Google has patented a foldable smartphone with a 'multi-axis hinge mechanism'. The proposed design resembles one pioneered by Samsung with its Galaxy Z Fold series, fuelling speculation that Google is preparing to release its first foldable smartphone.
https://www.notebookcheck.net/The-Google-Pixel-Fold-may-share-the-same-120-Hz-OLED-display-as-the-Galaxy-Z-Fold3-but-with-a-multi-axis-hinge-mechanism.568938.0.html