US Patent 11099611 Synchronized expandable dual axle hinge and clutch

A portable information handling system housing rotationally couples first and second housing portions with a hinge assembly having first and second axles held in a parallel fixed lateral disposition and selectively engaging with a first or second gear assembly having a first or second gear ratio. A distance between the first and second axles varies based upon the selected gear assembly to adapt the information handling system to accept a keyboard between the first and second housings.