misplaced or damaged. 
   BRIEF SUMMARY OF THE INVENTION 
   The present invention relates to eyeglasses and more particularly pertains to rotating lens eyeglasses for allowing exchange between standby and use without removing eyeglasses. 

   
     BRIEF DESCRIPTION OF THE DRAWINGS 
     The drawings illustrate the construction and operation presently contemplated for the present invention. 
       FIG. 1  is a view showing the rotating lens glasses in its standby state. 
       FIG. 2  is a view showing the first connecting portion. 
       FIG. 3  is a view showing the second connecting portion. 
       FIG. 4  is a view of the slipping axle, which may be either tubular or solid, as shown in more detail in  FIGS. 11A and 11B . 
       FIG. 5  is a view of two versions of the single flat spring used. 
       FIG. 6  illustrates the relation among  FIGS. 2 ,  3  and  4 . 
       FIG. 7  is a detail view of  FIGS. 2 through 5 , as  FIG. 6  with the spring. 
       FIG. 8  is a view of the screw. 
       FIG. 9  is a view showing the frame. 
       FIG. 10  is a view showing the rotating glasses in the working state. 
       FIGS. 11A and 11B  show two ways of the spring connection to the slipping axle. 
   

   DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS 
   The glasses shown in  FIG. 1  of the present invention are in the standby state. They are depicted in a position fixed lenses to the frame shown in  FIG. 9  and lenses connected by foldaway connecting portion which is shown in  FIG. 6  without spring and  FIG. 7  with spring. The foldaway connecting portion is comprised of a first connecting portion shown in  FIG. 2  and a second connecting portion shown in  FIG. 3 . The first connecting portion has five holes  1 - 3 , the second connecting portion has four holes  1 - 2  and a slipping slot  5 , the first connecting portion attaches to the second connecting portion by the slipping axle shown in  FIG. 4  in holes  3  and the slipping slot  4 , the foldaway connecting portion connects with the frame by the screws shown in  FIG. 8  through holes  2  and  9 . One end of the spring shown in  FIG. 5  is attached to the slipping axle in two different ways shown in  FIG. 11A  and  FIG. 11B , and the other end is attached to the end of the slipping slot  5 . The frame has two holes  9  whose distance is between 0.8 cm and 2.5 cm, depending on the desired angle of the lenses in the standby state. The first connecting portion and the second connecting portion has an angle in the standby state, the degree determined by the distance of the two holes of the frame and the distance of holes  3  and  2 , about 30-120 degrees. The glasses shown in  FIG. 10  are in working state. 
   SUMMARY 
   The descriptions in this document are applicable to a specific arrangement for achieving the desired objective, but do not preclude other variations in the mechanism to accomplish the function desired, which is to be able to park spectacle lenses above the operating position without removing them or otherwise having them go out of the plane of use. The benefit to the user is to conveniently keep the spectacles readily available when not in use, saving time and reducing the risk of loss or damage to the spectacles, as well as easily returning them to service.