Amazon patents idea of delivery drones with robotic wings and legs to help it land

Amazon has been awarded two patents in which it outlines propellers with robotic adjustable wingtips and legs that act as landing gears to help drones touch down on uneven surfaces.

The e-commerce giant’s latest idea describes an “adjustable landing-gear extension” that can be extended or contracted. Amazon says “distance determining elements” would be able to judge how far the drone is from the ground. Sensors on the landing arm would be able to detect contact with the ground and adjust so that the drone is horizontal and not tilted.

This technology could be key if drones deliver fragile packages on tough terrain.

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