Umbrella dolly

Abstract

An umbrella dolly for use with a cantilever umbrella includes a platform assembly and a retention assembly constructed to extend between the platform assembly and the umbrella. The retention assembly provides additional support and ensures that the umbrella and platform assembly are securely connected to enhance stability of the umbrella as it sits upon the umbrella dolly.

The invention claimed is: 
     
         1 . An umbrella dolly for use with a cantilever umbrella, comprising:
 a platform assembly; and   a retention assembly constructed to extend between the platform assembly and the umbrella in a manner providing additional support and ensuring that the umbrella and platform assembly are securely connected to enhance stability of the umbrella as it sits upon the umbrella dolly.   
     
     
         2 . The umbrella dolly according to  claim 1 , wherein the platform assembly includes a central support platform. 
     
     
         3 . The umbrella dolly according to  claim 2 , wherein the central support platform includes a plurality of downwardly extending lockable caster wheels secured to the lower surface thereof. 
     
     
         4 . The umbrella dolly according to  claim 3 , wherein at least one nonlocking swivel caster wheel is secured to the lower surface of the central support platform. 
     
     
         5 . The umbrella dolly according to  claim 2 , wherein the central support platform includes an upper surface, a lower surface, and a sidewall extending between the upper surface and the lower surface. 
     
     
         6 . The umbrella dolly according to  claim 2 , wherein the central support platform includes a series of anchoring members for engagement with the retention assembly. 
     
     
         7 . The umbrella dolly according to  claim 1 , wherein the retention assembly includes a collar member shaped and dimensioned for secure attachment to an upwardly extending pole of the umbrella in an area adjacent to a base of the umbrella and the platform assembly. 
     
     
         8 . The umbrella dolly according to  claim 7 , wherein the retention assembly further includes a plurality of straps extending from an outer surface of the collar member. 
     
     
         9 . The umbrella dolly according to  claim 2 , wherein the central support platform comprises a plurality of a platform members held together by a plurality of anchoring members extending between adjacent platform members. 
     
     
         10 . The umbrella dolly according to  claim 9 , wherein each of the platform members includes an upper surface, a lower surface, and a sidewall extending between the upper surface and the lower surface. 
     
     
         11 . The umbrella dolly according to  claim 9 , wherein each of the platform members also includes a wide first end and a narrow second end with lateral edge members extending between the wide first end and the narrow second end. 
     
     
         12 . The umbrella dolly according to  claim 9 , wherein each of the platform members includes a first caster wheel secured to the lower surface thereof. 
     
     
         13 . The umbrella dolly according to  claim 9 , wherein the anchor members secure adjacent platform members together by extending between the lateral edge members. 
     
     
         14 . The umbrella dolly according to  claim 9 , wherein each of the platform members is constructed of molded plastic. 
     
     
         15 . The umbrella dolly according to  claim 9 , wherein each of the anchor members is constructed from molded plastic.