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This invention describes a robot hand that uses fewer motors to move its fingers than typical designs. It achieves complex finger movements by linking multiple finger joints together with power transmission members, like cables, and controlling their bending angles using torque limiters. The claims specifically detail a finger with three segments, connected by joints that include pulleys, and a housing.
Why it matters: Filed before significant advancements in compact, high-torque-density actuators and advanced manufacturing techniques. These developments could now simplify the realization of the complex mechanical linkages and torque limiters, making the goal of fine control with fewer actuators more achievable and cost-effective.
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