Patent ID: 11858573
Assignee: CONCEPTUAL INNOVATIONS, L.L.C.
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 7:
8. A steerable drive wheel assembly comprising:
an outer housing defining a sheltered interior space,
an intermediate suspension module disposed at least partially within said sheltered interior space of said outer housing,
a drive module disposed below said intermediate suspension module, said drive module including a first drive subassembly having a first wheel and a second drive subassembly having a second wheel, and first and second wheels supported in side-by-side orientation for independent rotation about a common horizontal axis,
a rotary bearing operatively disposed between said drive module and said intermediate suspension module for enabling rotational movement of said drive module relative to said intermediate suspension module about a generally vertical steering axis, and
a serpentine energy chain disposed generally co-planar with said rotary bearing, wherein said serpentine energy chain is located entirely outside of said rotary bearing.