Windproof umbrella

Abstract

The windproof umbrella of the present invention comprises a central shaft, telescoping ribs and a canopy, as well as an optional vent cap. The ribs comprise a base and a telescoping portion that result in a frame that is substantially windproof. Compared to the structure of a typical single rib, the telescoping nature of the ribs of the present invention provides a structure that is much stronger than a normal rib. The overall result is a windproof umbrella that is inexpensive to manufacture and easy to operate.

1 . A windproof umbrella comprising: 
 a central shaft;    a plurality of ribs extending from said central shaft;    a plurality of rib stays connected to said plurality of ribs; and    a canopy connected to said plurality of ribs.    
   
   
       2 . The windproof umbrella of  claim 1 , wherein each of said plurality of ribs further comprise a base rib and a telescoping rib.  
   
   
       3 . The windproof umbrella of  claim 2 , wherein said base rib and said telescoping rib include a telescoping relationship.  
   
   
       4 . The windproof umbrella of  claim 3 , wherein said telescoping relationship further comprises a spring.  
   
   
       5 . The windproof umbrella of  claim 4 , further comprising a plurality of forming ribs, whereby a desired shape is formed in the canopy.  
   
   
       6 . The windproof umbrella of  claim 5 , further comprising an open position and a closed position.  
   
   
       7 . The windproof umbrella of  claim 6 , further comprising a shaft collar, wherein said shaft collar is slidably connected to said central shaft.  
   
   
       8 . The windproof umbrella of  claim 7 , wherein said open position includes a top shaft collar position.  
   
   
       9 . The windproof umbrella of  claim 8 , further comprising a plurality of secondary stays attached to said plurality of ribs.  
   
   
       10 . The windproof umbrella of  claim 9 , wherein said secondary stay is attached to said telescoping rib.  
   
   
       11 . A windproof umbrella comprising: 
 a central shaft;    a plurality of ribs extending from said central shaft;    a plurality of rib stays connected to said plurality of ribs;    a canopy connected to said plurality of ribs; and    a vent cap located substantially in the center of said canopy.    
   
   
       12 . The windproof umbrella of  claim 11 , wherein each of said plurality of ribs further comprise a base rib and a telescoping rib.  
   
   
       13 . The windproof umbrella of  claim 12 , wherein said base rib and said telescoping rib include a telescoping relationship.  
   
   
       14 . The windproof umbrella of  claim 13 , wherein said telescoping relationship further comprises a spring.  
   
   
       15 . The windproof umbrella of  claim 14 , further comprising a plurality of forming ribs, whereby a desired shape is formed in the canopy.  
   
   
       16 . The windproof umbrella of  claim 15 , wherein said vent cap further comprises attached areas, wherein said attached areas are coextensive with said plurality of ribs.  
   
   
       17 . The windproof umbrella of  claim 15 , wherein said vent cap further comprises a vent base and a vent top, wherein said vent top overhangs said vent base.  
   
   
       18 . The windproof umbrella of  claim 17 , wherein said vent top is slidably related to said central shaft.  
   
   
       19 . A windproof umbrella comprising: 
 a central shaft;    a plurality of ribs extending from said central shaft;    a plurality of rib stays connected to said plurality of ribs, wherein each of said plurality of ribs further comprise a base rib and a telescoping rib, and wherein said base rib and said telescoping rib include a telescoping relationship, and wherein said telescoping relationship further comprises a spring;    a canopy connected to said plurality of ribs; and    a vent cap located substantially in the center of said canopy.    
   
   
       20 . The windproof umbrella of  claim 19 , wherein said vent cap further comprises a vent base and a vent top, wherein said vent top overhangs said vent base, and, wherein said vent top is slidably related to said central shaft.