US Patent 11421867 Mobile device support base including power interfaces

A support base includes a connector hub having a top end, a bottom end spaced apart from the top end, and a chamber wall extending between the top and bottom ends. The chamber wall defines a chamber within the connector hub. A power interface set may be positioned in the chamber. The power interface set is dimensioned such that an annular support gap is formed between the power interface set and the chamber wall. A cover plate may be coupled to the top end of the connector hub.