US Patent 12127650 Case for a mobile device floating magnetic attachment feature

A protective case for a mobile device. A housing defines a recess to receive the mobile device. At least one chassis resides within one or a plurality of voids in the housing. Each chassis holds at least one permanent magnet contained within the chassis. The chassis are retained between a liner and a rim of the void. The chassis is/are biased to have an external surface substantially flush with an external surface of the housing when no external magnetic mass is present and can rise above the external surface when an external magnetic mass is present.