A collapsible support structure includes a plurality of platform assemblies, a handle assembly, and an axle assembly. In use, the collapsible support structure may folded from a deployed position in which it rolls along a surface to transport items, to a stowed position, in which it is collapsed in a compact geometry for storage. The collapsible support structure includes at least one support member removably coupled to one of the platform assemblies.
Collapsible Support Structure
2019-08-22
Patent
Electronic Resource
English