Compact exoskeleton arm support device to compensate for gravity

This invention describes a wearable device that supports a person's arm, making it feel lighter by counteracting gravity. It's an exoskeleton with several joints, specifically designed with one joint for rotating the entire arm side-to-side, and two more joints for rotating the forearm side-to-side and up-and-down. Sensors detect the arm's weight and any objects it's holding, then use this information to power motors that assist the arm's movement.

Why it matters: Since 2010, advancements in compact, efficient actuators and high-density batteries have made such portable, powered exoskeletons more practical. Improved sensor technology and embedded control systems also allow for more precise and responsive assistance.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: ModerateActuators, load sensors, custom joints, control logic

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