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.

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 is of a one-piece construction. 
     
     
         7 - 10 . (canceled) 
     
     
         11 . The umbrella dolly according to  claim 2 , wherein the central support platform includes a series of anchoring members for engagement with the retention assembly. 
     
     
         12 . The umbrella dolly according to  claim 11 , wherein each of the anchoring members includes an upper surface and a lower surface, wherein the upper and lower surfaces are connected by an interior side wall and an exterior side wall. 
     
     
         13 - 16 . (canceled) 
     
     
         17 . 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. 
     
     
         18 . The umbrella dolly according to  claim 17 , wherein the collar member is annular and includes an inner surface that directly engages the pole of the umbrella and an outer surface facing away from the pole of the umbrella. 
     
     
         19 - 20 . (canceled)