Patent ID: 6520365
Filing Date: 2003-02-18
Classification: A45C,B65D,D06F,Y10S

Abstract:
A collapsible container, comprising:a cylindrical sidewall formed of a flexible material, the sidewall having an upper end adjacent a top of the container and a lower end adjacent a bottom of the container; a coil spring biasing the container to an expanded configuration, the coil spring having a top coil adjacent the top of the container and a bottom coil adjacent the bottom of the container; a durable bottom shell affixed to the bottom of the container, the bottom shell including a plate-like central portion having an outer periphery underlying the bottom coil, and a substantially rigid horizontally extending member coupled to the bottom shell and overlying an apex of the bottom coil to vertically capture and clamp the bottom coil between the outer periphery of the bottom shell and the horizontally extending member.