Collapsible shade frame

Abstract

A shade frame includes a top frame and a leg assembly. The top frame includes a central coupler, a plurality of corner coupler, a plurality of supporting rods, and a plurality of connecting rods. The central coupler includes a cruciform body having four arms. Each lower coupler includes a body having a central recess and two side recesses. Each connecting rod includes two ends that are respectively and pivotally mounted in two side recesses respectively of two adjacent corner couplers. Each supporting rod includes a first end pivotally connected to an associated arm of the central coupler. Each supporting rod further includes a second end pivotally mounted in the central recess of an associated corner coupler. The leg assembly includes a plurality of legs each having an upper end releasably connected to an associated corner coupler.

1 . A shade frame comprising: 
 a top frame comprising a central coupler, a plurality of corner coupler, a plurality of supporting rods, and a plurality of connecting rods; and    a leg assembly comprising a plurality of legs;    the central coupler including a cruciform body having four arms, each said arm including a groove in an underside thereof;    each said lower coupler comprising a body including a central recess and two side recesses, a coupling section extending downward from the body and includes a groove in an underside thereof;    each said connecting rod including two ends that are respectively and pivotally mounted in two of said side recesses respectively of two adjacent corner couplers;    each said supporting rod including a first end pivotally mounted in the groove of an associated one of the arms of the central coupler, each said supporting rod further including a second end pivotally mounted in the central recess of an associated one of the corner couplers;    each said leg including an upper end releasably engaged in the groove of the body of an associated one of the corner couplers.    
   
   
       2 . The shade frame as claimed in  claim 1 , wherein each said connecting rod includes a first section and a second section releasably engaged with the first section.  
   
   
       3 . The shade frame as claimed in  claim 1 , wherein each said leg includes an upper section and a lower section releasably engaged with the upper section.