Foldable iPhone may use geared hinges to fold inwards or outwards

Apple is researching the use of geared hinges that would strengthen a foldable iPhone’s screen. These hinges could allow the iPhone to be folded both inwards like a book, and outwards to have a form of wraparound screen.
Detail from the patent showing geared hinges on a foldable display

Apple has previously applied for many patents about a foldable iPhone, ranging from slidable displays and scroll-like screens, to ones with articulated hinges. There are now so many that it’s surely certain that a foldable iPhone is coming — but also that these overlapping or conflicting research options can’t all be used.

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