Strap down beverage holder

Abstract

An insulated beverage container holder with a cover for protecting the opened beverage container from contamination from splashed water, dust, or other environmental contamination. The beverage holder has a strap which allows the beverage holder to be strapped to the frame of a raft or similar structure on bikes, canoes, kayaks, hot air balloons, and other structures.

What is claimed is: 
     
         1 . A beverage holder for holding a container of beverage while preventing external contamination, comprising:
 a cylindrical lower container body, with an insulated sidewall and a circular base, said lower container body further comprising a base plate with an attached securing strap;   a cylindrical upper container body, with an insulated sidewall and a circular top, and upper container body further comprising an attachment cord with a first end and second end, with said first end attached to said upper container body and with said second end attached to said lower container body;   wherein said securing strap is configured for attaching said beverage holder to an object such as a raft, and said beverage holder closes off said container of beverage from external contamination such as from river water, while providing insulation from heat transfer.   
     
     
         2 . The beverage holder of  claim 1  in which said upper container body further comprises an air vent which allows air to be expelled out of said holder, while preventing liquid from entering said beverage holder. 
     
     
         3 . The beverage holder of  claim 1  in which said base plate comprises slots for passage of said securing strap. 
     
     
         4 . The beverage holder of  claim 1  in which said securing strap is riveted to said base plate. 
     
     
         5 . The beverage holder of  claim 1  which further comprises two attachment cords connecting said upper and lower container bodies. 
     
     
         6 . The beverage holder of  claim 1  in which said base plate further comprises a mounting contour, in which a V shape is defined of a resilient material, for mounting said beverage holder to a smaller diameter tube.