US Patent 8465031 Modular beach cart system

Exemplary embodiments of the rack device allow the carrying capacity of a cart system to be selectively expanded to increase the carrying capacity. The rack device increases the carrying capacity of existing carts with limited capacity by piggybacking a rack onto the existing cart to cradle in bracket members large bulky beach items such as surfboard and kayaks on the side of, on top of or outside of the existing cart. A cart system is also provided. The cart system selectively expands the capacity of the cart system with bracket members to cradle large bulky beach items.