A cooler includes a main body which includes a base, an upper rim, and one or more cooler walls extending therebetween. The cooler in some embodiments further includes a removable wheel assembly which includes two coaxial wheels, and an axle. The two coaxial wheels are removably securable to the axl
A cooler includes a main body which includes a base, an upper rim, and one or more cooler walls extending therebetween. The cooler in some embodiments further includes a removable wheel assembly which includes two coaxial wheels, and an axle. The two coaxial wheels are removably securable to the axle. The cooler still further comprises a wheel fastening system configured to secure the removable wheel assembly to the base of the main body which includes a mount, a clip hingedly connected to the mount, and a locking clasp configured to lock the clip into a closed position to secure the wheel assembly. The cooler yet further comprises a lid including two wheel storage recesses, each being sized and dimensioned to receive and retain one of the coaxial wheel of the wheel assembly, and an axle storage recess sized and dimensioned to receive and retain the axle of the wheel assembly.
대표청구항▼
1. A single-walled expandable and collapsible cooler, comprising: (a) a base defining a bottom portion of the cooler; (b) an upper rim defining an upper portion of the cooler; and (c) a collapsible cooler wall extending between and attached to said base and said upper rim and surrounding an interior
1. A single-walled expandable and collapsible cooler, comprising: (a) a base defining a bottom portion of the cooler; (b) an upper rim defining an upper portion of the cooler; and (c) a collapsible cooler wall extending between and attached to said base and said upper rim and surrounding an interior storage space of the cooler, the cooler wall comprising a flexible elastomeric membrane that includes a plurality of hinge lines at which the membrane is configured to bend such that the membrane is transitional between a collapsed configuration and an expanded configuration; (d) wherein the cooler is transitional between different stable configurations of the cooler by bending of the membrane along said hinge lines comprising, (i) an expanded configuration for use of the cooler, (ii) a collapsed configuration during nonuse of the cooler, (iii) a first partially expanded configuration for use of the cooler, the interior storage space of the cooler when the cooler wall is in the first partially expanded configuration being greater than the interior storage space of the cooler when the cooler wall is in the collapsed configuration, but being less than the interior storage space of the cooler when the cooler wall is in the expanded configuration, and (iv) a second partially expanded configuration for use of the cooler, the interior storage space of the cooler when the cooler wall is in the second partially expanded configuration being greater than the interior storage space of the cooler when the cooler wall is in the first partially expanded configuration, but being less than the interior storage space of the cooler when the cooler wall is in the expanded configuration; and (e) wherein the membrane comprises an outer surface located on the exterior of the cooler and an inner surface located in the interior storage space of the cooler; (f) wherein the membrane defines the interior storage space of the cooler. 2. The cooler of claim 1, wherein membrane comprises peripheral portions that nest within each other when the membrane is in the collapsed configuration. 3. The cooler of claim 2, wherein the nested peripheral portions are generally arranged in a common plane. 4. The cooler of claim 1, wherein the membrane tapers outwardly in extending from the upper rim to the base, and wherein the periphery of the membrane proximate the upper rim is greater than the periphery of the membrane proximate the base. 5. The cooler of claim 1, wherein the membrane tapers inwardly in extending from the upper rim to the base, and wherein the periphery of the membrane proximate the upper rim is less than the periphery of the membrane proximate the base. 6. The cooler of claim 1, wherein the membrane tapers inwardly in extending from the upper rim, the membrane tapers inwardly in extending from the base, and a middle section of the membrane includes a periphery that is less than either of the periphery of the membrane proximate the upper rim and the periphery of the membrane proximate the base. 7. A single-walled expandable and collapsible cooler, comprising: (a) a base defining a bottom portion of the cooler; (b) an upper rim defining an upper portion of the cooler; and (c) a collapsible cooler wall extending between and attached to said base and said upper rim and surrounding an interior storage space of the cooler, the cooler wall comprising a flexible elastomeric membrane formed from silicone rubber that includes a plurality of hinge lines at which the membrane is configured to bend such that the membrane is transitional between a collapsed configuration and an expanded configuration, each hinge line of the plurality of hinge lines being generally less thick than other portions of the membrane; (d) wherein the cooler is transitional between an expanded configuration for use of the cooler, and a collapsed configuration during nonuse of the cooler, by bending of the membrane of the cooler wall along the hinge lines, each of the configurations being a stable configuration of the cooler; and (e) wherein the membrane comprises an outer surface located on the exterior of the cooler and an inner surface located in the interior storage space of the cooler; (f) wherein the membrane defines the interior storage space of the cooler. 8. The cooler of claim 7, wherein the membrane tapers outwardly in extending from the upper rim to the base, and wherein the periphery of the membrane proximate the upper rim is greater than the periphery of the membrane proximate the base. 9. The cooler of claim 7, wherein the membrane tapers inwardly in extending from the upper rim to the base, and wherein the periphery of the membrane proximate the upper rim is less than the periphery of the membrane proximate the base. 10. The cooler of claim 7, wherein the membrane tapers inwardly in extending from the upper rim, the membrane tapers inwardly in extending from the base, and a middle section of the membrane includes a periphery that is less than either of the periphery of the membrane proximate the upper rim and the periphery of the membrane proximate the base. 11. The cooler of claim 7, wherein membrane comprises peripheral portions that nest within each other when the membrane is in the collapsed configuration. 12. A single-walled expandable and collapsible cooler, comprising: (a) a base defining a bottom portion of the cooler; (b) an upper rim defining an upper portion of the cooler; and (c) a collapsible cooler wall extending between and attached to said base and said upper rim and surrounding an interior storage space of the cooler, the cooler wall comprising a flexible elastomeric membrane formed from silicone rubber that includes a plurality of hinge lines at which the membrane is configured to bend such that the membrane is transitional between a collapsed configuration and an expanded configuration, each hinge line of the plurality of hinge lines being generally less thick than other portions of the membrane; (d) wherein the cooler is transitional between an expanded configuration for use of the cooler, and a collapsed configuration during nonuse of the cooler, by bending of the membrane of the cooler wall along the hinge lines, each of the configurations being a stable configuration of the cooler; and (e) wherein the membrane comprises an outer surface located on the exterior of the cooler and an inner surface located in the interior storage space of the cooler; (f) wherein the membrane defines the interior storage space of the cooler. 13. The cooler of claim 12, wherein the membrane tapers in extending from the upper rim to the base, and wherein the periphery of the membrane proximate the upper rim is greater than the periphery of the membrane proximate the base. 14. The cooler of claim 12, wherein the membrane tapers in extending from the upper rim to the base, and wherein the periphery of the membrane proximate the upper rim is less than the periphery of the membrane proximate the base. 15. The cooler of claim 12, wherein the membrane tapers one way in extending from the upper rim, the membrane tapers another way in extending from the base, and a middle section of the membrane includes a periphery that is less than either of the periphery of the membrane proximate the upper rim and the periphery of the membrane proximate the base.
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