| 摘要 |
An expandable and collapsible cooler includes: a base defining a bottom portion of the cooler; an upper rim defining an upper portion of the cooler; and a cooler wall extending between the base and the upper rim and surrounding an interior storage space of the cooler. The cooler wall includes inner and outer collapsible walls each extending between and being attached to the base and the upper rim. Each collapsible wall includes flexible elastomeric membranes joined together by rigid portions, each membrane including a plurality of hinge lines at which the membrane is configured to bend such that the collapsible wall is transitional between a respective collapsed configuration and a respective expanded configuration by bending along the hinge lines.
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