US Patent 12069827 Hinge assembly for controlled folding of an electronic device

A hinge assembly for an electronic device, the hinge assembly being moveable between an unfolded position and at least a first folded end position, and comprising a row of interconnected and abutting hinge blades and at least one linear actuator. The hinge blades are aligned in a common plane when the hinge assembly is in the unfolded position, each hinge blade being rotated relative neighboring hinge blades around a first hinge assembly rotation axis, when the hinge assembly is moved to the first folded end position. The linear actuator comprises a rotation shaft and a plurality of linear drive arrangements having different lengths. The rotation shaft extends in parallel with the first hinge assembly rotation axis and comprises sections having different diameters.