Bag with an elastic exterior pocket

Abstract

A carrying bag comprises an exterior pocket which includes a back wall, a front wall, an elastic side wall and a zipper assembly. At least the lower half portion of the peripheral of the back wall is seamed with the back edge of the elastic side wall. At least the lower half portion of the peripheral of the front wall is seamed with the front edge of the elastic side wall. The zipper assembly encircles the back wall and the front wall. When the zipper assembly is completely unlocked, the thickness of the exterior pocket is resiliently expandable to accommodate articles of various thicknesses, including an ordinary drink bottle.

1 . A bag with an elastic exterior pocket, comprising an exterior pocket; said exterior pocket comprising a back wall, a front wall, an elastic side wall and a zipper assembly; said zipper assembly comprising a back half strip, a front half strip and a pull tab;
 at least the lower half portion of the peripheral of said back wall being seamed with the back edge of said elastic side wall and at least the lower half portion of the peripheral of said front wall being seamed with the front edge of said elastic side wall;   wherein said back half strip, excluding the starting portion thereof, encircles said back wall and is seamed with the peripheral of said back wall with the end portion of said back half strip laterally overlapping the starting portion thereof; and   said front half strip, excluding the starting portion thereof, encircles said front wall and is seamed with the peripheral of said front wall with the end portion of said front half strip laterally overlapping the starting portion thereof.   
     
     
         2 . The bag with an elastic exterior pocket of  claim 1 , wherein the starting portion of said back half strip and the starting portion of said front half strip are jointly fixed on an end of said elastic side wall